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639 Alarm

Discussion in 'Electrics, Vacuum, Ignition and ECU' started by M80, Nov 21, 2020.

  1. M80

    M80 Senior Member

    Messages:
    4,046
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    1,084
    Joined:
    Jan 21, 2006
    Location:
    Derbyshire
    Your Mercedes:
    Viano 639, 651 5sp Auto.
    Still the 2014 Viano,
    I was expecting to find the alarm sounder behind the fr n/s wheel liner. Now I'm in there I don't see evidence.
    Can anyone point me to the location?
     
  2. curious

    curious Senior Member

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    Joined:
    Nov 17, 2008
    Your Mercedes:
    Only the Vito left! OM646
    Has it got one?

    I had problems with it on my W203 but never even noticed one on the W639. (Disconnected the one on the W203 due to battery problems causing flashing lights etc.) If it's a similar unit, it should have started playing up on my W639 by now (2007).
     
  3. OP
    M80

    M80 Senior Member

    Messages:
    4,046
    Likes Received:
    1,084
    Joined:
    Jan 21, 2006
    Location:
    Derbyshire
    Your Mercedes:
    Viano 639, 651 5sp Auto.
    Some research would suggest it should be behind bumper, in front of wheel arch liner on the o/s.
    I don't have one there but a plug with nowt on't end maybe means mines missing.

    I'm expecting it to have 3 wires and be live for charging. But I've got wet enough today doing other bits so maybe I'll learn more tomorrow. Then I guess I'll buy one and try it.
     

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