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    <link:label id="lab_mer_CobrosYPagosDePasivosFinancieros_documentation_es" xlink:label="lab_mer_CobrosYPagosDePasivosFinancieros" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Cobros y pagos de pasivos financieros</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_CobrosYPagosDePasivosFinancieros" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_CobrosYPagosDePasivosFinancieros"/>
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    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceIncome" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForFinanceIncome"/>
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    <link:label id="lab_mer_SubtotalActivosFinancierosNoCorrientes_documentation_es" xlink:label="lab_mer_SubtotalActivosFinancierosNoCorrientes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Subtotal activos financieros no corrientes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_SubtotalActivosFinancierosNoCorrientes" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_SubtotalActivosFinancierosNoCorrientes"/>
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    <link:label id="lab_mer_DistribucionDeLosResultados_2c988528-488e-4a3f-82fd-61aa54111de0_netLabel_es" xlink:label="lab_mer_DistribucionDeLosResultados" xlink:role="http://www.xbrl.org/2009/role/netLabel" xlink:type="resource" xml:lang="es">Distribución de los resultados</link:label>
    <link:label id="lab_mer_DistribucionDeLosResultados_label_es" xlink:label="lab_mer_DistribucionDeLosResultados" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Distribución de los resultados</link:label>
    <link:label id="lab_mer_DistribucionDeLosResultados_documentation_es" xlink:label="lab_mer_DistribucionDeLosResultados" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Distribución de los resultados</link:label>
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    <link:label id="lab_mer_OtrosInstrumentosDeCapital_label_es" xlink:label="lab_mer_OtrosInstrumentosDeCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otros instrumentos de capital</link:label>
    <link:label id="lab_mer_OtrosInstrumentosDeCapital_documentation_es" xlink:label="lab_mer_OtrosInstrumentosDeCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Otros instrumentos de capital</link:label>
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    <link:label id="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures_b88a8ce6-252c-47a5-9e3d-ab0db4e92665_negatedTerseLabel_es" xlink:label="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Reembolsos de obligaciones con y sin garantía y pagarés</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_RepaymentsOfBondsNotesAndDebentures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:to="lab_ifrs-full_RepaymentsOfBondsNotesAndDebentures" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_CobrosYPagosDeInstrumentosDeCapital_f8ad04a4-9715-4eb4-ae59-9a16258097d4_negatedTotalLabel_es" xlink:label="lab_mer_CobrosYPagosDeInstrumentosDeCapital" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel" xlink:type="resource" xml:lang="es">Cobros y pagos de instrumentos de capital</link:label>
    <link:label id="lab_mer_CobrosYPagosDeInstrumentosDeCapital_label_es" xlink:label="lab_mer_CobrosYPagosDeInstrumentosDeCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Cobros y pagos de instrumentos de capital</link:label>
    <link:label id="lab_mer_CobrosYPagosDeInstrumentosDeCapital_documentation_es" xlink:label="lab_mer_CobrosYPagosDeInstrumentosDeCapital" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Cobros y pagos de instrumentos de capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_CobrosYPagosDeInstrumentosDeCapital" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_CobrosYPagosDeInstrumentosDeCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_CobrosYPagosDeInstrumentosDeCapital" xlink:to="lab_mer_CobrosYPagosDeInstrumentosDeCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForFinanceIncomeCost_90648363-11f4-47d7-bd2e-3b1fc14ab1cc_negatedTerseLabel_es" xlink:label="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Ajustes por ingreso (coste) financiero</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForFinanceIncomeCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:to="lab_ifrs-full_AdjustmentsForFinanceIncomeCost" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_OtrasAportacionesDeLosAccionistas_label_es" xlink:label="lab_mer_OtrasAportacionesDeLosAccionistas" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otras aportaciones de los accionistas</link:label>
    <link:label id="lab_mer_OtrasAportacionesDeLosAccionistas_documentation_es" xlink:label="lab_mer_OtrasAportacionesDeLosAccionistas" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Otras aportaciones de los accionistas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_OtrasAportacionesDeLosAccionistas" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_OtrasAportacionesDeLosAccionistas"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_OtrasAportacionesDeLosAccionistas" xlink:to="lab_mer_OtrasAportacionesDeLosAccionistas" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos_label_es" xlink:label="lab_mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Ajustes por disminución aumento de otros activos y pasivos</link:label>
