w447 drivers door

  1. SteveCab

    W447 door control fault

    I have a U021500 fault as my drivers door control unit is not working. I’ve checked the 30A fuse in S4, 2 which is okay on a meter. I’m wondering if there is another fuse or common problem with these. All advice greatly appreciated.
  2. SteveCab

    W447 drivers door control fault

    Hi all, it’s been a while but I now have a problem with the 2019 Vito W447 drivers door control. I have checked the 30A fuses in S4 and both are intact (2 is for drivers). Are there any other inline fuses I can check before I rip the door card off? it’s gone down during the recent frosts and...


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Specialist in parts for W140 and R129 Mercedes-Benz models.
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