Viano rear wiper motor

Discussion in 'Electronics' started by Marku, Jun 26, 2016.

  1. Marku

    Marku Hardcore MB Enthusiast

    Messages:
    748
    Joined:
    Dec 18, 2012
    Car:
    Viano Ambiente 2.2CDI W639, S-Class 450SE W116
    The rear wiper on the Viano is getting very erratic. It will go so far and then stop press the switch again and it will return or stop halfway. Are there any alternatives to replacing the motor or is that not the cause?
     
  2. BTB 500

    BTB 500 MB Club Veteran

    Messages:
    18,737
    Joined:
    Aug 7, 2005
    Location:
    Berkshire
    Car:
    R129 SL500, W639 Vito 120, S203 C230
    Funnily enough I have exactly the same issue now on our Vito. I'm also assuming it's the motor .... there was a thread not so long ago but it rather fizzled out:

    http://www.mbclub.co.uk/forums/electronics/207446-rear-wiper-motor-viano.html

    I very rarely use the rear wiper (possibly why it's giving up the ghost). Pretty sure it's 'optional' i.e. no problem for MOT etc., but I'd still like it to work properly ;)
     
  3. t567wab

    t567wab Hardcore MB Enthusiast

    Messages:
    217
    Joined:
    Feb 25, 2011
    Location:
    Croydon
    Car:
    W211 E55 2004, S211 E55K 2004, Vito
    Two Vitos ago I've had the same problem caused by leak from the wiper spray pipe. Changed the motor.
    Might sound silly but since then I've never used rear spray.
    Problem solved
     
    1 person likes this.
  4. BTB 500

    BTB 500 MB Club Veteran

    Messages:
    18,737
    Joined:
    Aug 7, 2005
    Location:
    Berkshire
    Car:
    R129 SL500, W639 Vito 120, S203 C230
    Is this an easy DIY job? Specifically getting that big plastic tailgate trim panel off and back on again.

    I had the pipe to my rear washer come apart the first winter I had the van (when the washer fluid froze it pushed a union apart). But that was in the rear of the van (in the pillar that the light cluster is on), rather than in the tailgate.
     
  5. t567wab

    t567wab Hardcore MB Enthusiast

    Messages:
    217
    Joined:
    Feb 25, 2011
    Location:
    Croydon
    Car:
    W211 E55 2004, S211 E55K 2004, Vito
    Quite easy I'd say. Had to replace a few green panel clips as well but nothing major. Good to get some beforehand.
     

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