Car won't start, and.....

Discussion in 'Engine' started by stephenmercedes, Aug 11, 2018.

  1. stephenmercedes

    stephenmercedes Hardcore MB Enthusiast

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    2001 W203 C240. On turning the key, car turns over strongly but won't start AND on releasing the key, it still continues to turn over till you turn the key to 'off'. What's up with the old girl this time?? Up to yesterday, it all worked 100%!
     
  2. optimusprime

    optimusprime Hardcore MB Enthusiast

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    ignition switch faulty .
     
  3. wu56Shoozz

    wu56Shoozz Hardcore MB Enthusiast

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    Camshaft sensor?? :dk:

    Forget my answer just re read it..Optimus may have it though..
     
  4. clk320x

    clk320x MB Club Veteran

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  5. OP
    OP
    stephenmercedes

    stephenmercedes Hardcore MB Enthusiast

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    Am curious - is this a £££s repair? (not main dealer, I have a sound indie I use...)
     
  6. wu56Shoozz

    wu56Shoozz Hardcore MB Enthusiast

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    Its a grand for the Vito that I do know speaking to others.. the problem is that it all needs coded and I believe but don't quote me that its only the dealers that can do this.. :(
     
  7. OP
    OP
    stephenmercedes

    stephenmercedes Hardcore MB Enthusiast

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    LOL That's more that I paid for the car! Just searched Ebay for ignition switches, and even a brand new MB in box for this model comes up at £80, so, I may get lucky. My Indie as far as I know has the facility to program stuff too...

    New ignition switch on Ebay for W203
     
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  8. neilrr

    neilrr MB Club Veteran

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    You can find working used ignition switch/key/ECU sets for pretty much any MB on ebay for around £150-250. No coding required.

    Edit: posts crossed. You sussed it out. Make sure the part # is the same or compatible with your old one.
     
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  9. wu56Shoozz

    wu56Shoozz Hardcore MB Enthusiast

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    Good Luck Steve, here's hoping you nabbed a bargain and it all works..:thumb:
     
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  10. optimusprime

    optimusprime Hardcore MB Enthusiast

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    Dont spend untill you 100% sure its the switch .Or see what answers other members come up with
     
  11. OP
    OP
    stephenmercedes

    stephenmercedes Hardcore MB Enthusiast

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    Good advice. I just tried starting her again and she fired straight up 1st go. This morning I spent 5 minutes trying to start her with no joy. Can't be having a 'sometimes' working though so need it sorted...
     
  12. clk320x

    clk320x MB Club Veteran

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    Intermittent faults are the worst. :(

    Good luck!
     
  13. wu56Shoozz

    wu56Shoozz Hardcore MB Enthusiast

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    Have you tried a little electro contact down the barrel or some silicone lube just gently and working of and on etc.. could just be dry..
     
  14. Ted

    Ted MB Club Veteran

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    It is designed to keep on turning after you have released the switch, until the engine starts.
    That bit isn’t a fault.
     
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  15. OP
    OP
    stephenmercedes

    stephenmercedes Hardcore MB Enthusiast

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    Is that still symptomatic of a faulty switch, or do you think it may be something else then?
     
  16. Ted

    Ted MB Club Veteran

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    No, Stephen. I think that because the car won’t start, the circuit continues to apply power until either (I’m guessing) a timeout or you turn the ignition off.
    So I don’t think the starter continuing to turn the engine because it won’t start is a problem.
    On ny clk I just flick to the start position and release. It then turns over (just for a second) until the engine fires.
     
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  17. clk320x

    clk320x MB Club Veteran

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    Starter motor fault?

    To be honest pal, there are a million possibilities. Get your indie to diagnose it.
     
  18. OP
    OP
    stephenmercedes

    stephenmercedes Hardcore MB Enthusiast

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    That's exactly how my car works, until it went tits up this morning. Just tried it again, and it's perfect, very frustrating!
     
  19. Joesoap17

    Joesoap17 Hardcore MB Enthusiast

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    had a similar problem with a w210 220cdi and it was crank sensor, did seem to be worse when hot though but occasionally cold start.
     
  20. OP
    OP
    stephenmercedes

    stephenmercedes Hardcore MB Enthusiast

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    I just had a thought! When it initially happened, and it was turning over without starting, the dash board lit up like a Christmas tree with every single warning light shining - does that help any diagnosis, or just a red herring?
     

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