<?xml version="1.0" encoding="UTF-8"?>
<linkbase xmlns="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
  <labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerMulticurrency" xlink:label="loc_muc_headerMulticurrency"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerMulticurrency" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Header_ Multicurrency</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerMulticurrency" xlink:to="lab_muc_headerMulticurrency"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerMulticurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Class for recording additional multicurrency information applicable to the header as a whole, including foreign-currency amounts and exchange rates associated with currencies or dates other than those of the original transaction. It supports exchange-rate triangulation using a third currency, often EUR but not limited to EUR. Multiple occurrences may be used to record amounts and exchange rates for different currencies or dates.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerMulticurrency" xlink:to="doc_muc_headerMulticurrency"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerExchangeRateDate" xlink:label="loc_muc_headerExchangeRateDate"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerExchangeRateDate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRateDate" xlink:to="lab_muc_headerExchangeRateDate"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerExchangeRateDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The date and time applicable to the exchange rates and converted amounts recorded in this Multicurrency occurrence. This may differ from the original transaction date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRateDate" xlink:to="doc_muc_headerExchangeRateDate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerForeignCurrencyAmount" xlink:label="loc_muc_headerForeignCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerForeignCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Foreign Currency Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerForeignCurrencyAmount" xlink:to="lab_muc_headerForeignCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerForeignCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The amount expressed in the foreign currency identified by Multicurrency Foreign Currency at the specified exchange-rate date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerForeignCurrencyAmount" xlink:to="doc_muc_headerForeignCurrencyAmount"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerForeignCurrency" xlink:label="loc_muc_headerForeignCurrency"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Foreign Currency</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerForeignCurrency" xlink:to="lab_muc_headerForeignCurrency"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the foreign currency in which Multicurrency Foreign Currency Amount is expressed. ISO 4217 currency codes are recommended.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerForeignCurrency" xlink:to="doc_muc_headerForeignCurrency"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerExchangeRate" xlink:label="loc_muc_headerExchangeRate"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRate" xlink:to="lab_muc_headerExchangeRate"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The exchange rate between the foreign currency and the home currency, expressed as home-currency amount divided by foreign-currency amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRate" xlink:to="doc_muc_headerExchangeRate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerExchangeRateSource" xlink:label="loc_muc_headerExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate Source</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRateSource" xlink:to="lab_muc_headerExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the source of the exchange rate, such as Reuters or Bloomberg.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRateSource" xlink:to="doc_muc_headerExchangeRateSource"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerExchangeRateType" xlink:label="loc_muc_headerExchangeRateType"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRateType" xlink:to="lab_muc_headerExchangeRateType"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the type of exchange rate, such as a spot rate or forward rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerExchangeRateType" xlink:to="doc_muc_headerExchangeRateType"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerMulticurrencyComment" xlink:label="loc_muc_headerMulticurrencyComment"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerMulticurrencyComment" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Comment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerMulticurrencyComment" xlink:to="lab_muc_headerMulticurrencyComment"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerMulticurrencyComment" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Additional explanation of the currency amounts, exchange rates or triangulation recorded in this Multicurrency occurrence, including the reason for using a valuation date or exchange rate different from that of the original transaction.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerMulticurrencyComment" xlink:to="doc_muc_headerMulticurrencyComment"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerTriangulationCurrencyAmount" xlink:label="loc_muc_headerTriangulationCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerTriangulationCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Currency Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationCurrencyAmount" xlink:to="lab_muc_headerTriangulationCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerTriangulationCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The amount expressed in the intermediate currency identified by Multicurrency Triangulation Currency at the specified exchange-rate date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationCurrencyAmount" xlink:to="doc_muc_headerTriangulationCurrencyAmount"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerTriangulationCurrency" xlink:label="loc_muc_headerTriangulationCurrency"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerTriangulationCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Currency</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationCurrency" xlink:to="lab_muc_headerTriangulationCurrency"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerTriangulationCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the intermediate currency used to convert between the foreign currency and the home currency. ISO 4217 currency codes are recommended.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationCurrency" xlink:to="doc_muc_headerTriangulationCurrency"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerTriangulationExchangeRate" xlink:label="loc_muc_headerTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Exchange Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationExchangeRate" xlink:to="lab_muc_headerTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The exchange rate between the intermediate currency and the home currency, expressed as home-currency amount divided by intermediate-currency amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationExchangeRate" xlink:to="doc_muc_headerTriangulationExchangeRate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerTriangulationExchangeRateSource" xlink:label="loc_muc_headerTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Exchange Rate Source</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationExchangeRateSource" xlink:to="lab_muc_headerTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the source of the exchange rate between the intermediate currency and the home currency.