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        <credentials>
          <cik>0001576089</cik>
          <ccc>XXXXXXXX</ccc>
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      <periodOfReport>03-31-2018</periodOfReport>
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      <reportCalendarOrQuarter>03-31-2018</reportCalendarOrQuarter>
      <filingManager>
        <name>NGP MR Management, LLC</name>
        <address>
          <com:street1>2000 MCKINNEY AVENUE, SUITE 1250</com:street1>
          <com:city>DALLAS</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>75201</com:zipCode>
        </address>
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      <reportType>13F HOLDINGS REPORT</reportType>
      <form13FFileNumber>028-16266</form13FFileNumber>
      <provideInfoForInstruction5>Y</provideInfoForInstruction5>
      <additionalInformation>NGP MR Management LLC (the "Investment Adviser") is the investment adviser to NGP Midstream &amp; Resources L.P. (the "Fund"). NGP MR, LP (the "General Partner") is the general partner of the Fund. The investment committee of the General Partner must approve and authorize all acquisitions of securities by the Fund. The Investment Adviser has the authority to make all designs of securities of the Fund.</additionalInformation>
    </coverPage>
    <signatureBlock>
      <name>Laura L.Tyson</name>
      <title>Chief Compliance Officer</title>
      <phone>713-579-5028</phone>
      <signature>/s/ Laura L. Tyson</signature>
      <city>Houston</city>
      <stateOrCountry>TX</stateOrCountry>
      <signatureDate>05-10-2018</signatureDate>
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            <name>NGP MR, L.P.</name>
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