<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with WebFilings-->
<linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ConsolidatedBalanceSheets" xlink:href="mcy-20120630.xsd#ConsolidatedBalanceSheets" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:href="mcy-20120630.xsd#ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ConsolidatedStatementsOfCashFlows" xlink:href="mcy-20120630.xsd#ConsolidatedStatementsOfCashFlows" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ConsolidatedStatementsOfComprehensiveLossIncome" xlink:href="mcy-20120630.xsd#ConsolidatedStatementsOfComprehensiveLossIncome" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ConsolidatedStatementsOfOperations" xlink:href="mcy-20120630.xsd#ConsolidatedStatementsOfOperations" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/Contingencies" xlink:href="mcy-20120630.xsd#Contingencies" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/DerivativeFinancialInstruments" xlink:href="mcy-20120630.xsd#DerivativeFinancialInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsNarrativeDetails" xlink:href="mcy-20120630.xsd#DerivativeFinancialInstrumentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsScheduleOfDerivativeGainsAndLossesInConsolidatedStatementsOfOperationsDetails" xlink:href="mcy-20120630.xsd#DerivativeFinancialInstrumentsScheduleOfDerivativeGainsAndLossesInConsolidatedStatementsOfOperationsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsSummaryOfLocationAndAmountsOfDerivativeFairValuesInConsolidatedBalanceSheetsDetails" xlink:href="mcy-20120630.xsd#DerivativeFinancialInstrumentsSummaryOfLocationAndAmountsOfDerivativeFairValuesInConsolidatedBalanceSheetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsTables" xlink:href="mcy-20120630.xsd#DerivativeFinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/DocumentAndEntityInformation" xlink:href="mcy-20120630.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueMeasurement" xlink:href="mcy-20120630.xsd#FairValueMeasurement" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueMeasurementNarrativeDetails" xlink:href="mcy-20120630.xsd#FairValueMeasurementNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueMeasurementScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisValuationTechniquesDetails" xlink:href="mcy-20120630.xsd#FairValueMeasurementScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisValuationTechniquesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueMeasurementSummaryOfChangesInFairValueOfLevel3FinancialAssetsAndFinancialLiabilitiesHeldAtFairValueDetails" xlink:href="mcy-20120630.xsd#FairValueMeasurementSummaryOfChangesInFairValueOfLevel3FinancialAssetsAndFinancialLiabilitiesHeldAtFairValueDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueMeasurementTables" xlink:href="mcy-20120630.xsd#FairValueMeasurementTables" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstruments" xlink:href="mcy-20120630.xsd#FairValueOfFinancialInstruments" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstrumentsEstimatedFairValuesOfFinancialInstrumentsDetails" xlink:href="mcy-20120630.xsd#FairValueOfFinancialInstrumentsEstimatedFairValuesOfFinancialInstrumentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstrumentsNarrativeDetails" xlink:href="mcy-20120630.xsd#FairValueOfFinancialInstrumentsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstrumentsTables" xlink:href="mcy-20120630.xsd#FairValueOfFinancialInstrumentsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueOption" xlink:href="mcy-20120630.xsd#FairValueOption" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueOptionGainsAndLossesDueToChangesInFairValueOfInvestmentsDetails" xlink:href="mcy-20120630.xsd#FairValueOptionGainsAndLossesDueToChangesInFairValueOfInvestmentsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/FairValueOptionTables" xlink:href="mcy-20120630.xsd#FairValueOptionTables" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/General" xlink:href="mcy-20120630.xsd#General" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/GeneralDetails" xlink:href="mcy-20120630.xsd#GeneralDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/GeneralPolicy" xlink:href="mcy-20120630.xsd#GeneralPolicy" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssets" xlink:href="mcy-20120630.xsd#GoodwillAndOtherIntangibleAssets" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsNarrativeDetails" xlink:href="mcy-20120630.xsd#GoodwillAndOtherIntangibleAssetsNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsScheduleOfComponentsOfOtherIntangibleAssetsDetails" xlink:href="mcy-20120630.xsd#GoodwillAndOtherIntangibleAssetsScheduleOfComponentsOfOtherIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsScheduleOfEstimatedFutureAmortizationExpenseRelatedToIntangibleAssetsDetails" xlink:href="mcy-20120630.xsd#GoodwillAndOtherIntangibleAssetsScheduleOfEstimatedFutureAmortizationExpenseRelatedToIntangibleAssetsDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsTables" xlink:href="mcy-20120630.xsd#GoodwillAndOtherIntangibleAssetsTables" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/IncomeTaxes" xlink:href="mcy-20120630.xsd#IncomeTaxes" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/IncomeTaxesDetails" xlink:href="mcy-20120630.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/RecentlyIssuedAccountingStandards" xlink:href="mcy-20120630.xsd#RecentlyIssuedAccountingStandards" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ShareBasedCompensation" xlink:href="mcy-20120630.xsd#ShareBasedCompensation" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ShareBasedCompensationNarrativeDetails" xlink:href="mcy-20120630.xsd#ShareBasedCompensationNarrativeDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ShareBasedCompensationScheduleOfPerformanceVestingRestrictedStockUnitsGrantedDetails" xlink:href="mcy-20120630.xsd#ShareBasedCompensationScheduleOfPerformanceVestingRestrictedStockUnitsGrantedDetails" xlink:type="simple" />
  <roleRef roleURI="http://www.mercuryinsurance.com/role/ShareBasedCompensationTables" xlink:href="mcy-20120630.xsd#ShareBasedCompensationTables" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" xlink:type="simple" />
  <roleRef roleURI="http://www.xbrl.org/2009/role/netLabel" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" xlink:type="simple" />
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_66AA3FF0C854521C7601C5BB63BA6D0D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_798793FACF6FF9ECAB97C5BB63BA1A15" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_66AA3FF0C854521C7601C5BB63BA6D0D" xlink:to="loc_us-gaap_StatementTable_798793FACF6FF9ECAB97C5BB63BA1A15" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_FF7703E2A8128B7E77FEC5BB63BAFDE6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_798793FACF6FF9ECAB97C5BB63BA1A15" xlink:to="loc_us-gaap_StatementScenarioAxis_FF7703E2A8128B7E77FEC5BB63BAFDE6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_3BB63C32EA7F0D50F01DC5BB63BBB61C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_FF7703E2A8128B7E77FEC5BB63BAFDE6" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_3BB63C32EA7F0D50F01DC5BB63BBB61C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_E75A4DD17A5E4BD0A92CC5BB63BB52E6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_798793FACF6FF9ECAB97C5BB63BA1A15" xlink:to="loc_us-gaap_StatementLineItems_E75A4DD17A5E4BD0A92CC5BB63BB52E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_E75A4DD17A5E4BD0A92CC5BB63BB52E6" xlink:to="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesDebt" xlink:label="loc_us-gaap_TradingSecuritiesDebt_E3D44C945952CC688EB7C5BB63BB1063" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_TradingSecuritiesDebt_E3D44C945952CC688EB7C5BB63BB1063" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradingSecuritiesEquity" xlink:label="loc_us-gaap_TradingSecuritiesEquity_044A9C41563FAB7844F5C5BB63BBC1C5" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_TradingSecuritiesEquity_044A9C41563FAB7844F5C5BB63BBC1C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_631D9E64A3BF3E762850C5BB63BBD4C9" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_ShortTermInvestments_631D9E64A3BF3E762850C5BB63BBD4C9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Investments" xlink:label="loc_us-gaap_Investments_CF7FF709FBD5870BBEA1C5BB63BBA30C" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_Investments_CF7FF709FBD5870BBEA1C5BB63BBA30C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Cash" xlink:label="loc_us-gaap_Cash_C66DDE4144AC3082F5DAC5BB63BB39B5" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_Cash_C66DDE4144AC3082F5DAC5BB63BB39B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PremiumsAndOtherReceivablesNetAbstract" xlink:label="loc_us-gaap_PremiumsAndOtherReceivablesNetAbstract_3FBD85B6CC8B98677E39C5BB63BBA4FF" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_PremiumsAndOtherReceivablesNetAbstract_3FBD85B6CC8B98677E39C5BB63BBA4FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PremiumsReceivableAtCarryingValue" xlink:label="loc_us-gaap_PremiumsReceivableAtCarryingValue_CD164DA5F70BADAE9E5BC5BB63BB57AF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PremiumsAndOtherReceivablesNetAbstract_3FBD85B6CC8B98677E39C5BB63BBA4FF" xlink:to="loc_us-gaap_PremiumsReceivableAtCarryingValue_CD164DA5F70BADAE9E5BC5BB63BB57AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedInvestmentIncomeReceivable" xlink:label="loc_us-gaap_AccruedInvestmentIncomeReceivable_9347F3C360B85A0BB820C5BB63BC0874" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PremiumsAndOtherReceivablesNetAbstract_3FBD85B6CC8B98677E39C5BB63BBA4FF" xlink:to="loc_us-gaap_AccruedInvestmentIncomeReceivable_9347F3C360B85A0BB820C5BB63BC0874" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherReceivables" xlink:label="loc_us-gaap_OtherReceivables_BFA505E56478BB51F725C5BB63BCC65B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PremiumsAndOtherReceivablesNetAbstract_3FBD85B6CC8B98677E39C5BB63BBA4FF" xlink:to="loc_us-gaap_OtherReceivables_BFA505E56478BB51F725C5BB63BCC65B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PremiumsAndOtherReceivablesNet" xlink:label="loc_us-gaap_PremiumsAndOtherReceivablesNet_76472661108361050F47C5BB63BC2F76" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PremiumsAndOtherReceivablesNetAbstract_3FBD85B6CC8B98677E39C5BB63BBA4FF" xlink:to="loc_us-gaap_PremiumsAndOtherReceivablesNet_76472661108361050F47C5BB63BC2F76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCosts_1875647F0376377A564DC5BB63BC653C" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCosts_1875647F0376377A564DC5BB63BC653C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_414910931E7141949CCBC5BB63BCB49B" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_414910931E7141949CCBC5BB63BCB49B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxReceivable" xlink:label="loc_us-gaap_IncomeTaxReceivable_E05662B6488DB1E44D95C5BB63BC77BC" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_IncomeTaxReceivable_E05662B6488DB1E44D95C5BB63BC77BC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_A22B5D64D5E05464DAF0C5BB63BC611D" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_A22B5D64D5E05464DAF0C5BB63BC611D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_C292B4C1DD142219D96BC5BB63BC648A" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_Goodwill_C292B4C1DD142219D96BC5BB63BC648A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_F8456236DAA689D1FFA9C5BB63BC5F94" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_F8456236DAA689D1FFA9C5BB63BC5F94" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherAssets" xlink:label="loc_us-gaap_OtherAssets_1922C47FE6A0D25E6DA5C5BB63BC0811" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_OtherAssets_1922C47FE6A0D25E6DA5C5BB63BC0811" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_4BC4FA365B5EEA0304BDC5BB63BD1508" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_3D5F068E31896436CBF5C5BB63BB6EB1" xlink:to="loc_us-gaap_Assets_4BC4FA365B5EEA0304BDC5BB63BD1508" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_E75A4DD17A5E4BD0A92CC5BB63BB52E6" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability" xlink:label="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability_C418C0FF20432892E1EAC5BB63BD748A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpensePropertyCasualtyLiability_C418C0FF20432892E1EAC5BB63BD748A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnearnedPremiums" xlink:label="loc_us-gaap_UnearnedPremiums_215F3390F2B0E793EA97C5BB63BDF51A" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_UnearnedPremiums_215F3390F2B0E793EA97C5BB63BDF51A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NotesPayable" xlink:label="loc_us-gaap_NotesPayable_B0C185DD7085B09D9C4CC5BB63BD12FC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_NotesPayable_B0C185DD7085B09D9C4CC5BB63BD12FC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_B354C9654C66573186DBC5BB63BD33B3" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent_B354C9654C66573186DBC5BB63BD33B3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_3385E7EF257C850661A9C5BB63BDB8DD" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_3385E7EF257C850661A9C5BB63BDB8DD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_5E6DDA846B69E901EED1C5BB63BEEFDF" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_5E6DDA846B69E901EED1C5BB63BEEFDF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilities" xlink:label="loc_us-gaap_OtherLiabilities_1C4F66891559383048AFC5BB63BE36C3" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_OtherLiabilities_1C4F66891559383048AFC5BB63