    <link:label id="lab_mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos_documentation_es" xlink:label="lab_mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Adjustments for decrease (increase) in other assets and liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos" xlink:to="lab_mer_AjustesPorDisminucionAumentoDeOtrosActivosYPasivos" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas_label_es" xlink:label="lab_mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otro resultado global neto de impuestos coberturas de flujos de tesorería operaciones continuadas</link:label>
    <link:label id="lab_mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas_documentation_es" xlink:label="lab_mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Otro resultado global neto de impuestos coberturas de flujos de tesorería operaciones continuadas</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas" xlink:to="lab_mer_OtroResultadoGlobalNetoDeImpuestosCoberturasDeFlujosDeTesoreriaOperacionesContinuadas" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_IngresosPorVentasDeInversiones_a8b952ba-1ea8-4cca-8ed6-53c9a4339e9b_totalLabel_es" xlink:label="lab_mer_IngresosPorVentasDeInversiones" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Ingresos por ventas de inversiones</link:label>
    <link:label id="lab_mer_IngresosPorVentasDeInversiones_label_es" xlink:label="lab_mer_IngresosPorVentasDeInversiones" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Ingresos por ventas de inversiones</link:label>
    <link:label id="lab_mer_IngresosPorVentasDeInversiones_documentation_es" xlink:label="lab_mer_IngresosPorVentasDeInversiones" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Ingresos por ventas de inversiones</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_IngresosPorVentasDeInversiones" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_IngresosPorVentasDeInversiones"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_IngresosPorVentasDeInversiones" xlink:to="lab_mer_IngresosPorVentasDeInversiones" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_EmployeeBenefitsExpense_db5919cf-b358-4cd1-b2ef-5ac92b94fc0c_negatedTerseLabel_es" xlink:label="lab_ifrs-full_EmployeeBenefitsExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Gastos por retribuciones a los empleados</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_EmployeeBenefitsExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_EmployeeBenefitsExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_EmployeeBenefitsExpense" xlink:to="lab_ifrs-full_EmployeeBenefitsExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables_4ca4f2e8-20e5-4b38-b9cd-b115f9de2ebc_negatedTerseLabel_es" xlink:label="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Ajustes por decremento (incremento) de cuentas comerciales y otras cuentas a cobrar</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:to="lab_ifrs-full_AdjustmentsForDecreaseIncreaseInTradeAndOtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_DepreciationAndAmortisationExpense_baff96dc-0663-47c4-8836-c3e8d9666814_negatedTerseLabel_es" xlink:label="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Gastos por depreciación y amortización</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_DepreciationAndAmortisationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_DepreciationAndAmortisationExpense" xlink:to="lab_ifrs-full_DepreciationAndAmortisationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock_label_es" xlink:label="lab_mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Riesgo de tipo de interés en los flujos de tesorería y riesgo de valor razonable [Text Block]</link:label>
    <link:label id="lab_mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock_documentation_es" xlink:label="lab_mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Riesgo de tipo de interés en los flujos de tesorería y riesgo de valor razonable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock" xlink:to="lab_mer_RiesgoDeTipoDeInterésEnLosFlujosDeTesoreríaYRiesgoDeValorRazonableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions_cb0bfc54-7f86-48a1-840e-be7852506aaa_totalLabel_es" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Incremento (decremento) por transacciones con acciones propias, patrimonio neto</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_PurchaseOfInvestmentProperty_e61b881d-2479-4713-a2c6-05b9eae75d0e_negatedTerseLabel_es" xlink:label="lab_ifrs-full_PurchaseOfInvestmentProperty" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Adquisición de inversiones inmobiliarias</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_PurchaseOfInvestmentProperty" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_PurchaseOfInvestmentProperty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_PurchaseOfInvestmentProperty" xlink:to="lab_ifrs-full_PurchaseOfInvestmentProperty" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock_label_es" xlink:label="lab_mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Divulgación de información relacionada con el medio ambiente [Text Block]</link:label>
