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Old 11-12-2005, 10:19 PM
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Join Date: Nov 2004
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1984 300 TD Ignition problem

I pulled up to my garage and shut off my car when I went to restart it the lock was froze , I was told by a friend that the bar that locks the wheel was jammed and I needed to vibrate it and it would free up, I have never had a problem with the key being stuck or needed to wiggle to operate. I pulled the dash and vibrated the lock assembly, several times, and sprayed with wd-40, still stuck? any ideas?
I was told that there is a brute force method, that would let me get the lock into the open so I could take it apart w/o drilling the lock. Any ideas on that method?

Last edited by pf60104; 11-15-2005 at 11:32 AM.
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Old 11-12-2005, 11:19 PM
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
Try working the steering wheel back and forth while attempting to turn the key. If you have the wheel turned, the pressure on the lock bolt can make it impossible to turn the key. Releasing the pressure will free the bolt.
If it frees up, but the key is still "sticky" you need a new key and/or tumbler.

Is that a real steel MB key or a brass replacment, and how old is it? If old, or brass, get a new key (take your registration to an MB dealer or good independent, and they will order you a new key). A new key will often work in a tumbler a worn key won't turn.

If the new key works, you also need a new tumbler (about $60, key is about $20 last I knew) -- fairly easy to replace IF the key turns. A huge PITA if it doesn't....

Peter
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