BE36C3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_F399AEB5668F85D1CA40C5BB63BE11AE" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_Liabilities_F399AEB5668F85D1CA40C5BB63BE11AE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="loc_us-gaap_CommitmentsAndContingencies_F000A8F318F2EAA2BB50C5BB63BE655A" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_CommitmentsAndContingencies_F000A8F318F2EAA2BB50C5BB63BE655A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="loc_us-gaap_StockholdersEquityAbstract_6A4890CDE25D3F0F5927C5BB63BE7A70" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_678E445220A4D7BD4012C5BB63BD36C1" xlink:to="loc_us-gaap_StockholdersEquityAbstract_6A4890CDE25D3F0F5927C5BB63BE7A70" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="loc_us-gaap_CommonStockValue_578766E21D13541E0FF8C5BB63BE6A0E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6A4890CDE25D3F0F5927C5BB63BE7A70" xlink:to="loc_us-gaap_CommonStockValue_578766E21D13541E0FF8C5BB63BE6A0E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_51543AA3CCD245E401F9C5BB63BE1AC9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6A4890CDE25D3F0F5927C5BB63BE7A70" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_51543AA3CCD245E401F9C5BB63BE1AC9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_8606C1A57768C1161C2CC5BB63BEF1AC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6A4890CDE25D3F0F5927C5BB63BE7A70" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_8606C1A57768C1161C2CC5BB63BEF1AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3099D9291BA22467E2F7C5BB63BEE252" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6A4890CDE25D3F0F5927C5BB63BE7A70" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3099D9291BA22467E2F7C5BB63BEE252" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_F5993793745AC3F7E80FC5BB63BEF117" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StockholdersEquityAbstract_6A4890CDE25D3F0F5927C5BB63BE7A70" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_F5993793745AC3F7E80FC5BB63BEF117" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_37CCA60CA0F5E331EFF8BF5C80D26F31" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_AmortizedCostOnFixedMaturityTradingInvestments" xlink:label="loc_mcy_AmortizedCostOnFixedMaturityTradingInvestments_91AA3D56402BF953B802BF5C80D2E3F8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_37CCA60CA0F5E331EFF8BF5C80D26F31" xlink:to="loc_mcy_AmortizedCostOnFixedMaturityTradingInvestments_91AA3D56402BF953B802BF5C80D2E3F8" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_CostEquitySecurityTradingInvestments" xlink:label="loc_mcy_CostEquitySecurityTradingInvestments_A4374145533333B00294BF5C80D2A90C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_37CCA60CA0F5E331EFF8BF5C80D26F31" xlink:to="loc_mcy_CostEquitySecurityTradingInvestments_A4374145533333B00294BF5C80D2A90C" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_CostShortTermInvestments" xlink:label="loc_mcy_CostShortTermInvestments_BBB1486AF873CEA2A7EABF5C80D2453F" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_37CCA60CA0F5E331EFF8BF5C80D26F31" xlink:to="loc_mcy_CostShortTermInvestments_BBB1486AF873CEA2A7EABF5C80D2453F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:label="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_6828EB6C79976922E92ABF5C80D2C96B" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_37CCA60CA0F5E331EFF8BF5C80D26F31" xlink:to="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_6828EB6C79976922E92ABF5C80D2C96B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockNoParValue" xlink:label="loc_us-gaap_CommonStockNoParValue_C3D849762EDE09E2146CBF5C80D2400B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_6828EB6C79976922E92ABF5C80D2C96B" xlink:to="loc_us-gaap_CommonStockNoParValue_C3D849762EDE09E2146CBF5C80D2400B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_CC68D0831E5EA40FBEB0BF5C80D25E92" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_6828EB6C79976922E92ABF5C80D2C96B" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_CC68D0831E5EA40FBEB0BF5C80D25E92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="loc_us-gaap_CommonStockSharesIssued_2E89A12AF72B4D9D2133BF5C80D22309" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_6828EB6C79976922E92ABF5C80D2C96B" xlink:to="loc_us-gaap_CommonStockSharesIssued_2E89A12AF72B4D9D2133BF5C80D22309" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_1A42EAE7AC10F345F819BF5C80D24527" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_6828EB6C79976922E92ABF5C80D2C96B" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_1A42EAE7AC10F345F819BF5C80D24527" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_3B282D76421230EF1EBCDDF570441F49" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_69950C76519D4ECCF907DDF570444B3C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_3B282D76421230EF1EBCDDF570441F49" xlink:to="loc_us-gaap_StatementTable_69950C76519D4ECCF907DDF570444B3C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_279540FD90A1D42E7D08DDF570448ACE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_69950C76519D4ECCF907DDF570444B3C" xlink:to="loc_us-gaap_StatementScenarioAxis_279540FD90A1D42E7D08DDF570448ACE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_FB4F90716A1974171BAADDF57045B26E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_279540FD90A1D42E7D08DDF570448ACE" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_FB4F90716A1974171BAADDF57045B26E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_AE05E49A361C0B16C888DDF57045F007" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_69950C76519D4ECCF907DDF570444B3C" xlink:to="loc_us-gaap_StatementLineItems_AE05E49A361C0B16C888DDF57045F007" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_57BFA154F2399FFE9434DDF57045360C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AE05E49A361C0B16C888DDF57045F007" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_57BFA154F2399FFE9434DDF57045360C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_AD0B6CD2A2E1F1BE8000DDF57045B10F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_57BFA154F2399FFE9434DDF57045360C" xlink:to="loc_us-gaap_NetIncomeLoss_AD0B6CD2A2E1F1BE8000DDF57045B10F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_57BFA154F2399FFE9434DDF57045360C" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_C0B40C7C575979B6CF31DDF57045EB95" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_C0B40C7C575979B6CF31DDF57045EB95" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealizedInvestmentGainsLosses" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_7DB5C798E0DBCE123A61DDF570459711" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_7DB5C798E0DBCE123A61DDF570459711" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfDebtDiscountPremium" xlink:label="loc_us-gaap_AmortizationOfDebtDiscountPremium_1EE8F13B1208802524F8DDF570458A7D" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_AmortizationOfDebtDiscountPremium_1EE8F13B1208802524F8DDF570458A7D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_0D0AB1868E951955A3CEDDF570451BD5" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities_0D0AB1868E951955A3CEDDF570451BD5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInPremiumsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_947C705D6BED7DC169CDDDF5704510BE" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInPremiumsReceivable_947C705D6BED7DC169CDDDF5704510BE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredIncomeTaxes" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_E9BB6DDC14668A13BCE6DDF570451F1C" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredIncomeTaxes_E9BB6DDC14668A13BCE6DDF570451F1C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts" xlink:label="loc_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_31FEEECDD8F4D55AC2FADDF5704523F7" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_31FEEECDD8F4D55AC2FADDF5704523F7" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve" xlink:label="loc_us-gaap_IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve_4551AB5C4BFC221E17CADDF57045F40A" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve_4551AB5C4BFC221E17CADDF57045F40A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInUnearnedPremiums" xlink:label="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_47FBF65CE54FA7D6151FDDF57045ADF0" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInUnearnedPremiums_47FBF65CE54FA7D6151FDDF57045ADF0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_3476BDBC9766C01E527DDDF57045A70B" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_3476BDBC9766C01E527DDDF57045A70B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_18BE988F9810248EB08ADDF570457CCA" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_ShareBasedCompensation_18BE988F9810248EB08ADDF570457CCA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherAccountsPayable" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayable_5104FFD27FD3E9959352DDF570453946" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherAccountsPayable_5104FFD27FD3E9959352DDF570453946" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_78A74FF41C18BC786B21DDF57045AC9D" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_78A74FF41C18BC786B21DDF57045AC9D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_CBA9446B4C30BB409A5ADDF57045D648" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_AEC7AF3FA5954E3B622CDDF57045AB58" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_CBA9446B4C30BB409A5ADDF57045D648" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_92672435B3458F06F2A7DDF570464965" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AE05E49A361C0B16C888DDF57045F007" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_92672435B3458F06F2A7DDF570464965" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_8187107FABC61D5E60AADDF57046C833" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_92672435B3458F06F2A7DDF570464965" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_8187107FABC61D5E60AADDF57046C833" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_924B46C2E7DD69AD0B19DDF570465EDA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_92672435B3458F06F2A7DDF570464965" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_924B46C2E7DD69AD0B19DDF570465EDA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_44A54549967E8E1D55E6DDF570469B2A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_92672435B3458F06F2A7DDF570464965" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_44A54549967E8E1D55E6DDF570469B2A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract" xlink:label="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_92672435B3458F06F2A7DDF570464965" xlink:to="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_A606D99CD5BB4D54FFD7DDF57046710B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesEquity_A606D99CD5BB4D54FFD7DDF57046710B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity" xlink:label="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_CA9825F44A9D953AF3F3DDF5704605F7" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesEquity_CA9825F44A9D953AF3F3DDF5704605F7" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_ProceedsFromCallsOfAvailableForSaleSecuritiesEquity" xlink:label="loc_mcy_ProceedsFromCallsOfAvailableForSaleSecuritiesEquity_688AE6B18272A2BABE42DDF570467ABB" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_mcy_ProceedsFromCallsOfAvailableForSaleSecuritiesEquity_688AE6B18272A2BABE42DDF570467ABB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet" xlink:label="loc_us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet_E088E4F7ECC2630C21EBDDF5704698AC" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_IncreaseDecreaseInBrokerDealerRelatedReceivablesPayablesNet_E088E4F7ECC2630C21EBDDF5704698AC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_43CDA3983CAA8ADB2204DDF57046F58F" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_ProceedsFromSaleOfShortTermInvestments_43CDA3983CAA8ADB2204DDF57046F58F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_72E55AAB06567487C15ADDF570460F04" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_72E55AAB06567487C15ADDF570460F04" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_824198EE5F019FE7D7B0DDF57046E6C5" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_ProceedsFromSaleOfProductiveAssets_824198EE5F019FE7D7B0DDF57046E6C5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_348C61DA253BF11C0078DDF57046C59F" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_348C61DA253BF11C0078DDF57046C59F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_A1E2D4823DDDA1BD3A2DDDF570469834" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_PaymentsToAcquireMarketableSecuritiesAbstract_1A825147E5DD6C0D74D1DDF57046BDB9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_A1E2D4823DDDA1BD3A2DDDF570469834" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_A9A7C2D60D8B0243A307DDF57046DB05" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AE05E49A361C0B16C888DDF57045F007" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_A9A7C2D60D8B0243A307DDF57046DB05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_B64B3FC766466ED6CC95DDF570463A5E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_A9A7C2D60D8B0243A307DDF57046DB05" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_B64B3FC766466ED6CC95DDF570463A5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_64883457256A6F44DEFDDDF5704667BF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_A9A7C2D60D8B0243A307DDF57046DB05" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