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parking sensors question

Discussion in 'Electronics' started by bran.c, Dec 10, 2015.

  1. bran.c

    bran.c New Member

    Messages:
    17
    Joined:
    Feb 26, 2011
    Location:
    dublin
    Car:
    ml270cdi 2005
    Hi
    the parking sensors on my newly bought w163 ml 270 dont work, is there any way of testing the sensors as im told that one faulty one can cause them not to work.
    Thanks in advance
     
  2. whitenemesis

    whitenemesis Hardcore MB Enthusiast

    Messages:
    12,699
    Joined:
    May 7, 2007
    Car:
    Lexus RC300h F-Sport 2016
    Needs connecting to STAR to check each sensor.

    What are the symptoms? Have they ever worked?
     
  3. OP
    OP
    bran.c

    bran.c New Member

    Messages:
    17
    Joined:
    Feb 26, 2011
    Location:
    dublin
    Car:
    ml270cdi 2005
    Hi
    Only have the car 2 weeks, were not working when I bought it, im getting 2 red leds each side of front display.
    Was hoping I might be able to test each sensor with a multimeter than have to go to to main dealer.
     
  4. OneForTheRoad

    OneForTheRoad Hardcore MB Enthusiast

    Messages:
    347
    Joined:
    Apr 20, 2015
    Location:
    durham .
    Car:
    e320 w211 04/05
    if you get right up close with your ear you can hear the good ones tick on a repeated pulse . car in reverse with ign on . if you hear a one that's ticking , remove the lot and try them one at a time on that part of the loom . or if youre lucky they all bar one might tick and you've found the culprit
     
  5. ALB1

    ALB1 New Member

    Messages:
    17
    Joined:
    Aug 12, 2012
    Location:
    Aberdeen,Scotland
    Car:
    ML270
    I have the same problem but do you have to take the front bumper off to get to them if so
    Is it an easy job?
    I knot the duff sensor is just above the fog light
     
  6. OP
    OP
    bran.c

    bran.c New Member

    Messages:
    17
    Joined:
    Feb 26, 2011
    Location:
    dublin
    Car:
    ml270cdi 2005
    Finally got around to this, bought some sensors from ebay, the only ones that can be changed without removing the bumper is the 2 front ones on the side
     

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