Steering lock tumbler
Hi,
The tumbler of the steering lock of my early W463 is so worn out that the key comes out of it when I am driving a steep hill!
Thus I have now ordered the right one for my key (# 62 in the graphic) and i wonder how do I tacke its replacement:
In some Mercedes sedans, such as the W201, there is a small hole by the internal edge of the tumbler so that a piece of wire can be inserted while the key is in and tumbler lock can be pushed, freeing it up. The trouble is that on the GWagen such hole (if existent) is covered by sleeve # 68. Also, I cannot remove sleeve # 68 without removing the steering wheel and the adjacent bits and pieces and I am reluctant to tackle the job -least because I don't have anywhere else to do it but the hotel of my garage- if I don't know whether I will be able to finish it.
Any tips will be welcome...
Hi over the years dirt collects in the bottom of the barrel chamber fouling the tumblers that hold the key into the slot ..try some WD40 or similar in the key slot and on the key blade..repeated insert and rotation action may well free up any jammed tumblers.and save you a lot of extra effort.....
The tumblers are inside the keyhole ..as you push the key in they should rise and fall over the profile of the key blade...when the key blade is pushed in as far as it can go the tumblers are lined up with the slots in the barrel and allow the key to turn...to start the engine....the pressure of the tumblers in the hollows of the key blade profile are strong enough to hold the key in place.if the tumbler springs are full of dirt they do not press the tumblers into the hollows in the key blade and the key falls out...very dirty tumbler springs will cause the tumblers to stick and as a result you can turn the barrel / keyhole with a screwdriver and start the engine without using the key at all......
The tumblers are inside the keyhole ..as you push the key in they should rise and fall over the profile of the key blade...when the key blade is pushed in as far as it can go the tumblers are lined up with the slots in the barrel and allow the key to turn...to start the engine....the pressure of the tumblers in the hollows of the key blade profile are strong enough to hold the key in place.if the tumbler springs are full of dirt they do not press the tumblers into the hollows in the key blade and the key falls out...very dirty tumbler springs will cause the tumblers to stick and as a result you can turn the barrel / keyhole with a screwdriver and start the engine without using the key at all......
OK. I know understand the theory. Many thanks for that!
Now I have the new barrel, part number 62 with me. Does anybody know how can I tackle the job of replacing the old one? :wink:
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Sorry my problem is just the opposite: the tumbler moves freely but the key is loose and comes out with the engine on!
I definitely need to dismantle and fit a new tumbler. Any ideas?