W210 ignition key will not turn

Discussion in 'Electronics' started by hifibloke, Jun 12, 2011.

  1. hifibloke

    hifibloke Member

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    hi

    W210 2000 petrol
    I can open the door via key but when in ignition the is no zip sound and key will not turn :(
    I did not used the car much over past week and then few short trips
    took the battery out (92Ah of some not well known make ) i don't know how old is the batt
    anyone had this problem b4 ? what i can do/check ? :dk:

    please help
     
  2. Pontoneer

    Pontoneer MB Club Veteran

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    No 'zip sound' ??
     
  3. OP
    OP
    hifibloke

    hifibloke Member

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    I have 2 keys did try them both but no luck
     
  4. Howard

    Howard MB Club Veteran

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    Possibly the EIS is dead. ( electronic ignition switch ) , you need it to go on a STAR machine to find out.
     
  5. Dieselman

    Dieselman Banned

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    Clean the red window on the keys and EIS, after that it's as above, the unit is kaput.
     
  6. OP
    OP
    hifibloke

    hifibloke Member

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    is this EIS avail only from main dealer ? and will i need new key ?
     
  7. OP
    OP
    hifibloke

    hifibloke Member

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    Today I discovered a blown fuse 9 steering lock but after changing still no joy.
     
  8. jaymanek

    jaymanek Authorised Forum Sponsor Authorised Forum Sponsor

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    so have you actually got good power at the battery?
     
  9. OP
    OP
    hifibloke

    hifibloke Member

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    I will check tomorrow with meter but I don't think this is down to battery.
     
  10. OP
    OP
    hifibloke

    hifibloke Member

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    apparently you can not connect diagnostic tool if you can't turn the key ?
     
  11. BlackC55

    BlackC55 Authorised Forum Sponsor Authorised Forum Sponsor

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    Yes you can.

    The EIS is the only control unit the Star can communicate with with the ignition off.
     
  12. samdogg

    samdogg New Member

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    Had this prob this morning with a low battery,the moment i jumped it the prob disappeared
     
  13. toolman1954

    toolman1954 Hardcore MB Enthusiast

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    I had a similar problem some years ago in my 210, my Indie diagnosed that it was the battery and because the battery was not so old, I was reluctant to buy a new one, however he was proved to be correct and a new battery cured the problem.
     
  14. OP
    OP
    hifibloke

    hifibloke Member

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    I just did try jumped it the batt but no luck :( looks like EIS is dead
     
  15. EZS

    EZS New Member

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    No.

    More than likely the ESL steering lock. If the fuse has blown then the Relay is caput. If the ESL does not dis-engage then it will not let you turn it!
     
  16. Ian B Walker

    Ian B Walker MB Club Veteran

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    If you have had the battery off the EIS may have lost its memory. Put the key in the ignition lock and leave it for a time, it may just re learn.
     
  17. Dieselman

    Dieselman Banned

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    It would be worth tripping the lock released switch to see if the EIS then responds.
     
  18. OP
    OP
    hifibloke

    hifibloke Member

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    Thanks for your help guys, car still on driveway as I'm waiting for my mechanic to look into this, it will be next week. If the steering lock caput what to expect money wise ?
     
  19. BlackC55

    BlackC55 Authorised Forum Sponsor Authorised Forum Sponsor

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    £600 ish
     
  20. Working my Merc

    Working my Merc Member

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    Is it possible to buy and use one of these from a breakers or is there some sort of hard coding problem that will arise from using a second hand part?
     

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