_64883457256A6F44DEFDDDF5704667BF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_8DE43DE71F7096155BF7DDF57046C930" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_A9A7C2D60D8B0243A307DDF57046DB05" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_8DE43DE71F7096155BF7DDF57046C930" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_C0936B0E5BC5F25BE8A5DDF570464644" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_A9A7C2D60D8B0243A307DDF57046DB05" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_C0936B0E5BC5F25BE8A5DDF570464644" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_367804399BFB06015D00DDF5704695B1" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_A9A7C2D60D8B0243A307DDF57046DB05" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_367804399BFB06015D00DDF5704695B1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract_2F7841F0AC8BAFD5EB2CDDF570466A43" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AE05E49A361C0B16C888DDF57045F007" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract_2F7841F0AC8BAFD5EB2CDDF570466A43" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Cash" xlink:label="loc_us-gaap_Cash_2DE54950FD1F9CA1664DDDF570460927" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract_2F7841F0AC8BAFD5EB2CDDF570466A43" xlink:to="loc_us-gaap_Cash_2DE54950FD1F9CA1664DDDF570460927" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Cash" xlink:label="loc_us-gaap_Cash_BE977EF7AA80EB24BD65DDF570476F07" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract_2F7841F0AC8BAFD5EB2CDDF570466A43" xlink:to="loc_us-gaap_Cash_BE977EF7AA80EB24BD65DDF570476F07" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_A80E4714DF4E42DF202EDDF570473742" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_AE05E49A361C0B16C888DDF57045F007" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_A80E4714DF4E42DF202EDDF570473742" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_52FB5C87FD8F24D1D73ADDF57047A08D" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_A80E4714DF4E42DF202EDDF570473742" xlink:to="loc_us-gaap_InterestPaid_52FB5C87FD8F24D1D73ADDF57047A08D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxesPaid" xlink:label="loc_us-gaap_IncomeTaxesPaid_67446DC7789F1C0FF2D3DDF57047FEBD" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_A80E4714DF4E42DF202EDDF570473742" xlink:to="loc_us-gaap_IncomeTaxesPaid_67446DC7789F1C0FF2D3DDF57047FEBD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ConsolidatedStatementsOfComprehensiveLossIncome" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_17A4AB91B9784B5B8F65DDF398D2AB96" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_CCC0FE6262A9D6625EE4DDF398D24573" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_17A4AB91B9784B5B8F65DDF398D2AB96" xlink:to="loc_us-gaap_StatementTable_CCC0FE6262A9D6625EE4DDF398D24573" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_1B34D38272132FBC90E4DDF398D29444" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CCC0FE6262A9D6625EE4DDF398D24573" xlink:to="loc_us-gaap_StatementScenarioAxis_1B34D38272132FBC90E4DDF398D29444" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_687FE9BE56D3253B4D8DDDF398D2FFBB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_1B34D38272132FBC90E4DDF398D29444" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_687FE9BE56D3253B4D8DDDF398D2FFBB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_25E44982384DCA6C9A17DDF398D2C0DA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_CCC0FE6262A9D6625EE4DDF398D24573" xlink:to="loc_us-gaap_StatementLineItems_25E44982384DCA6C9A17DDF398D2C0DA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_FFD68019CCAD5DEF14E1DDF398D2BC28" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_25E44982384DCA6C9A17DDF398D2C0DA" xlink:to="loc_us-gaap_NetIncomeLoss_FFD68019CCAD5DEF14E1DDF398D2BC28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_50C7AA52632CB3252EE0DDF398D2A602" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_25E44982384DCA6C9A17DDF398D2C0DA" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_50C7AA52632CB3252EE0DDF398D2A602" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax_09262A1015C825C619CADDF398D23D00" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_50C7AA52632CB3252EE0DDF398D2A602" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax_09262A1015C825C619CADDF398D23D00" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_453F347B0C52E40B40D4DDF398D208A5" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_50C7AA52632CB3252EE0DDF398D2A602" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_453F347B0C52E40B40D4DDF398D208A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_369EDCA99D9ED5635735DDF398D2602A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_50C7AA52632CB3252EE0DDF398D2A602" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax_369EDCA99D9ED5635735DDF398D2602A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_FF96FA688458B649675CDDF398D3F72C" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_50C7AA52632CB3252EE0DDF398D2A602" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_FF96FA688458B649675CDDF398D3F72C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_B6461D038957DB947E85DDF398D3158A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParentAbstract_50C7AA52632CB3252EE0DDF398D2A602" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_B6461D038957DB947E85DDF398D3158A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ConsolidatedStatementsOfOperations" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="loc_us-gaap_IncomeStatementAbstract_2BF88332DFE9DF6CA83ABC136AD79779" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_15C52D7F82CEE3DCB01ABC136AD745FF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_2BF88332DFE9DF6CA83ABC136AD79779" xlink:to="loc_us-gaap_StatementTable_15C52D7F82CEE3DCB01ABC136AD745FF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="loc_us-gaap_StatementScenarioAxis_FB223BE826F92CFC637BBC136AD741B0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_15C52D7F82CEE3DCB01ABC136AD745FF" xlink:to="loc_us-gaap_StatementScenarioAxis_FB223BE826F92CFC637BBC136AD741B0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="loc_us-gaap_ScenarioUnspecifiedDomain_673CFD4F97FDE51CD40FBC136AD7C344" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementScenarioAxis_FB223BE826F92CFC637BBC136AD741B0" xlink:to="loc_us-gaap_ScenarioUnspecifiedDomain_673CFD4F97FDE51CD40FBC136AD7C344" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_59FBF12F8174C82F0602BC136AD7240E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_15C52D7F82CEE3DCB01ABC136AD745FF" xlink:to="loc_us-gaap_StatementLineItems_59FBF12F8174C82F0602BC136AD7240E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="loc_us-gaap_RevenuesAbstract_3FBEF1198ADA58EE8CE5BC136AD7EA11" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_59FBF12F8174C82F0602BC136AD7240E" xlink:to="loc_us-gaap_RevenuesAbstract_3FBEF1198ADA58EE8CE5BC136AD7EA11" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PremiumsEarnedNetPropertyAndCasualty" xlink:label="loc_us-gaap_PremiumsEarnedNetPropertyAndCasualty_ACD513DDBCB2C2E2849CBC136AD7249B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_3FBEF1198ADA58EE8CE5BC136AD7EA11" xlink:to="loc_us-gaap_PremiumsEarnedNetPropertyAndCasualty_ACD513DDBCB2C2E2849CBC136AD7249B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestAndDividendIncomeOperating" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_D28D495D9A5F022AC6A1BC136AD79ED1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_3FBEF1198ADA58EE8CE5BC136AD7EA11" xlink:to="loc_us-gaap_InterestAndDividendIncomeOperating_D28D495D9A5F022AC6A1BC136AD79ED1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RealizedInvestmentGainsLosses" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_B059405C9CA931269F1EBC136AD71F83" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_3FBEF1198ADA58EE8CE5BC136AD7EA11" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_B059405C9CA931269F1EBC136AD71F83" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncome" xlink:label="loc_us-gaap_OtherIncome_28A0AEDB1DCF6862D228BC136AD7CC28" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_3FBEF1198ADA58EE8CE5BC136AD7EA11" xlink:to="loc_us-gaap_OtherIncome_28A0AEDB1DCF6862D228BC136AD7CC28" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Revenues" xlink:label="loc_us-gaap_Revenues_23FA1A9D7EB202163ED4BC136AD7C460" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_3FBEF1198ADA58EE8CE5BC136AD7EA11" xlink:to="loc_us-gaap_Revenues_23FA1A9D7EB202163ED4BC136AD7C460" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BenefitsLossesAndExpensesAbstract" xlink:label="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_59FBF12F8174C82F0602BC136AD7240E" xlink:to="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PolicyholderBenefitsAndClaimsIncurredNet" xlink:label="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_E9EAD276220D1475A280BC136AD77080" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_E9EAD276220D1475A280BC136AD77080" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_F0F34D34FED5C3910F3FBC136AD7438E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_F0F34D34FED5C3910F3FBC136AD7438E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="loc_us-gaap_OtherCostAndExpenseOperating_DB275839ACBC3736A120BC136AD7C90A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_OtherCostAndExpenseOperating_DB275839ACBC3736A120BC136AD7C90A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_A32F1ECED5754D436B86BC136AD7BD1F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_InterestExpense_A32F1ECED5754D436B86BC136AD7BD1F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BenefitsLossesAndExpenses" xlink:label="loc_us-gaap_BenefitsLossesAndExpenses_7CFFDFF47E06547FE47EBC136AD7F60C" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_BenefitsLossesAndExpenses_7CFFDFF47E06547FE47EBC136AD7F60C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_BD2FF1AFFE35A8CB8C38BC136AD712C1" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_BD2FF1AFFE35A8CB8C38BC136AD712C1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_559A10511356F3C7AB67BC136AD86127" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_559A10511356F3C7AB67BC136AD86127" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_E8A4FA4D04F56C88FCB3BC136AD857BB" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BenefitsLossesAndExpensesAbstract_7B70235345627737DC03BC136AD7FCEA" xlink:to="loc_us-gaap_NetIncomeLoss_E8A4FA4D04F56C88FCB3BC136AD857BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_674BF46A3811DB50C2A1BC136AD8CD5E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_59FBF12F8174C82F0602BC136AD7240E" xlink:to="loc_us-gaap_EarningsPerShareAbstract_674BF46A3811DB50C2A1BC136AD8CD5E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="loc_us-gaap_EarningsPerShareBasic_7C758EE969156E4301B3BC136AD808FD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_674BF46A3811DB50C2A1BC136AD8CD5E" xlink:to="loc_us-gaap_EarningsPerShareBasic_7C758EE969156E4301B3BC136AD808FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareDiluted" xlink:label="loc_us-gaap_EarningsPerShareDiluted_3AD8F2E3AE3996802461BC136AD89E0B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_674BF46A3811DB50C2A1BC136AD8CD5E" xlink:to="loc_us-gaap_EarningsPerShareDiluted_3AD8F2E3AE3996802461BC136AD89E0B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:label="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_ED0C920B7ADD981CFDDEBC136AD8021F" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_59FBF12F8174C82F0602BC136AD7240E" xlink:to="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_ED0C920B7ADD981CFDDEBC136AD8021F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_95C1FF8DEA76D625346DBC136AD8124A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_ED0C920B7ADD981CFDDEBC136AD8021F" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_95C1FF8DEA76D625346DBC136AD8124A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_AD9F30256E5CE973E410BC136AD8FAFA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_ED0C920B7ADD981CFDDEBC136AD8021F" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_AD9F30256E5CE973E410BC136AD8FAFA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_2918E71F4C6421ABCA99BC136AD8A83E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_ED0C920B7ADD981CFDDEBC136AD8021F" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_2918E71F4C6421ABCA99BC136AD8A83E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/Contingencies" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E479D83382AA8A89FB1E91716B28C0BB" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_6FF6BA0338F31222407791716B286DF5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_E479D83382AA8A89FB1E91716B28C0BB" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_6FF6BA0338F31222407791716B286DF5" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/DerivativeFinancialInstruments" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract" xlink:label="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_A67822172C809107205B91716B3ABC01" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_BAA8616AADCED290626691716B3AD836" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_A67822172C809107205B91716B3ABC01" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_BAA8616AADCED290626691716B3AD836" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract" xlink:label="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_652F46143CD8FDD80BBBCA2C6AE37EF2" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_DerivativeFinancialInstrumentsTable" xlink:label="loc_mcy_DerivativeFinancialInstrumentsTable_B940DA326072C9EC668CCA2C6AE3DC29" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_652F46143CD8FDD80BBBCA2C6AE37EF2" xlink:to="loc_mcy_DerivativeFinancialInstrumentsTable_B940DA326072C9EC668CCA2C6AE3DC29" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_E4823D31E1C50A52B141CA2C6AE339F6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_B940DA326072C9EC668CCA2C6AE3DC29" xlink:to="loc_us-gaap_DebtInstrumentAxis_E4823D31E1C50A52B141CA2C6AE339F6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_E23B9635E43BF65DF62DCA2C6AE3A949" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_E4823D31E1C50A52B141CA2C6AE339F6" xlink:to="loc_us-gaap_CreditFacilityDomain_E23B9635E43BF65DF62DCA2C6AE3A949" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_UnionBankMember" xlink:label="loc_mcy_UnionBankMember_29A6C20262DABD61DDEDCA2C6AE3F4AF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_E23B9635E43BF65DF62DCA2C6AE3A949" xlink:to="loc_mcy_UnionBankMember_29A6C20262DABD61DDEDCA2C6AE3F4AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansMember" xlink:label="loc_us-gaap_LoansMember_E8C8315A1DDE391054C1CA2C6AE4069B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_E23B9635E43BF65DF62DCA2C6AE3A949" xlink:to="loc_us-gaap_LoansMember_E8C8315A1DDE391054C1CA2C6AE4069B" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_BankOfAmericaMember" xlink:label="loc_mcy_BankOfAmericaMember_D0723B3AA44EAE32E0DBCA2C6AE474F1" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_E23B9635E43BF65DF62DCA2C6AE3A949" xlink:to="loc_mcy_BankOfAmericaMember_D0723B3AA44EAE32E0DBCA2C6AE474F1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_4897955684EB67190DD8CA2C6AE44800" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_B940DA326072C9EC668CCA2C6AE3DC29" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_4897955684EB67190DD8CA2C6AE44800" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_BD469BDCC6D7FB34AAF4CA2C6AE41696" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_4897955684EB67190DD8CA2C6AE44800" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_BD469BDCC6D7FB34AAF4CA2C6AE41696" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_3BB3D09ED62BC7A4A33BCA2C6AE4A23B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_BD469BDCC6D7FB34AAF4CA2C6AE41696" xlink:to="loc_us-gaap_InterestRateSwapMember_3BB3D09ED62BC7A4A33BCA2C6AE4A23B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_6D82627E53BBBFFECC64CA2C6AE4956A" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_B940DA326072C9EC668CCA2C6AE3DC29" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_6D82627E53BBBFFECC64CA2C6AE4956A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_75D608B9D3EB7AE83EB8CA2C6AE47F00" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_6D82627E53BBBFFECC64CA2C6AE4956A" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_75D608B9D3EB7AE83EB8CA2C6AE47F00" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_CreditFacilityMember" xlink:label="loc_mcy_CreditFacilityMember_140E3F4DB74BA34FE460CA2C6AE4E62E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_75D608B9D3EB7AE83EB8CA2C6AE47F00" xlink:to="loc_mcy_CreditFacilityMember_140E3F4DB74BA34FE460CA2C6AE4E62E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LoansMember" xlink:label="loc_us-gaap_LoansMember_4E1A824EB4544B40D8CCCA2C6AE41270" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_75D608B9D3EB7AE83EB8CA2C6AE47F00" xlink:to="loc_us-gaap_LoansMember_4E1A824EB4544B40D8CCCA2C6AE41270" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_BankOfAmericaMember" xlink:label="loc_mcy_BankOfAmericaMember_8AE270D9AB6CBAAB9D86CA2C6AE4FE61" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_75D608B9D3EB7AE83EB8CA2C6AE47F00" xlink:to="loc_mcy_BankOfAmericaMember_8AE270D9AB6CBAAB9D86CA2C6AE4FE61" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_UnionBankMember" xlink:label="loc_mcy_UnionBankMember_FAF80D91B420EE7DF096CA2C6AE4FEED" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_75D608B9D3EB7AE83EB8CA2C6AE47F00" xlink:to="loc_mcy_UnionBankMember_FAF80D91B420EE7DF096CA2C6AE4FEED" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_B940DA326072C9EC668CCA2C6AE3DC29" xlink:to="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_732FB0CF0E376024A694CA2C6AE48B92" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:to="loc_us-gaap_SecuredDebt_732FB0CF0E376024A694CA2C6AE48B92" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFixedInterestRate" xlink:label="loc_us-gaap_DerivativeFixedInterestRate_2CB984B55D109BAD6B94CA2C6AE40C98" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:to="loc_us-gaap_DerivativeFixedInterestRate_2CB984B55D109BAD6B94CA2C6AE40C98" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_7F8E77205E045E4243C2CA2C6AE44525" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateDescription_7F8E77205E045E4243C2CA2C6AE44525" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_84DFA16F5EE0531C93C0CA2C6AE434A9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_84DFA16F5EE0531C93C0CA2C6AE434A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_416BB86CF2047FD966ADCA2C6AE495BA" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate_416BB86CF2047FD966ADCA2C6AE495BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_A51876ACAEFAF45A7369CA2C6AE45807" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_A51876ACAEFAF45A7369CA2C6AE45807" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateFairValueHedgeAssetAtFairValue" xlink:label="loc_us-gaap_InterestRateFairValueHedgeAssetAtFairValue_84DF10CEEBA672FFE8E3CA2C6AE5C41E" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4998B16B7A83AB16E854CA2C6AE4B078" xlink:to="loc_us-gaap_InterestRateFairValueHedgeAssetAtFairValue_84DF10CEEBA672FFE8E3CA2C6AE5C41E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsScheduleOfDerivativeGainsAndLossesInConsolidatedStatementsOfOperationsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract" xlink:label="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_7DFDBA95035FC2AC4CBCE344C52F7094" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_DerivativeFinancialInstrumentsTable" xlink:label="loc_mcy_DerivativeFinancialInstrumentsTable_BDE788D658AD184E1DCDE344C52FC4F4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_7DFDBA95035FC2AC4CBCE344C52F7094" xlink:to="loc_mcy_DerivativeFinancialInstrumentsTable_BDE788D658AD184E1DCDE344C52FC4F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_FF7F0AA4F292D96C293DE344C52F0F66" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_BDE788D658AD184E1DCDE344C52FC4F4" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_FF7F0AA4F292D96C293DE344C52F0F66" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_9983C247BCE1C0356501E344C52FA4CC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_FF7F0AA4F292D96C293DE344C52F0F66" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_9983C247BCE1C0356501E344C52FA4CC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_3B0F2C75CFB6CB5D760CE344C52F7119" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_9983C247BCE1C0356501E344C52FA4CC" xlink:to="loc_us-gaap_InterestRateSwapMember_3B0F2C75CFB6CB5D760CE344C52F7119" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityContractMember" xlink:label="loc_us-gaap_EquityContractMember_0D7098541F7E2B6A11FBE344C530614C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_9983C247BCE1C0356501E344C52FA4CC" xlink:to="loc_us-gaap_EquityContractMember_0D7098541F7E2B6A11FBE344C530614C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationAxis" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_763D6602A141262CDDC7E344C53005A1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_BDE788D658AD184E1DCDE344C52FC4F4" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_763D6602A141262CDDC7E344C53005A1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeStatementLocationDomain" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_5EC71D05A6548C4A3D6CE344C5301DE9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_763D6602A141262CDDC7E344C53005A1" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_5EC71D05A6548C4A3D6CE344C5301DE9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherComprehensiveIncomeMember" xlink:label="loc_us-gaap_OtherComprehensiveIncomeMember_5BBB4CAADB4DF377F836E344C5302938" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5EC71D05A6548C4A3D6CE344C5301DE9" xlink:to="loc_us-gaap_OtherComprehensiveIncomeMember_5BBB4CAADB4DF377F836E344C5302938" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherIncomeMember" xlink:label="loc_us-gaap_OtherIncomeMember_4A29E946FF7AC17F0198E344C5300FA5" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5EC71D05A6548C4A3D6CE344C5301DE9" xlink:to="loc_us-gaap_OtherIncomeMember_4A29E946FF7AC17F0198E344C5300FA5" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_NetRealizedInvestmentGainsMember" xlink:label="loc_mcy_NetRealizedInvestmentGainsMember_770FF3A5B8E6DFA545CDE344C530DC34" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_5EC71D05A6548C4A3D6CE344C5301DE9" xlink:to="loc_mcy_NetRealizedInvestmentGainsMember_770FF3A5B8E6DFA545CDE344C530DC34" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4A3C447D01B83C565474E344C530B6AA" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_BDE788D658AD184E1DCDE344C52FC4F4" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4A3C447D01B83C565474E344C530B6AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingRelationshipDomain" xlink:label="loc_us-gaap_HedgingRelationshipDomain_0784713C8D974C15DFE3E344C5302BAA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_4A3C447D01B83C565474E344C530B6AA" xlink:to="loc_us-gaap_HedgingRelationshipDomain_0784713C8D974C15DFE3E344C5302BAA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashFlowHedgingMember" xlink:label="loc_us-gaap_CashFlowHedgingMember_4D8CDFEEA3E93A244F2EE344C53048D5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_0784713C8D974C15DFE3E344C5302BAA" xlink:to="loc_us-gaap_CashFlowHedgingMember_4D8CDFEEA3E93A244F2EE344C53048D5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_CF17F3C4C6FC6ED6C69DE344C530069F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingRelationshipDomain_0784713C8D974C15DFE3E344C5302BAA" xlink:to="loc_us-gaap_NondesignatedMember_CF17F3C4C6FC6ED6C69DE344C530069F" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_DerivativeFinancialInstrumentsLineItems" xlink:label="loc_mcy_DerivativeFinancialInstrumentsLineItems_0D95A6212122E0F2FCE2E344C5302687" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_BDE788D658AD184E1DCDE344C52FC4F4" xlink:to="loc_mcy_DerivativeFinancialInstrumentsLineItems_0D95A6212122E0F2FCE2E344C5302687" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_83C6D23C5715B7731C08E344C5300372" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsLineItems_0D95A6212122E0F2FCE2E344C5302687" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet_83C6D23C5715B7731C08E344C5300372" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_E630F609C16A4CC092EFE344C530725D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsLineItems_0D95A6212122E0F2FCE2E344C5302687" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossRecognizedInIncomeNet_E630F609C16A4CC092EFE344C530725D" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsSummaryOfLocationAndAmountsOfDerivativeFairValuesInConsolidatedBalanceSheetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract" xlink:label="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_19FBBC7B4DA48F507D5BBC65CB6A9746" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_DerivativeFinancialInstrumentsTable" xlink:label="loc_mcy_DerivativeFinancialInstrumentsTable_51FBDD7E522A726A823DBC65CB6BE009" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_19FBBC7B4DA48F507D5BBC65CB6A9746" xlink:to="loc_mcy_DerivativeFinancialInstrumentsTable_51FBDD7E522A726A823DBC65CB6BE009" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationAxis" xlink:label="loc_us-gaap_HedgingDesignationAxis_E3A0C968A30210F53B3EBC65CB6BE477" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_51FBDD7E522A726A823DBC65CB6BE009" xlink:to="loc_us-gaap_HedgingDesignationAxis_E3A0C968A30210F53B3EBC65CB6BE477" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_HedgingDesignationDomain" xlink:label="loc_us-gaap_HedgingDesignationDomain_8B8F5B5F0AE5A1CC3997BC65CB6B2A81" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationAxis_E3A0C968A30210F53B3EBC65CB6BE477" xlink:to="loc_us-gaap_HedgingDesignationDomain_8B8F5B5F0AE5A1CC3997BC65CB6B2A81" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="loc_us-gaap_NondesignatedMember_12BDE64F094221CDDE13BC65CB6BC4D1" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_HedgingDesignationDomain_8B8F5B5F0AE5A1CC3997BC65CB6B2A81" xlink:to="loc_us-gaap_NondesignatedMember_12BDE64F094221CDDE13BC65CB6BC4D1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_AF9E4A69973F6E6D7F31BC65CB6BD9A9" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_51FBDD7E522A726A823DBC65CB6BE009" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_AF9E4A69973F6E6D7F31BC65CB6BD9A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_41B344CC5CBCE7B21B70BC65CB6B842C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_AF9E4A69973F6E6D7F31BC65CB6BD9A9" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_41B344CC5CBCE7B21B70BC65CB6B842C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_9DA8FB7B45AC7484BAF0BC65CB6B7A7E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_41B344CC5CBCE7B21B70BC65CB6B842C" xlink:to="loc_us-gaap_InterestRateSwapMember_9DA8FB7B45AC7484BAF0BC65CB6B7A7E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityContractMember" xlink:label="loc_us-gaap_EquityContractMember_818A64C7F4F8C3D75F35BC65CB6BE31D" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_41B344CC5CBCE7B21B70BC65CB6B842C" xlink:to="loc_us-gaap_EquityContractMember_818A64C7F4F8C3D75F35BC65CB6BE31D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_FE346315524CF8CF7141BC65CB6B4958" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_51FBDD7E522A726A823DBC65CB6BE009" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_FE346315524CF8CF7141BC65CB6B4958" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BalanceSheetLocationDomain" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_37582FD6557C9D3A38F5BC65CB6B8F2F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_FE346315524CF8CF7141BC65CB6B4958" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_37582FD6557C9D3A38F5BC65CB6B8F2F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OtherLiabilitiesMember" xlink:label="loc_us-gaap_OtherLiabilitiesMember_6E438F50981BA646C47BBC65CB6BF482" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_37582FD6557C9D3A38F5BC65CB6B8F2F" xlink:to="loc_us-gaap_OtherLiabilitiesMember_6E438F50981BA646C47BBC65CB6BF482" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_DerivativeFinancialInstrumentsLineItems" xlink:label="loc_mcy_DerivativeFinancialInstrumentsLineItems_852061B711F85B5700F1BC65CB6B6B3A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsTable_51FBDD7E522A726A823DBC65CB6BE009" xlink:to="loc_mcy_DerivativeFinancialInstrumentsLineItems_852061B711F85B5700F1BC65CB6B6B3A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_941C116CE46758E70313BC65CB6B427E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DerivativeFinancialInstrumentsLineItems_852061B711F85B5700F1BC65CB6B6B3A" xlink:to="loc_us-gaap_DerivativeFairValueOfDerivativeLiability_941C116CE46758E70313BC65CB6B427E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/DerivativeFinancialInstrumentsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract" xlink:label="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_A6BAC750EC1EA3079BD991716B2C5426" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_8604ECBE5BE26783DFE691716B2CE497" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_A6BAC750EC1EA3079BD991716B2C5426" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_8604ECBE5BE26783DFE691716B2CE497" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_ScheduleOfDerivativeGainsAndLossesInConsolidatedStatementsOfOperationsTableTextBlock" xlink:label="loc_mcy_ScheduleOfDerivativeGainsAndLossesInConsolidatedStatementsOfOperationsTableTextBlock_6EBE74435651721834B891716B2CE119" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GeneralDiscussionOfDerivativeInstrumentsAndHedgingActivitiesAbstract_A6BAC750EC1EA3079BD991716B2C5426" xlink:to="loc_mcy_ScheduleOfDerivativeGainsAndLossesInConsolidatedStatementsOfOperationsTableTextBlock_6EBE74435651721834B891716B2CE119" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/DocumentAndEntityInformation" xlink:type="extended">
    <loc xlink:href="mcy-20120630.xsd#mcy_DocumentAndEntityInformationAbstract" xlink:label="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:type="locator" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentType" xlink:label="loc_dei_DocumentType_69A963C208F4C09C346C91716B11EA71" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_DocumentType_69A963C208F4C09C346C91716B11EA71" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_AmendmentFlag" xlink:label="loc_dei_AmendmentFlag_B19739E3B6A4D294538F91716B1144CB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_AmendmentFlag_B19739E3B6A4D294538F91716B1144CB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="loc_dei_DocumentPeriodEndDate_D85D5612B25C5B2EE76791716B11312B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_DocumentPeriodEndDate_D85D5612B25C5B2EE76791716B11312B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="loc_dei_DocumentFiscalYearFocus_7D48EF9C7F77E322C54391716B1122E6" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_DocumentFiscalYearFocus_7D48EF9C7F77E322C54391716B1122E6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="loc_dei_DocumentFiscalPeriodFocus_EDD5F96A77310224B41191716B12A9F3" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_DocumentFiscalPeriodFocus_EDD5F96A77310224B41191716B12A9F3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityRegistrantName" xlink:label="loc_dei_EntityRegistrantName_1504D5B8A722AF8092C291716B12778E" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_EntityRegistrantName_1504D5B8A722AF8092C291716B12778E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="loc_dei_EntityCentralIndexKey_684AC2E0B51ABAC3F56191716B12E422" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_EntityCentralIndexKey_684AC2E0B51ABAC3F56191716B12E422" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="loc_dei_CurrentFiscalYearEndDate_CE36A18247BAC6BC1B2C91716B125AFC" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_CurrentFiscalYearEndDate_CE36A18247BAC6BC1B2C91716B125AFC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityFilerCategory" xlink:label="loc_dei_EntityFilerCategory_C339A4EBEA9AD09DA08E91716B124145" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_EntityFilerCategory_C339A4EBEA9AD09DA08E91716B124145" xlink:type="arc" />
    <loc xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_DD2E26283AA8BB4F24D191716B123CF7" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_DocumentAndEntityInformationAbstract_E59C59DC8212DF7010A291716B114853" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_DD2E26283AA8BB4F24D191716B123CF7" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueMeasurement" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_958A635743F54370C64297C9C50DA283" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementInputsDisclosureTextBlock" xlink:label="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_40294FAD6E767A85778997C9C50DC7DE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_958A635743F54370C64297C9C50DA283" xlink:to="loc_us-gaap_FairValueMeasurementInputsDisclosureTextBlock_40294FAD6E767A85778997C9C50DC7DE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueMeasurementNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_F1BC8897FF8BD2F9BE0BA0263BFDDEA1" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueMeasurementTable" xlink:label="loc_mcy_FairValueMeasurementTable_447ED00DB0223715A1F4A0263BFDC367" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_F1BC8897FF8BD2F9BE0BA0263BFDDEA1" xlink:to="loc_mcy_FairValueMeasurementTable_447ED00DB0223715A1F4A0263BFDC367" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_C57285D6CD7306D772A5A0263BFDCA3C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementTable_447ED00DB0223715A1F4A0263BFDC367" xlink:to="loc_us-gaap_RangeAxis_C57285D6CD7306D772A5A0263BFDCA3C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_7493E2365D0A7A368673A0263BFD35CC" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_C57285D6CD7306D772A5A0263BFDCA3C" xlink:to="loc_us-gaap_RangeMember_7493E2365D0A7A368673A0263BFD35CC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_4EDC330BFD6A1B330BB2A0263BFD53FE" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_7493E2365D0A7A368673A0263BFD35CC" xlink:to="loc_us-gaap_MinimumMember_4EDC330BFD6A1B330BB2A0263BFD53FE" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueMeasurementLineItems" xlink:label="loc_mcy_FairValueMeasurementLineItems_4DF3E2DB8D4C6A92EC34A0263BFD9B37" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementTable_447ED00DB0223715A1F4A0263BFDC367" xlink:to="loc_mcy_FairValueMeasurementLineItems_4DF3E2DB8D4C6A92EC34A0263BFD9B37" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PercentageOfUnadjustedFairValueObtained" xlink:label="loc_mcy_PercentageOfUnadjustedFairValueObtained_1A5F3D5CD14BDDE01543A0263BFE599C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementLineItems_4DF3E2DB8D4C6A92EC34A0263BFD9B37" xlink:to="loc_mcy_PercentageOfUnadjustedFairValueObtained_1A5F3D5CD14BDDE01543A0263BFE599C" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PercentageOfSpecificUnadjustedBrokerQuotesObtained" xlink:label="loc_mcy_PercentageOfSpecificUnadjustedBrokerQuotesObtained_83E138EA972D851024CAA0263BFE29F1" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementLineItems_4DF3E2DB8D4C6A92EC34A0263BFD9B37" xlink:to="loc_mcy_PercentageOfSpecificUnadjustedBrokerQuotesObtained_83E138EA972D851024CAA0263BFE29F1" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_NumberOfKnowledgeableOutsideSecurityBrokersConsultedToDetermineFairValue" xlink:label="loc_mcy_NumberOfKnowledgeableOutsideSecurityBrokersConsultedToDetermineFairValue_6545634D744A3EC57931A0263BFE1297" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementLineItems_4DF3E2DB8D4C6A92EC34A0263BFD9B37" xlink:to="loc_mcy_NumberOfKnowledgeableOutsideSecurityBrokersConsultedToDetermineFairValue_6545634D744A3EC57931A0263BFE1297" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueTransfersBetweenLevelsOneTwoAndThreeAmount" xlink:label="loc_mcy_FairValueTransfersBetweenLevelsOneTwoAndThreeAmount_A7F71E00B3DB55981CA2A0263BFE1ABC" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementLineItems_4DF3E2DB8D4C6A92EC34A0263BFD9B37" xlink:to="loc_mcy_FairValueTransfersBetweenLevelsOneTwoAndThreeAmount_A7F71E00B3DB55981CA2A0263BFE1ABC" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueMeasurementScheduleOfAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisValuationTechniquesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_4978FF4EA8E3D4F57836C03EB04B6EC9" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueMeasurementTable" xlink:label="loc_mcy_FairValueMeasurementTable_1368973793C2779388E6C03EB055F2E2" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_4978FF4EA8E3D4F57836C03EB04B6EC9" xlink:to="loc_mcy_FairValueMeasurementTable_1368973793C2779388E6C03EB055F2E2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EligibleItemOrGroupForFairValueOptionAxis" xlink:label="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_8F4A5D8A57A6A59661D1C03EB05561AF" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementTable_1368973793C2779388E6C03EB055F2E2" xlink:to="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_8F4A5D8A57A6A59661D1C03EB05561AF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_57B86FE3D2E94B1E7D5AC03EB05553FD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_8F4A5D8A57A6A59661D1C03EB05561AF" xlink:to="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_57B86FE3D2E94B1E7D5AC03EB05553FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_23AB4F249C7CFACAC87EC03EB05527AA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_57B86FE3D2E94B1E7D5AC03EB05553FD" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_23AB4F249C7CFACAC87EC03EB05527AA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_BC3D97D3CCE1D32A1540C03EB055797C" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_57B86FE3D2E94B1E7D5AC03EB05553FD" xlink:to="loc_us-gaap_EquitySecuritiesMember_BC3D97D3CCE1D32A1540C03EB055797C" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis" xlink:label="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis_B81AA55CAF388DC8124CC03EB05569FB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementTable_1368973793C2779388E6C03EB055F2E2" xlink:to="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis_B81AA55CAF388DC8124CC03EB05569FB" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain" xlink:label="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupAxis_B81AA55CAF388DC8124CC03EB05569FB" xlink:to="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_USGovernmentAgenciesDebtSecuritiesMember" xlink:label="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_AE6D92F2412D74925358C03EB055FA3A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_USGovernmentAgenciesDebtSecuritiesMember_AE6D92F2412D74925358C03EB055FA3A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_BADDEFBF6C71347F6ED5C03EB055D5FA" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_MunicipalBondsMember_BADDEFBF6C71347F6ED5C03EB055D5FA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember" xlink:label="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember_E03A91E4D724C1322DB4C03EB05519BA" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember_E03A91E4D724C1322DB4C03EB05519BA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_D71A23B6DCE6D1EDB1C0C03EB05511C6" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_D71A23B6DCE6D1EDB1C0C03EB05511C6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CollateralizedDebtObligationsMember" xlink:label="loc_us-gaap_CollateralizedDebtObligationsMember_863131BF94548FF29874C03EB055BA6D" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_CollateralizedDebtObligationsMember_863131BF94548FF29874C03EB055BA6D" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilityEquitiesMember" xlink:label="loc_us-gaap_PublicUtilityEquitiesMember_7F6CBEA3218665218C2AC03EB05F25DE" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_PublicUtilityEquitiesMember_7F6CBEA3218665218C2AC03EB05F25DE" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_BanksTrustAndInsuranceEquitiesMember" xlink:label="loc_us-gaap_BanksTrustAndInsuranceEquitiesMember_5288EE13004D73A29F68C03EB05F7CF1" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_BanksTrustAndInsuranceEquitiesMember_5288EE13004D73A29F68C03EB05F7CF1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IndustrialMiscellaneousAndAllOthersMember" xlink:label="loc_us-gaap_IndustrialMiscellaneousAndAllOthersMember_42065221B4C65E08D00FC03EB05F91F0" xlink:type="locator" />
