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I have a 2014 s550 with m278. Dealer over filled oil and was leaking on drive way. I got service a week ago and now. Dealer says it was normal level when it was way over dipstick. Now is saying I have oil leaks from 3 places. Oil cooler and oil pan as well as timing chain cover. I love Mercedes but I really hate there dealer service. Had a good advisor but left and now I’m screwed. I know it’s bs but what can I do? Dealer is Foothill Ranch Mercedes.
My car was serviced at the dealer throughout its entire warranty period and they overfilled the engine oil every single time, requiring me to go back and have it drained off. Eventually I got into the habit of checking the dipstick before leaving the dealer, so as to avoid the inevitable return trip. They always claimed that their oil dispensers automatically pumped in the proper amount for the engine type, but clearly there's a problem with that.
This past July I had my GL in for service. The dealer overfilled the oil to the point that while I was driving it home from the service it began smoking like a diesel. I pulled over and smell oil burning under the hood. There was so much oil that the pressure blew the dipstick out and sprayed oil all over the right side and front of the engine. I was lucky the motor didn't blow up. Called the dealer and told them where I was and what was going on. they sent a flatbed and got it straightened out, but what a PIA. Surprisingly the motor didn't develop a leak.
Mercedes SLR McLaren 722 S Is Extremely Rare Example Modified by McLaren
Slideshow: A one-of-one U.S.-spec Mercedes-Benz SLR McLaren Roadster became even rarer after a factory-backed transformation at McLaren's headquarters.
