Finally did the work on my C240. Prior to doing the work, I had a Star Diagnostic done and sure enough, the problem indicated a malfunctioning oil level sensor. Parts I purchased included the OEM oil level sensor, MB RTV sealant and yes, a new lower oil pan. The old oil pan was a pain to remove. The original sealant was too tough to separate the lower oil pan to the top pan, so I wind up forcing it down with a metal tool on a reinforced tab (using the new pan as a model to look inside and find where to pull), warped/ruined the old oil pan in the process (I'm just glad I bought a new lower pan). Also, I had to removed the front stabilizer bar in the process to make room for the pan to come out and the reinstallation of the new pan. Replacing the oil level sensor, which is inside the engine (right side) by the top oil pan, was a little pain also but straigth-forward. I decided to let the RTV cure overnight (as advised by a MB Tech) before filling the engine with new oil. Yes, I had to do an oil and filter change as well. Following morning I filled up the engine with the recommended amount of new oil and filter change. Now, I don't get a 'malfunction' on the dash readout anymore. To my understanding (this forum can correct me if I'm wrong), the work I just did was not a required maintenance work since the oil level sensor just gives you indication of oil condition, amount, etc. It's just what I call an 'informational' sensor. I can surely live with the 'malfunction' readout but was a nuisance and distraction. Surely, I can say I'm glad I did it! BTW, MB stealership said the work is about 5 hours at $125/hr + parts - if I had them do it for me. My total cost is over $240 on parts + five hours of work. BYI, you'll need a lift also to do this work or it would be a real pain with jacks.

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Josemin


88 MB 300E
88 MB 560SEL
99 MB ML 430