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<!--XBRL document created with Bowne Tagger. XBRL Parser version 10.0.0.38-->
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<!--Created on: 5/29/2009 11:47:09 PM-->
<!--Modified on: 11/7/2009 1:30:14 AM-->
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        <link:definition>0620 - Disclosure - Related Party Transactions</link:definition>
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        <link:definition>0619 - Disclosure - Restructuring Charge</link:definition>
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        <link:definition>0615 - Disclosure - Employee Benefit Plans</link:definition>
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        <link:definition>0613 - Disclosure - Stockholders Equity and Earnings Per Share</link:definition>
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        <link:definition>0611 - Disclosure - Goodwill and Intangible Assets</link:definition>
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        <link:definition>0610 - Disclosure - Loans, Notes, Mortgages and Related Commitments to Extend Credit</link:definition>
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        <link:definition>0608 - Disclosure - Investment Securities</link:definition>
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        <link:definition>0607 - Disclosure - Securities Financing Transactions</link:definition>
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        <link:definition>0606 - Disclosure - Derivatives</link:definition>
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        <link:definition>0604 - Disclosure - Fair Value Disclosures</link:definition>
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        <link:definition>0603 - Disclosure - Segment and Geographic Information</link:definition>
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        <link:definition>0602 - Disclosure - Acquisition and Subsequent Transactions with Bank of America Corporation</link:definition>
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        <link:definition>00 - Document - Document and Company Information</link:definition>
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        <link:definition>03 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</link:definition>
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        <link:definition>021 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) (Unaudited)</link:definition>
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        <link:definition>0616 - Disclosure - Income Taxes</link:definition>
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  <element id="mer_OtherCommonStockTransactions" name="OtherCommonStockTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mer_LoansNotesAndMortgagesHeldForInvestment" name="LoansNotesAndMortgagesHeldForInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mer_ProceedsFromPaymentsForInvestingActivities" name="ProceedsFromPaymentsForInvestingActivities" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_ChangesInBrokersAndDealersPayables" name="ChangesInBrokersAndDealersPayables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_PayablesUnderSecuritiesLoanedTransactions" name="PayablesUnderSecuritiesLoanedTransactions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mer_PayablesUnderRepurchaseAgreements" name="PayablesUnderRepurchaseAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mer_ReceivablesUnderResaleAgreements" name="ReceivablesUnderResaleAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_CashAndSecuritiesSegregatedForRegulatoryPurposesOrDepositedWithClearingOrganizations" name="CashAndSecuritiesSegregatedForRegulatoryPurposesOrDepositedWithClearingOrganizations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_ChangeInTradingAssets" name="ChangeInTradingAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_ManagedAccountsAndOtherFeeBasedRevenue" name="ManagedAccountsAndOtherFeeBasedRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_SuccessorCompanyMember" name="SuccessorCompanyMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
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  <element id="mer_EarningsFromEquityMethodInvestments" name="EarningsFromEquityMethodInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_ProceedsFromPaymentsForFinancingActivities" name="ProceedsFromPaymentsForFinancingActivities" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_MunicipalsMoneyMarketsAndOtherLiabilities" name="MunicipalsMoneyMarketsAndOtherLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <element id="mer_ProceedsFromLoansNotesAndMortgagesHeldForSale" name="ProceedsFromLoansNotesAndMortgagesHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_OtherChangesInLoansNotesAndMortgagesHeldForSale" name="OtherChangesInLoansNotesAndMortgagesHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" />
  <element id="mer_PreferredStockLiquidationPreferenceOf30000PerShareMember" name="PreferredStockLiquidationPreferenceOf30000PerShareMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_PreferredStockLiquidationPreferenceOf1000PerShareMember" name="PreferredStockLiquidationPreferenceOf1000PerShareMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_PortionOfOtherThanTemporaryImpairmentLossesRecognizedInOCIOnAFSDebtSecurities" name="PortionOfOtherThanTemporaryImpairmentLossesRecognizedInOCIOnAFSDebtSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mer_TotalOtherThanTemporaryImpairmentLossesOnAFSDebtSecurities" name="TotalOtherThanTemporaryImpairmentLossesOnAFSDebtSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mer_PaymentRelatedToPriceResetOnCommonStockOffering" name="PaymentRelatedToPriceResetOnCommonStockOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" />
  <element id="mer_FairValueOfFinancialInstrumentsAbstract" name="FairValueOfFinancialInstrumentsAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_SaleOfBusinessAbstract" name="SaleOfBusinessAbstract" abstract="true" type="xbrli:stringItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_FairValueOfFinancialInstrumentsTextBlock" name="FairValueOfFinancialInstrumentsTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_SaleOfBusinessTextBlock" name="SaleOfBusinessTextBlock" type="us-types:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <element id="mer_PreferredStockLiquidationPreferenceOf100000PerShareMember" name="PreferredStockLiquidationPreferenceOf100000PerShareMember" type="us-types:domainItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
</schema>

