If lube works, then that is great. But if it doesn't, then do not delay in getting the tumbler replaced. If it gets to the point where you cannot turn the key, then it is a major PITA to break/grind/saw the lock apart and install a new one. I had to have that done at the dealer on a 190E when my partner broke the ignition key in the lock. That ordeal was $600, plus towing. That was American Dollars in 1997. Believe me, you do not want to do this. Every locksmith I called said take it to the dealer because they didn't want to mess with it.

I'm getting a new tumbler for my 240D today from the dealer at $100. A little spendy yes, but it comes with a new key and is matched to the rest of the car's locks. I doubt that Fastlane could do that, but it's worth a call to find out.

BTW, there's been speculation on this board that the tumblers are worn by having a heavy keyring hanging from it. So be kind to your expensive Mercedes tumbler by keeping the number of keys it is supporting to a minimum.

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Rick Miley
2014 Tesla Model S
2018 Tesla Model 3
2017 Nissan LEAF
Former MB: 99 E300, 86 190E 2.3, 87 300E, 80 240D, 82 204D Euro
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