    <link:label id="lab_mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock_documentation_es" xlink:label="lab_mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Divulgación de información relacionada con el medio ambiente</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock" xlink:to="lab_mer_DivulgaciónDeInformaciónRelacionadaConElMedioAmbienteTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_ProceedsFromSalesOfInvestmentProperty_629c7652-046f-48da-94b1-dfe1604e4df5_negatedTerseLabel_es" xlink:label="lab_ifrs-full_ProceedsFromSalesOfInvestmentProperty" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Cobros procedentes de las ventas de inversiones inmobiliarias</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_ProceedsFromSalesOfInvestmentProperty" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_ProceedsFromSalesOfInvestmentProperty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_ProceedsFromSalesOfInvestmentProperty" xlink:to="lab_ifrs-full_ProceedsFromSalesOfInvestmentProperty" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod_9ca8b8ef-ca43-4e58-81cb-712a7de91ef4_negatedTerseLabel_es" xlink:label="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="es">Ajustes por ganancias no distribuidas de inversiones contabilizadas utilizando el método de la participación</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod" xlink:to="lab_ifrs-full_AdjustmentsForUndistributedProfitsOfInvestmentsAccountedForUsingEquityMethod" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_DividendoACuenta_label_es" xlink:label="lab_mer_DividendoACuenta" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Dividendo a cuenta</link:label>
    <link:label id="lab_mer_DividendoACuenta_documentation_es" xlink:label="lab_mer_DividendoACuenta" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">The amount of interim dividend.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_DividendoACuenta" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_DividendoACuenta"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_DividendoACuenta" xlink:to="lab_mer_DividendoACuenta" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio_label_es" xlink:label="lab_mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Compra o Venta de las acciones propias para los instrumentos del patrimonio</link:label>
    <link:label id="lab_mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio_documentation_es" xlink:label="lab_mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Compra o Venta de las acciones propias para los instrumentos del patrimonio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio" xlink:to="lab_mer_CompraOVentaDeLasAccionesPropiasParaLosInstrumentosDelPatrimonio" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto_label_es" xlink:label="lab_mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Resultado desglosado del consolidado en el patrimonio neto</link:label>
    <link:label id="lab_mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto_documentation_es" xlink:label="lab_mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Resultado desglosado del consolidado en el patrimonio neto</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto" xlink:href="959800L8KD863DP30X04-2024-12-31.xsd#mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto" xlink:to="lab_mer_ResultadoDesglosadoDelConsolidadoEnElPatrimonioNeto" xlink:type="arc" order="1"/>
    <link:label id="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity_488d6b3a-12a0-457a-aa57-1ec36358a3fb_totalLabel_es" xlink:label="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="es">Incremento (decremento) por otros cambios, patrimonio neto</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:href="https://xbrl.ifrs.org/taxonomy/2022-03-24/full_ifrs/full_ifrs-cor_2022-03-24.xsd#ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:to="lab_ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_mer_InterimDividendMember_label_es" xlink:label="lab_mer_InterimDividendMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Dividendo a cuenta [Member]</link:label>
    <link:label id="lab_mer_InterimDividendMember_documentation_es" xlink:label="lab_mer_InterimDividendMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">This member stands for the interim dividends.</link:label>
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    <link:label id="lab_mer_OtherEquityHolderContributionsMember_label_es" xlink:label="lab_mer_OtherEquityHolderContributionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="es">Otras aportaciones de los accionistas [Member]</link:label>
    <link:label id="lab_mer_OtherEquityHolderContributionsMember_documentation_es" xlink:label="lab_mer_OtherEquityHolderContributionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="es">Otras aportaciones de los accionistas</link:label>
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