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The very common keyless door entry issue

Discussion in 'Electronics' started by Lenny63, Nov 22, 2016.

  1. Lenny63

    Lenny63 Hardcore MB Enthusiast

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    A bit like a ticking time bomb I suppose , my drivers keyless door handle stopped working after a heavy freeze yesterday !

    Late last night it worked twice but then stopped working again

    It will Neither lock or unlock the car - all remaining 3 including boot are working fine

    Car was plugged into STAR this AM and no faults showing

    Couldn't be moisture and any tips for drying it out ?

    Regards Lenny
     
  2. whitenemesis

    whitenemesis Hardcore MB Enthusiast

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    Exterior door handle rubber button letting in water. I think someone here removed and repaired but personally I'd just replace the handle completely
     
  3. OP
    OP
    Lenny63

    Lenny63 Hardcore MB Enthusiast

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    Managed to push out the rubber and but of moisture in there - hair dryer - it's not working but intermittently - I also saw "key not detected"
    In the dash the odd time when it wouldn't open
     
  4. Abb

    Abb Hardcore MB Enthusiast

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    Its around £150 plus paint & VAT IIRC Lenny, unfortunately the only option is to replace it. I had the same issue with mine, both drivers door and rear passenger door.
    Pretty straight forward to replace the drivers door (videos on you tube), unlike the rear doors.
     
  5. Will

    Will Hardcore MB Enthusiast

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    You can order the handles factory painted, that's what I did for my 744 silver E55 at the time - around £135+vat from memory.

    Can't see the CLS being any different. 5 minutes to fit with a torx driver :)
     
    1 person likes this.
  6. merc85

    merc85 Hardcore MB Enthusiast

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    Strange they are the same 2 door's that the keyless doesnt work on.
     
  7. Will

    Will Hardcore MB Enthusiast

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    They're the ones that get used most :)
     
  8. merc85

    merc85 Hardcore MB Enthusiast

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  9. OP
    OP
    Lenny63

    Lenny63 Hardcore MB Enthusiast

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    To confirm only my drivers door has went bad

    All others ok

    Helpful advice guys - I heard they were £370 a op but maybe that's fitted ?

    I'm handy with a spanner so I am sure I can do myself
     
  10. OP
    OP
    Lenny63

    Lenny63 Hardcore MB Enthusiast

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    I use my driver aside rear very frequently (almost as if you forget to lock the car and pass the door and go "oh, better lock thaty ) lol
     
  11. C43AMG

    C43AMG Hardcore MB Enthusiast

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    you can't get factory painted ant more Will !! those bloody accountants !!
     
  12. Will

    Will Hardcore MB Enthusiast

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    I use the rear driver's side quite a lot - if I'm putting a jacket on the back seat (or putting the kids in etc)

    At the end of the day, the membrane on the handle is made of rubber, it's exposed to extremes of temperature (ice, 30c+ sun, car washes/chemicals/jet washes, rain, vibration etc). Water gets in on the circuits and they corrode.

    At ten years old it's not a massive surprise when they go :eek:

    You can buzz them out with a multimeter if you like, or use another handle to test.
     
  13. Will

    Will Hardcore MB Enthusiast

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    Depends on the model Peter - 211/219 handles are different to the 215 CL, SL etc.

    There's loads of colours so perhaps not all available for all models but I'd be surprised if they had none painted :)
     
  14. richard

    richard Authorised Forum Sponsor Authorised Forum Sponsor

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    I got a SL painted one (R230) late last year.. Same problem (2004 car, drivers door)
     
  15. Will

    Will Hardcore MB Enthusiast

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    Don't the SL ones have a touch sensor on the back of the handle (capacitive?) like on the 215 - I only ask as I seem to remember they're about twice the price of 211 type with the membrane/micro switch on both sides.

    Then again, at least on the SL/CL you've only got two doors to worry about :eek:
     
  16. richard

    richard Authorised Forum Sponsor Authorised Forum Sponsor

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    Theres a black rubber button for lock. The pulling action is capacitive

    R
     

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