    <presentationArc order="8" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_IndustrialMiscellaneousAndAllOthersMember_42065221B4C65E08D00FC03EB05F91F0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonredeemablePreferredStockMember" xlink:label="loc_us-gaap_NonredeemablePreferredStockMember_8D6BA318A57770050F7DC03EB05F6234" xlink:type="locator" />
    <presentationArc order="9" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_NonredeemablePreferredStockMember_8D6BA318A57770050F7DC03EB05F6234" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PartnershipInterestInPrivateCreditFundMember" xlink:label="loc_mcy_PartnershipInterestInPrivateCreditFundMember_D017199380FE31A9C9E3C03EB05FEDC6" xlink:type="locator" />
    <presentationArc order="10" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_mcy_PartnershipInterestInPrivateCreditFundMember_D017199380FE31A9C9E3C03EB05FEDC6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermInvestmentsMember" xlink:label="loc_us-gaap_ShortTermInvestmentsMember_9E7B53F4C5C7C050ED5DC06DD41917A3" xlink:type="locator" />
    <presentationArc order="11" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_ShortTermInvestmentsMember_9E7B53F4C5C7C050ED5DC06DD41917A3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_860D89D042FDC8C79E56C03EB05FCA0F" xlink:type="locator" />
    <presentationArc order="12" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_MoneyMarketFundsMember_860D89D042FDC8C79E56C03EB05FCA0F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityContractMember" xlink:label="loc_us-gaap_EquityContractMember_2F203414B842163CEE47C03EB05FE7A9" xlink:type="locator" />
    <presentationArc order="13" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_EquityContractMember_2F203414B842163CEE47C03EB05FE7A9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_3B03694928350C3E75B6C03EB05FAB08" xlink:type="locator" />
    <presentationArc order="14" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueQualitativeDisclosuresRelatedToElectionByEligibleItemOrGroupDomain_879A81BFE401E7400858C03EB0554012" xlink:to="loc_us-gaap_InterestRateSwapMember_3B03694928350C3E75B6C03EB05FAB08" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9EDF41BCDBE0BFA66B9DC03EB05F2DB1" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementTable_1368973793C2779388E6C03EB055F2E2" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9EDF41BCDBE0BFA66B9DC03EB05F2DB1" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4EB7AAC7009D2D61BB9FC03EB05FF69B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_9EDF41BCDBE0BFA66B9DC03EB05F2DB1" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4EB7AAC7009D2D61BB9FC03EB05FF69B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_CABEBDD960EC2208DE9DC03EB05F9498" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4EB7AAC7009D2D61BB9FC03EB05FF69B" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_CABEBDD960EC2208DE9DC03EB05F9498" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_4478234DEF3296109DD0C03EB05FF400" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4EB7AAC7009D2D61BB9FC03EB05FF69B" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_4478234DEF3296109DD0C03EB05FF400" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_CA3F8AC9CFCA417A6DFDC03EB05FB644" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_4EB7AAC7009D2D61BB9FC03EB05FF69B" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_CA3F8AC9CFCA417A6DFDC03EB05FB644" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueMeasurementLineItems" xlink:label="loc_mcy_FairValueMeasurementLineItems_82C4599E18457A2F71BAC03EB05F1226" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementTable_1368973793C2779388E6C03EB055F2E2" xlink:to="loc_mcy_FairValueMeasurementLineItems_82C4599E18457A2F71BAC03EB05F1226" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueAssetsMeasuredOnRecurringBasis" xlink:label="loc_mcy_FairValueAssetsMeasuredOnRecurringBasis_A1F137FA4691B759E7E4C03EB05F9ED8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementLineItems_82C4599E18457A2F71BAC03EB05F1226" xlink:to="loc_mcy_FairValueAssetsMeasuredOnRecurringBasis_A1F137FA4691B759E7E4C03EB05F9ED8" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueLiabilitiesMeasuredOnRecurringBasis" xlink:label="loc_mcy_FairValueLiabilitiesMeasuredOnRecurringBasis_A3F57B0F8B03496E28AEC03EB05FC942" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueMeasurementLineItems_82C4599E18457A2F71BAC03EB05F1226" xlink:to="loc_mcy_FairValueLiabilitiesMeasuredOnRecurringBasis_A3F57B0F8B03496E28AEC03EB05FC942" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueMeasurementSummaryOfChangesInFairValueOfLevel3FinancialAssetsAndFinancialLiabilitiesHeldAtFairValueDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_8D612B512341C45CA728C01C05F6B986" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9850AE73EDB8D2676F9EC01C05F652BB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_8D612B512341C45CA728C01C05F6B986" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9850AE73EDB8D2676F9EC01C05F652BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EligibleItemOrGroupForFairValueOptionAxis" xlink:label="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_C42379C0004657BDC611C01C05F6DB20" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9850AE73EDB8D2676F9EC01C05F652BB" xlink:to="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_C42379C0004657BDC611C01C05F6DB20" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOptionEligibleItemOrGroupDomain" xlink:label="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_3F998EAB7E752E292AE1C01C05F68EA6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EligibleItemOrGroupForFairValueOptionAxis_C42379C0004657BDC611C01C05F6DB20" xlink:to="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_3F998EAB7E752E292AE1C01C05F68EA6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MunicipalBondsMember" xlink:label="loc_us-gaap_MunicipalBondsMember_C8D7158B9537008F8134C01C05F6D375" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_3F998EAB7E752E292AE1C01C05F68EA6" xlink:to="loc_us-gaap_MunicipalBondsMember_C8D7158B9537008F8134C01C05F6D375" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CollateralizedDebtObligationsMember" xlink:label="loc_us-gaap_CollateralizedDebtObligationsMember_ED10B102E407DB5FC561C01C05F6BE85" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_3F998EAB7E752E292AE1C01C05F68EA6" xlink:to="loc_us-gaap_CollateralizedDebtObligationsMember_ED10B102E407DB5FC561C01C05F6BE85" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PartnershipInterestInPrivateCreditFundMember" xlink:label="loc_mcy_PartnershipInterestInPrivateCreditFundMember_64B68EF86C469B7C3583C01C05F65329" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionEligibleItemOrGroupDomain_3F998EAB7E752E292AE1C01C05F68EA6" xlink:to="loc_mcy_PartnershipInterestInPrivateCreditFundMember_64B68EF86C469B7C3583C01C05F65329" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOptionQuantitativeDisclosuresLineItems" xlink:label="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_9850AE73EDB8D2676F9EC01C05F652BB" xlink:to="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_A9BEDD7FC35B70C05D72C01C05F66484" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_A9BEDD7FC35B70C05D72C01C05F66484" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_2865F9AAC05705A7CB2FC01C05F65C26" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_2865F9AAC05705A7CB2FC01C05F65C26" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_D0F0A59488F0170D1C0AC01C05F66EEC" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_D0F0A59488F0170D1C0AC01C05F66EEC" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_A28A2B70BB2A0E65C35AC01C05F685F9" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_A28A2B70BB2A0E65C35AC01C05F685F9" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_64A800C5CC9772ACE91DC01C05F66B04" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_64A800C5CC9772ACE91DC01C05F66B04" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_AmountOfTotalLossesGainsForPeriodIncludedInEarningsAttributableToAssetsStillHeld" xlink:label="loc_mcy_AmountOfTotalLossesGainsForPeriodIncludedInEarningsAttributableToAssetsStillHeld_6F7C80BBDFF39A373D9CC01C05F6FC72" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOptionQuantitativeDisclosuresLineItems_ADF8B3B7CFE94230C864C01C05F66153" xlink:to="loc_mcy_AmountOfTotalLossesGainsForPeriodIncludedInEarningsAttributableToAssetsStillHeld_6F7C80BBDFF39A373D9CC01C05F6FC72" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueMeasurementTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_1249CBB54F93AB0FF1C791716B37D742" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_D86D56351776664C0FE791716B37E8E8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_1249CBB54F93AB0FF1C791716B37D742" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_D86D56351776664C0FE791716B37E8E8" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_3F229D00641B5653DF8F91716B3711C8" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_1249CBB54F93AB0FF1C791716B37D742" xlink:to="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_3F229D00641B5653DF8F91716B3711C8" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstruments" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_D97E19BA92EF096AC43C91716B273459" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_E25915F5FC494120AA2591716B27B113" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_D97E19BA92EF096AC43C91716B273459" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_E25915F5FC494120AA2591716B27B113" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstrumentsEstimatedFairValuesOfFinancialInstrumentsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_C69DA7EC5158F062B653C45C1C67AAEC" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTable" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C4A19E14A84C79F924A4C45C1C68D12F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_C69DA7EC5158F062B653C45C1C67AAEC" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C4A19E14A84C79F924A4C45C1C68D12F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeInstrumentRiskAxis" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_DF762C0AF92A9FE9A895C45C1C68AE8F" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C4A19E14A84C79F924A4C45C1C68D12F" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_DF762C0AF92A9FE9A895C45C1C68AE8F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeContractTypeDomain" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_340010E2B3CDE841AA58C45C1C6864BB" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_DF762C0AF92A9FE9A895C45C1C68AE8F" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_340010E2B3CDE841AA58C45C1C6864BB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquityContractMember" xlink:label="loc_us-gaap_EquityContractMember_B504CE750DC205FA40D2C45C1C68C6E4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_340010E2B3CDE841AA58C45C1C6864BB" xlink:to="loc_us-gaap_EquityContractMember_B504CE750DC205FA40D2C45C1C68C6E4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentAxis" xlink:label="loc_us-gaap_FinancialInstrumentAxis_23C817B73B73F13C597FC45C1C684872" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C4A19E14A84C79F924A4C45C1C68D12F" xlink:to="loc_us-gaap_FinancialInstrumentAxis_23C817B73B73F13C597FC45C1C684872" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_A112F8F9081AE2D1C41DC45C1C68500E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentAxis_23C817B73B73F13C597FC45C1C684872" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_A112F8F9081AE2D1C41DC45C1C68500E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentsMember" xlink:label="loc_us-gaap_InvestmentsMember_959E413F0D9F9F1AF5F7C45C1C68E629" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_A112F8F9081AE2D1C41DC45C1C68500E" xlink:to="loc_us-gaap_InvestmentsMember_959E413F0D9F9F1AF5F7C45C1C68E629" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRateSwapMember" xlink:label="loc_us-gaap_InterestRateSwapMember_0FF0E8C25229048941BBC45C1C68BDD2" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_A112F8F9081AE2D1C41DC45C1C68500E" xlink:to="loc_us-gaap_InterestRateSwapMember_0FF0E8C25229048941BBC45C1C68BDD2" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="loc_us-gaap_SecuredDebtMember_B20BA2693FCF1BC985E9C45C1C68B837" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_A112F8F9081AE2D1C41DC45C1C68500E" xlink:to="loc_us-gaap_SecuredDebtMember_B20BA2693FCF1BC985E9C45C1C68B837" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_A6A355B82EE31E412F5AC45C1C68F63C" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_C4A19E14A84C79F924A4C45C1C68D12F" xlink:to="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_A6A355B82EE31E412F5AC45C1C68F63C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="loc_us-gaap_AssetsAbstract_0291DD76C4E104FC32FAC45C1C699F76" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_A6A355B82EE31E412F5AC45C1C68F63C" xlink:to="loc_us-gaap_AssetsAbstract_0291DD76C4E104FC32FAC45C1C699F76" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_52637D3813AA2F6B87E6C45C1C691BC5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsAbstract_0291DD76C4E104FC32FAC45C1C699F76" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_52637D3813AA2F6B87E6C45C1C691BC5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAbstract" xlink:label="loc_us-gaap_LiabilitiesAbstract_09EC1DD4FA4638C18ACEC45C1C69BC09" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_A6A355B82EE31E412F5AC45C1C68F63C" xlink:to="loc_us-gaap_LiabilitiesAbstract_09EC1DD4FA4638C18ACEC45C1C69BC09" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure" xlink:label="loc_us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure_1ADE64C15EC64388F70AC45C1C69C2C5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_09EC1DD4FA4638C18ACEC45C1C69BC09" xlink:to="loc_us-gaap_DerivativeFinancialInstrumentsLiabilitiesFairValueDisclosure_1ADE64C15EC64388F70AC45C1C69C2C5" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_EquityContractsFinancialInstrumentsLiabilitiesFairValueDisclosure" xlink:label="loc_mcy_EquityContractsFinancialInstrumentsLiabilitiesFairValueDisclosure_EBF202D98A5421859CCAC45C1C694CF6" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_09EC1DD4FA4638C18ACEC45C1C69BC09" xlink:to="loc_mcy_EquityContractsFinancialInstrumentsLiabilitiesFairValueDisclosure_EBF202D98A5421859CCAC45C1C694CF6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DebtInstrumentFairValue" xlink:label="loc_us-gaap_DebtInstrumentFairValue_BC41A75E6F56A7821BB7C45C1C697F1B" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LiabilitiesAbstract_09EC1DD4FA4638C18ACEC45C1C69BC09" xlink:to="loc_us-gaap_DebtInstrumentFairValue_BC41A75E6F56A7821BB7C45C1C697F1B" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstrumentsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_823210489A77B93E8023C476EF58308A" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable" xlink:label="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_4993D56A2B3871D7E7F5C476EF5844FD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_823210489A77B93E8023C476EF58308A" xlink:to="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_4993D56A2B3871D7E7F5C476EF5844FD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_E287A6D8A195968F50A7C476EF58692A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_4993D56A2B3871D7E7F5C476EF5844FD" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_E287A6D8A195968F50A7C476EF58692A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain" xlink:label="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_1D12D34F683E4137CB33C476EF59BD30" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseAxis_E287A6D8A195968F50A7C476EF58692A" xlink:to="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_1D12D34F683E4137CB33C476EF59BD30" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_SecuredNotesOneMember" xlink:label="loc_mcy_SecuredNotesOneMember_EBCC51AB355E56E229C7C476EF59F5E9" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_1D12D34F683E4137CB33C476EF59BD30" xlink:to="loc_mcy_SecuredNotesOneMember_EBCC51AB355E56E229C7C476EF59F5E9" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_SecuredNotesTwoMember" xlink:label="loc_mcy_SecuredNotesTwoMember_47BBC2110BF7ED7C2D7DC476EF5A3D93" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AssetsSoldUnderAgreementsToRepurchaseTypeDomain_1D12D34F683E4137CB33C476EF59BD30" xlink:to="loc_mcy_SecuredNotesTwoMember_47BBC2110BF7ED7C2D7DC476EF5A3D93" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems" xlink:label="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_A2F28BB442DD002EAC01C476EF5A2CCF" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable_4993D56A2B3871D7E7F5C476EF5844FD" xlink:to="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_A2F28BB442DD002EAC01C476EF5A2CCF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebt" xlink:label="loc_us-gaap_SecuredDebt_42BAE6836920C0C89B85C476EF5ACE70" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems_A2F28BB442DD002EAC01C476EF5A2CCF" xlink:to="loc_us-gaap_SecuredDebt_42BAE6836920C0C89B85C476EF5ACE70" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueOfFinancialInstrumentsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:label="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_2ACC00B4771F840E15B591716B38BD4A" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_EstimatedFairValuesOfFinancialInstrumentsTableTextBlock" xlink:label="loc_mcy_EstimatedFairValuesOfFinancialInstrumentsTableTextBlock_B15F7EB67CD3DD57F6DD91716B38F8E6" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_2ACC00B4771F840E15B591716B38BD4A" xlink:to="loc_mcy_EstimatedFairValuesOfFinancialInstrumentsTableTextBlock_B15F7EB67CD3DD57F6DD91716B38F8E6" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueOption" xlink:type="extended">
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueOptionAbstract" xlink:label="loc_mcy_FairValueOptionAbstract_1BDB485CB5F2C3E2225791716B4940F9" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOptionTextBlock" xlink:label="loc_us-gaap_FairValueOptionTextBlock_6C013B0B0AE9110CF15691716B497C6E" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueOptionAbstract_1BDB485CB5F2C3E2225791716B4940F9" xlink:to="loc_us-gaap_FairValueOptionTextBlock_6C013B0B0AE9110CF15691716B497C6E" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueOptionGainsAndLossesDueToChangesInFairValueOfInvestmentsDetails" xlink:type="extended">
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueOptionAbstract" xlink:label="loc_mcy_FairValueOptionAbstract_E7637BC0B1D76AFB0C71C45C1C37191C" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable" xlink:label="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable_04AB45B38361688DF35FC45C1C379A03" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueOptionAbstract_E7637BC0B1D76AFB0C71C45C1C37191C" xlink:to="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable_04AB45B38361688DF35FC45C1C379A03" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis" xlink:label="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis_76160482CA3627736EEBC45C1C37CCB3" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable_04AB45B38361688DF35FC45C1C379A03" xlink:to="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis_76160482CA3627736EEBC45C1C37CCB3" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentCategoryDomain" xlink:label="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentCategoryDomain_331FFA3511120351E418C45C1C389170" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis_76160482CA3627736EEBC45C1C37CCB3" xlink:to="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentCategoryDomain_331FFA3511120351E418C45C1C389170" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FixedIncomeSecuritiesMember" xlink:label="loc_us-gaap_FixedIncomeSecuritiesMember_7E7D5FBC489BDAA83303C45C1C3842F4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentCategoryDomain_331FFA3511120351E418C45C1C389170" xlink:to="loc_us-gaap_FixedIncomeSecuritiesMember_7E7D5FBC489BDAA83303C45C1C3842F4" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EquitySecuritiesMember" xlink:label="loc_us-gaap_EquitySecuritiesMember_98DFDFC86500ACF34F86C45C1C38DB05" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentCategoryDomain_331FFA3511120351E418C45C1C389170" xlink:to="loc_us-gaap_EquitySecuritiesMember_98DFDFC86500ACF34F86C45C1C38DB05" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermInvestmentsMember" xlink:label="loc_us-gaap_ShortTermInvestmentsMember_14F6DE18C874E8791303C45C1C38296E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentCategoryDomain_331FFA3511120351E418C45C1C389170" xlink:to="loc_us-gaap_ShortTermInvestmentsMember_14F6DE18C874E8791303C45C1C38296E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentLineItems" xlink:label="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentLineItems_BA077C73AA16C61B7BEFC45C1C38DE67" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentTable_04AB45B38361688DF35FC45C1C379A03" xlink:to="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentLineItems_BA077C73AA16C61B7BEFC45C1C38DE67" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FairValueOptionChangesInFairValueGainLoss1" xlink:label="loc_us-gaap_FairValueOptionChangesInFairValueGainLoss1_56B9D6BD779E84B21FE9C45C1C38F244" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentLineItems_BA077C73AA16C61B7BEFC45C1C38DE67" xlink:to="loc_us-gaap_FairValueOptionChangesInFairValueGainLoss1_56B9D6BD779E84B21FE9C45C1C38F244" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/FairValueOptionTables" xlink:type="extended">
    <loc xlink:href="mcy-20120630.xsd#mcy_FairValueOptionAbstract" xlink:label="loc_mcy_FairValueOptionAbstract_404E9879C3CEC384705291716B2BB885" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_DC0601CA9D1A60C68C7A91716B2CDBC0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_FairValueOptionAbstract_404E9879C3CEC384705291716B2BB885" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_DC0601CA9D1A60C68C7A91716B2CDBC0" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/General" xlink:type="extended">
    <loc xlink:href="mcy-20120630.xsd#mcy_GeneralAbstract" xlink:label="loc_mcy_GeneralAbstract_0CD3F32E6B097F570C7291716B2B8259" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_1C112C3B5DAE1649FB4291716B2B6B00" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_0CD3F32E6B097F570C7291716B2B8259" xlink:to="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_1C112C3B5DAE1649FB4291716B2B6B00" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/GeneralDetails" xlink:type="extended">
    <loc xlink:href="mcy-20120630.xsd#mcy_GeneralAbstract" xlink:label="loc_mcy_GeneralAbstract_929D63B3022F53CA71FDA6CAFAE02C68" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_EF87382055A096B4618FA6CAFAE2E01A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_929D63B3022F53CA71FDA6CAFAE02C68" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_EF87382055A096B4618FA6CAFAE2E01A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense" xlink:label="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_307ADA6C92DD60CD37F4A6CAFAE4B9C0" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_929D63B3022F53CA71FDA6CAFAE02C68" xlink:to="loc_us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_307ADA6C92DD60CD37F4A6CAFAE4B9C0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdvertisingExpense" xlink:label="loc_us-gaap_AdvertisingExpense_A8287809EEAB93F9164BA6CAFAE44071" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_929D63B3022F53CA71FDA6CAFAE02C68" xlink:to="loc_us-gaap_AdvertisingExpense_A8287809EEAB93F9164BA6CAFAE44071" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/GeneralPolicy" xlink:type="extended">
    <loc xlink:href="mcy-20120630.xsd#mcy_GeneralAbstract" xlink:label="loc_mcy_GeneralAbstract_6BC4F4CE43D381C46DF097C9C522C8D7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock" xlink:label="loc_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_9EF31DDCFFB2A19544B797C9C522AC6A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_6BC4F4CE43D381C46DF097C9C522C8D7" xlink:to="loc_us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock_9EF31DDCFFB2A19544B797C9C522AC6A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UseOfEstimates" xlink:label="loc_us-gaap_UseOfEstimates_22C05E927D95D0A219FB97C9C5220068" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_6BC4F4CE43D381C46DF097C9C522C8D7" xlink:to="loc_us-gaap_UseOfEstimates_22C05E927D95D0A219FB97C9C5220068" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="loc_us-gaap_EarningsPerSharePolicyTextBlock_E2167DEB579F32FC286597C9C5221DB5" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_6BC4F4CE43D381C46DF097C9C522C8D7" xlink:to="loc_us-gaap_EarningsPerSharePolicyTextBlock_E2167DEB579F32FC286597C9C5221DB5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy" xlink:label="loc_us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy_BF2224CF71B9D4839CCE97C9C5227E8A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_mcy_GeneralAbstract_6BC4F4CE43D381C46DF097C9C522C8D7" xlink:to="loc_us-gaap_CapitalizationOfDeferredPolicyAcquisitionCostsPolicy_BF2224CF71B9D4839CCE97C9C5227E8A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssets" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_2232DD43855F2C120DB0BC136A957DF0" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_BCED727BA3D4F5566CE9BC136A9594BD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_2232DD43855F2C120DB0BC136A957DF0" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_BCED727BA3D4F5566CE9BC136A9594BD" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_1CAC48F6C55BFF053A6ABC136A923AE4" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_CB3C3A4E70CCD53B0174BC136A928CA8" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_1CAC48F6C55BFF053A6ABC136A923AE4" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_CB3C3A4E70CCD53B0174BC136A928CA8" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsScheduleOfComponentsOfOtherIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_1750081757A6B4DB3126C989926FFA78" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5544A7F4F00FAD4050B8C989926FDCFD" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_1750081757A6B4DB3126C989926FFA78" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5544A7F4F00FAD4050B8C989926FDCFD" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C18D34A53DF256030136C989926F3477" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5544A7F4F00FAD4050B8C989926FDCFD" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C18D34A53DF256030136C989926F3477" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_301FE3E8BD57FA6A79ECC989926F86B5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_C18D34A53DF256030136C989926F3477" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_301FE3E8BD57FA6A79ECC989926F86B5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_3A046E4CF034E3E259CCC989926FA187" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_301FE3E8BD57FA6A79ECC989926F86B5" xlink:to="loc_us-gaap_CustomerRelationshipsMember_3A046E4CF034E3E259CCC989926FA187" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