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Home >> Mercedes Benz >> 2019 >> C300 4Matic, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 291 (Overall Vehicle - 253 Chassis 5 Of 9) >> Testing & Repair >> Remove Contacts From Micro Contact Connector - AR00.19-P-0100-13A

Remove Contacts From Micro Contact Connector - AR00.19-P-0100-13A

WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.

Model all (4xWD, CAR, Light transporter, smart) 

Fig 1: Identifying NanoMQS Release Tool (220 589 04 99 37)
G13769439Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying NanoMQS Release Tool (220 589 04 99 38)
G14124467Courtesy of MERCEDES-BENZ USA

IMPORTANT Pigtails can be used as repair materials when replacing damaged NanoMQS contacts. Crimping is not permitted for NanoMQS contacts.

  1. Loosen locks on cap (1) using a suitable tool and remove cap (1).
    G13654439Courtesy of MERCEDES-BENZ USA
  2. Loosen secondary lock (2) using suitable tool.
    G11971129Courtesy of MERCEDES-BENZ USA
    G11971130Courtesy of MERCEDES-BENZ USA
  3. Release contact with SPECIAL TOOL NanoMQS release tool and carefully remove from the contact housing at the corresponding electrical line.

    When spinning out contacts 40...49 (arrow A).

    G11971131Courtesy of MERCEDES-BENZ USA
  4. Release contact with SPECIAL TOOL NanoMQS release tool and carefully remove from the contact housing at the corresponding electrical line.

    When spinning out contacts 25...39 or 50...64 (arrow B).