Ignition Barrel Lubrication

Discussion in 'Interior' started by StevenN, May 18, 2011.

  1. StevenN

    StevenN Hardcore MB Enthusiast

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    Hi All

    I have recently noticed that when I put the ignition key in the lock the motorised sound you get at the steering lock comes off has changed.
    It has started to sound like the mechanism needs lubrication.

    Should I spray a little ptfe in the hole or am I asking for trouble?

    Many thanks

    Steve
     
  2. johnsco

    johnsco Hardcore MB Enthusiast

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    I think you could well be asking for trouble.
    I believe the key communicates via infra-red transmitters and receivers.
    If your key is the same as mine, it has a little transmitter at the end.
    If you spray PTFE in the hole, then it may interfere with this line-of-sight transmission.
    On the other hand, the spray coating will be very thin and you might get away with it.
    I'm not at all sure that the lube will get where you want it, in any case.

    I'm sure that MB never intended you to spray PTFE in the hole.
    So - I wouldn't.
     
  3. corned

    corned Hardcore MB Enthusiast

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    Also, I would not lay any odds on the mechanical moving part (the lock bolt) necessarily being anywhere near the ignition switch!
     
  4. Mike Walker

    Mike Walker Hardcore MB Enthusiast

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    Interesting subject - my W203 had a health check recently and the Main Dealer noted this as a potential issue but, on this occasion, did not give a price for putting it right.
    Will speak to them and see if there is a recommended fix that doesn't cost a fortune.
     
  5. BlackC55

    BlackC55 Authorised Forum Sponsor Authorised Forum Sponsor

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    There is no fix for it.
     
  6. Mike Walker

    Mike Walker Hardcore MB Enthusiast

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    Ollie does that mean wait until it breaks and then buy a new one?:wallbash:
     
  7. BlackC55

    BlackC55 Authorised Forum Sponsor Authorised Forum Sponsor

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  8. OP
    OP
    StevenN

    StevenN Hardcore MB Enthusiast

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    Thanks for all the info.
    I think I will wait to see what Mike comes back with.
    I can't believe that you can't clean or lubricate it as it looks like a bit of a dust trap.

    My car had been sitting for three weeks while I was away on holiday and it was fine prior.

    The sound/feel is like it has dirt in the workings.
    Suppose I could try an airline or air duster?

    Anyhow back to you Mike

    Cheers All

    Steve
     

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