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationExchangeRateSource" xlink:to="doc_muc_headerTriangulationExchangeRateSource"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerTriangulationExchangeRateType" xlink:label="loc_muc_headerTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Exchange Rate Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationExchangeRateType" xlink:to="lab_muc_headerTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the type of exchange rate between the intermediate currency and the home currency, such as a spot rate or forward rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerTriangulationExchangeRateType" xlink:to="doc_muc_headerTriangulationExchangeRateType"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerCrossTriangulationExchangeRate" xlink:label="loc_muc_headerCrossTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerCrossTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Cross Triangulation Exchange Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerCrossTriangulationExchangeRate" xlink:to="lab_muc_headerCrossTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerCrossTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The exchange rate between the foreign currency and the intermediate currency, expressed as foreign-currency amount divided by intermediate-currency amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerCrossTriangulationExchangeRate" xlink:to="doc_muc_headerCrossTriangulationExchangeRate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerCrossTriangulationExchangeRateSource" xlink:label="loc_muc_headerCrossTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerCrossTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Cross Triangulation Exchange Rate Source</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerCrossTriangulationExchangeRateSource" xlink:to="lab_muc_headerCrossTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerCrossTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the source of the exchange rate between the foreign currency and the intermediate currency.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerCrossTriangulationExchangeRateSource" xlink:to="doc_muc_headerCrossTriangulationExchangeRateSource"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_headerCrossTriangulationExchangeRateType" xlink:label="loc_muc_headerCrossTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="lab_muc_headerCrossTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Cross Triangulation Exchange Rate Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerCrossTriangulationExchangeRateType" xlink:to="lab_muc_headerCrossTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="doc_muc_headerCrossTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the type of exchange rate between the foreign currency and the intermediate currency, such as a spot rate or forward rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_headerCrossTriangulationExchangeRateType" xlink:to="doc_muc_headerCrossTriangulationExchangeRateType"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailMulticurrency" xlink:label="loc_muc_detailMulticurrency"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailMulticurrency" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Detail_ Multicurrency</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailMulticurrency" xlink:to="lab_muc_detailMulticurrency"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailMulticurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Class to provide additional information related to home currencies that differ from original currencies and related exchange rates - typically this will be used to record exchange rates and amounts in currencies and/or on dates other than those of the original transaction. This class allows recording of exchange rates using a third currency as a triangulation currency. This is often EUR but is not restricted to being so. This class may be repeated as many times as necessary to record amounts in foreign currencies on the same or different dates.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailMulticurrency" xlink:to="doc_muc_detailMulticurrency"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailExchangeRateDate" xlink:label="loc_muc_detailExchangeRateDate"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailExchangeRateDate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate Date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRateDate" xlink:to="lab_muc_detailExchangeRateDate"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailExchangeRateDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The date and time applicable to the exchange rates and converted amounts recorded in this Multicurrency occurrence. This may differ from the original transaction date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRateDate" xlink:to="doc_muc_detailExchangeRateDate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailForeignCurrencyAmount" xlink:label="loc_muc_detailForeignCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailForeignCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Foreign Currency Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailForeignCurrencyAmount" xlink:to="lab_muc_detailForeignCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailForeignCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The amount expressed in the foreign currency identified by Multicurrency Foreign Currency at the specified exchange-rate date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailForeignCurrencyAmount" xlink:to="doc_muc_detailForeignCurrencyAmount"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailForeignCurrency" xlink:label="loc_muc_detailForeignCurrency"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Foreign Currency</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailForeignCurrency" xlink:to="lab_muc_detailForeignCurrency"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailForeignCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the foreign currency in which Multicurrency Foreign Currency Amount is expressed. ISO 4217 currency codes are recommended.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailForeignCurrency" xlink:to="doc_muc_detailForeignCurrency"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailExchangeRate" xlink:label="loc_muc_detailExchangeRate"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRate" xlink:to="lab_muc_detailExchangeRate"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The exchange rate between the foreign currency and the home currency, expressed as home-currency amount divided by foreign-currency amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRate" xlink:to="doc_muc_detailExchangeRate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailExchangeRateSource" xlink:label="loc_muc_detailExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate Source</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRateSource" xlink:to="lab_muc_detailExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the source of the exchange rate, such as Reuters or Bloomberg.