_5AD3A9889B36181C725AC989926FF59B" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_301FE3E8BD57FA6A79ECC989926F86B5" xlink:to="loc_us-gaap_TradeNamesMember_5AD3A9889B36181C725AC989926FF59B" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComputerSoftwareIntangibleAssetMember" xlink:label="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_7086B952CD2709244267C989926F353E" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_301FE3E8BD57FA6A79ECC989926F86B5" xlink:to="loc_us-gaap_ComputerSoftwareIntangibleAssetMember_7086B952CD2709244267C989926F353E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_TechnologyEquipmentMember" xlink:label="loc_us-gaap_TechnologyEquipmentMember_13B14A8D739BC3F5ABDDC989926F823E" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_301FE3E8BD57FA6A79ECC989926F86B5" xlink:to="loc_us-gaap_TechnologyEquipmentMember_13B14A8D739BC3F5ABDDC989926F823E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_OffMarketFavorableLeaseMember" xlink:label="loc_us-gaap_OffMarketFavorableLeaseMember_C958674EA4AEC8A5226FC989926F658A" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_301FE3E8BD57FA6A79ECC989926F86B5" xlink:to="loc_us-gaap_OffMarketFavorableLeaseMember_C958674EA4AEC8A5226FC989926F658A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2FC680E830F4F120C0E2C989926F8A44" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_5544A7F4F00FAD4050B8C989926FDCFD" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2FC680E830F4F120C0E2C989926F8A44" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_6709B1D84173509D2CDDC989926FA444" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2FC680E830F4F120C0E2C989926F8A44" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_6709B1D84173509D2CDDC989926FA444" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_B4465F00A239B78D5DB9C989926F755F" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2FC680E830F4F120C0E2C989926F8A44" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_B4465F00A239B78D5DB9C989926F755F" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_552F14E475BC878A0ED1C989926FE2EF" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2FC680E830F4F120C0E2C989926F8A44" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_552F14E475BC878A0ED1C989926FE2EF" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7FE378343E7028252696C9899279F394" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_2FC680E830F4F120C0E2C989926F8A44" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_7FE378343E7028252696C9899279F394" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsScheduleOfEstimatedFutureAmortizationExpenseRelatedToIntangibleAssetsDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_7765509A6943C83BBF5FC989926FDA56" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_7765509A6943C83BBF5FC989926FDA56" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_EF605639AAF70C03BB9FC989926FD231" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_EF605639AAF70C03BB9FC989926FD231" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_9B6C148C2C3AAF7926B0C989926F53FA" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_9B6C148C2C3AAF7926B0C989926F53FA" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_0FC307696290B26855B5C989926FD50A" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_0FC307696290B26855B5C989926FD50A" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_920B500F799FD9E1D045C989926F731C" xlink:type="locator" />
    <presentationArc order="5" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_920B500F799FD9E1D045C989926F731C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_968235F38CBEB606D3C1C989926F8A01" xlink:type="locator" />
    <presentationArc order="6" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_968235F38CBEB606D3C1C989926F8A01" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_CADE8C513FA3325B2BEAC989926FECCE" xlink:type="locator" />
    <presentationArc order="7" preferredLabel="http://www.xbrl.org/2003/role/totalLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_E5B8CF65E1E727929E79C989926F9A65" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_CADE8C513FA3325B2BEAC989926FECCE" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/GoodwillAndOtherIntangibleAssetsTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_06801911D3ADB41799BEBC136A944566" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_7A87AC29D3F23B55432ABC136A94EDD0" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_06801911D3ADB41799BEBC136A944566" xlink:to="loc_us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock_7A87AC29D3F23B55432ABC136A94EDD0" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfExpectedAmortizationExpenseTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfExpectedAmortizationExpenseTableTextBlock_14148561572D83AE9936BC136A94D439" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract_06801911D3ADB41799BEBC136A944566" xlink:to="loc_us-gaap_ScheduleOfExpectedAmortizationExpenseTableTextBlock_14148561572D83AE9936BC136A94D439" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/IncomeTaxes" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="loc_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_457C6F4086EF8951887591716B296EED" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_C479C71F2162D23CC1A891716B290E3A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_457C6F4086EF8951887591716B296EED" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_C479C71F2162D23CC1A891716B290E3A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/IncomeTaxesDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="loc_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_23313B0C4EB1326631EE97628984D780" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PercentageOfLargestAmountOfTaxBenefitRealized" xlink:label="loc_mcy_PercentageOfLargestAmountOfTaxBenefitRealized_989A83016D718C0F9C9F97628984CE57" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ComponentsOfIncomeTaxExpenseBenefitContinuingOperationsAbstract_23313B0C4EB1326631EE97628984D780" xlink:to="loc_mcy_PercentageOfLargestAmountOfTaxBenefitRealized_989A83016D718C0F9C9F97628984CE57" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/RecentlyIssuedAccountingStandards" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract" xlink:label="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_F3A5D9B73139959264D491716B1D7BF7" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted" xlink:label="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_A5AD7661F9D96CC199E091716B1D25AA" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NewAccountingPronouncementsAndChangesInAccountingPrinciplesAbstract_F3A5D9B73139959264D491716B1D7BF7" xlink:to="loc_us-gaap_DescriptionOfNewAccountingPronouncementsNotYetAdopted_A5AD7661F9D96CC199E091716B1D25AA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ShareBasedCompensation" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_EFCBB2A8F2D5D1111A6791716B1F1D06" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_14F6708C6073721640BA91716B1F472A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_EFCBB2A8F2D5D1111A6791716B1F1D06" xlink:to="loc_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_14F6708C6073721640BA91716B1F472A" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ShareBasedCompensationNarrativeDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_0466BB516CE4A368828EBF39EEA7293D" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7484666D47119DA38AE8BF4F8DCDD655" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_0466BB516CE4A368828EBF39EEA7293D" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7484666D47119DA38AE8BF4F8DCDD655" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AwardTypeAxis" xlink:label="loc_us-gaap_AwardTypeAxis_2074B0630340DCE5FDD2BF4F8DCDC90C" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7484666D47119DA38AE8BF4F8DCDD655" xlink:to="loc_us-gaap_AwardTypeAxis_2074B0630340DCE5FDD2BF4F8DCDC90C" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_79652738F76466910A26BF4F8DCDDF66" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AwardTypeAxis_2074B0630340DCE5FDD2BF4F8DCDC90C" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_79652738F76466910A26BF4F8DCDDF66" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_OptionsGrantedPriorToTwoThousandEightMember" xlink:label="loc_mcy_OptionsGrantedPriorToTwoThousandEightMember_433EA2D2CCC2D2EB4E36BF4F8DCD3F3B" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_79652738F76466910A26BF4F8DCDDF66" xlink:to="loc_mcy_OptionsGrantedPriorToTwoThousandEightMember_433EA2D2CCC2D2EB4E36BF4F8DCD3F3B" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_OptionsGrantedSubsequentToJanuaryOneTwoThousandEightMember" xlink:label="loc_mcy_OptionsGrantedSubsequentToJanuaryOneTwoThousandEightMember_FBB697F954780CC77F49BF4F8DCD3AAB" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_79652738F76466910A26BF4F8DCDDF66" xlink:to="loc_mcy_OptionsGrantedSubsequentToJanuaryOneTwoThousandEightMember_FBB697F954780CC77F49BF4F8DCD3AAB" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_AB5575D46F4C1C523D45BF4F8DCD834E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7484666D47119DA38AE8BF4F8DCDD655" xlink:to="loc_us-gaap_RangeAxis_AB5575D46F4C1C523D45BF4F8DCD834E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_DE2491F02E8EADE65C80BF4F8DCD48A5" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeAxis_AB5575D46F4C1C523D45BF4F8DCD834E" xlink:to="loc_us-gaap_RangeMember_DE2491F02E8EADE65C80BF4F8DCD48A5" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_C149AD6177732473CE9EBF4F8DCD1094" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_DE2491F02E8EADE65C80BF4F8DCD48A5" xlink:to="loc_us-gaap_MinimumMember_C149AD6177732473CE9EBF4F8DCD1094" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_7201001EFD500047C42FBF4F8DCDF92E" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RangeMember_DE2491F02E8EADE65C80BF4F8DCD48A5" xlink:to="loc_us-gaap_MaximumMember_7201001EFD500047C42FBF4F8DCDF92E" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7EF3DF94AF3AC1404645BF4F8DCDCBB6" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_7484666D47119DA38AE8BF4F8DCDD655" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7EF3DF94AF3AC1404645BF4F8DCDCBB6" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_AB4EF1F9647274313446BF4F8DCD329A" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7EF3DF94AF3AC1404645BF4F8DCDCBB6" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_AB4EF1F9647274313446BF4F8DCD329A" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PerformancePeriodOfRestrictedStockAndRestrictedStockUnits" xlink:label="loc_mcy_PerformancePeriodOfRestrictedStockAndRestrictedStockUnits_7A44B845668BB01F28B4BF4F8DCD79AC" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_7EF3DF94AF3AC1404645BF4F8DCDCBB6" xlink:to="loc_mcy_PerformancePeriodOfRestrictedStockAndRestrictedStockUnits_7A44B845668BB01F28B4BF4F8DCD79AC" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ShareBasedCompensationScheduleOfPerformanceVestingRestrictedStockUnitsGrantedDetails" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_9E871229598B5841086991716B28F1F2" xlink:type="locator" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PerformanceVestingRestrictedStockUnitsThreeYearPerformancePeriodEndingYears" xlink:label="loc_mcy_PerformanceVestingRestrictedStockUnitsThreeYearPerformancePeriodEndingYears_B62EEA5CFD3CEF3DC73991716B28C334" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_9E871229598B5841086991716B28F1F2" xlink:to="loc_mcy_PerformanceVestingRestrictedStockUnitsThreeYearPerformancePeriodEndingYears_B62EEA5CFD3CEF3DC73991716B28C334" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_9D60D2BCF32CA36ADF8491716B289872" xlink:type="locator" />
    <presentationArc order="2" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_9E871229598B5841086991716B28F1F2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_9D60D2BCF32CA36ADF8491716B289872" xlink:type="arc" />
    <loc xlink:href="mcy-20120630.xsd#mcy_PerformanceVestingRestrictedStockUnitsVestingSharesMaximum" xlink:label="loc_mcy_PerformanceVestingRestrictedStockUnitsVestingSharesMaximum_4217F3267BDAD4B575AC91716B28E054" xlink:type="locator" />
    <presentationArc order="3" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_9E871229598B5841086991716B28F1F2" xlink:to="loc_mcy_PerformanceVestingRestrictedStockUnitsVestingSharesMaximum_4217F3267BDAD4B575AC91716B28E054" xlink:type="arc" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_C08A3D958A149D99C4B591716B2800DA" xlink:type="locator" />
    <presentationArc order="4" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_9E871229598B5841086991716B28F1F2" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_C08A3D958A149D99C4B591716B2800DA" xlink:type="arc" />
  </presentationLink>
  <presentationLink xlink:role="http://www.mercuryinsurance.com/role/ShareBasedCompensationTables" xlink:type="extended">
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract" xlink:label="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_BAE8252203140E8E03D191716B36D38F" xlink:type="locator" />
    <loc xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock_4AB4CC5633E7640DE65191716B3656D4" xlink:type="locator" />
    <presentationArc order="1" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShareBasedCompensationAllocationAndClassificationInFinancialStatementsAbstract_BAE8252203140E8E03D191716B36D38F" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsVestedAndExpectedToVestTableTextBlock_4AB4CC5633E7640DE65191716B3656D4" xlink:type="arc" />
  </presentationLink>
</linkbase>