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRateSource" xlink:to="doc_muc_detailExchangeRateSource"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailExchangeRateType" xlink:label="loc_muc_detailExchangeRateType"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Exchange Rate Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRateType" xlink:to="lab_muc_detailExchangeRateType"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the type of exchange rate, such as a spot rate or forward rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailExchangeRateType" xlink:to="doc_muc_detailExchangeRateType"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailComment" xlink:label="loc_muc_detailComment"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailComment" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Comment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailComment" xlink:to="lab_muc_detailComment"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailComment" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Additional explanation of the currency amounts, exchange rates or triangulation recorded in this Multicurrency occurrence, including the reason for using a valuation date or exchange rate different from that of the original transaction.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailComment" xlink:to="doc_muc_detailComment"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailTriangulationCurrencyAmount" xlink:label="loc_muc_detailTriangulationCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailTriangulationCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Currency Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationCurrencyAmount" xlink:to="lab_muc_detailTriangulationCurrencyAmount"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailTriangulationCurrencyAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The amount expressed in the intermediate currency identified by Multicurrency Triangulation Currency at the specified exchange-rate date.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationCurrencyAmount" xlink:to="doc_muc_detailTriangulationCurrencyAmount"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailTriangulationCurrency" xlink:label="loc_muc_detailTriangulationCurrency"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailTriangulationCurrency" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Currency</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationCurrency" xlink:to="lab_muc_detailTriangulationCurrency"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailTriangulationCurrency" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the intermediate currency used to convert between the foreign currency and the home currency. ISO 4217 currency codes are recommended.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationCurrency" xlink:to="doc_muc_detailTriangulationCurrency"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailTriangulationExchangeRate" xlink:label="loc_muc_detailTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Exchange Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationExchangeRate" xlink:to="lab_muc_detailTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The exchange rate between the intermediate currency and the home currency, expressed as home-currency amount divided by intermediate-currency amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationExchangeRate" xlink:to="doc_muc_detailTriangulationExchangeRate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailTriangulationExchangeRateSource" xlink:label="loc_muc_detailTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Exchange Rate Source</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationExchangeRateSource" xlink:to="lab_muc_detailTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the source of the exchange rate between the intermediate currency and the home currency.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationExchangeRateSource" xlink:to="doc_muc_detailTriangulationExchangeRateSource"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailTriangulationExchangeRateType" xlink:label="loc_muc_detailTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Triangulation Exchange Rate Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationExchangeRateType" xlink:to="lab_muc_detailTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the type of exchange rate between the intermediate currency and the home currency, such as a spot rate or forward rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailTriangulationExchangeRateType" xlink:to="doc_muc_detailTriangulationExchangeRateType"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailCrossTriangulationExchangeRate" xlink:label="loc_muc_detailCrossTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailCrossTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Cross Triangulation Exchange Rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailCrossTriangulationExchangeRate" xlink:to="lab_muc_detailCrossTriangulationExchangeRate"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailCrossTriangulationExchangeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">The exchange rate between the foreign currency and the intermediate currency, expressed as foreign-currency amount divided by intermediate-currency amount.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailCrossTriangulationExchangeRate" xlink:to="doc_muc_detailCrossTriangulationExchangeRate"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailCrossTriangulationExchangeRateSource" xlink:label="loc_muc_detailCrossTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailCrossTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Cross Triangulation Exchange Rate Source</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailCrossTriangulationExchangeRateSource" xlink:to="lab_muc_detailCrossTriangulationExchangeRateSource"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailCrossTriangulationExchangeRateSource" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the source of the exchange rate between the foreign currency and the intermediate currency.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailCrossTriangulationExchangeRateSource" xlink:to="doc_muc_detailCrossTriangulationExchangeRateSource"/>
    <loc xlink:type="locator" xlink:href="../muc-2026-12-31.xsd#muc_detailCrossTriangulationExchangeRateType" xlink:label="loc_muc_detailCrossTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="lab_muc_detailCrossTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/label" xml:lang="en">Multicurrency Cross Triangulation Exchange Rate Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailCrossTriangulationExchangeRateType" xlink:to="lab_muc_detailCrossTriangulationExchangeRateType"/>
    <label xlink:type="resource" xlink:label="doc_muc_detailCrossTriangulationExchangeRateType" xlink:role="http://www.xbrl.org/2003/role/documentation" xml:lang="en">Identifies the type of exchange rate between the foreign currency and the intermediate currency, such as a spot rate or forward rate.</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_muc_detailCrossTriangulationExchangeRateType" xlink:to="doc_muc_detailCrossTriangulationExchangeRateType"/>
  </labelLink>
</linkbase>
