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2005 c230 kompressor 6-speed. Within 150 miles around 1 liter of coolant leaked into the oil. I don't believe it is the head gasket because there are no signs pointing to it. I'm thinking it might be either the seal/gasket behind the thermostat or the seal/gasket behind the water pump, the ones that seal the timing chain cover to the engine. Any thoughts? This is my first Mercedes and I've only owned it for less than 2 weeks..
 

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2003 C320 coupe, 2000 ML320
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627 Posts
If you bought it from a "dealer".. Take it back, tell them you don't like the color.. Take a 1,000 dollar lost on it and move on..
 

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2008 AMG CLK63 Conv., 2012 R350 4-Matic, Wife's 2015 C300 sedan
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9,960 Posts
Take it back, get your money back and buy a different one somewhere else.
You can get a "sniffer test" done on your coolant header tank to see if their are combustion products getting into the coolant, which is a sign of a blow head gasket. Failing that it's down to detective work.
 

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2003 C320 coupe, 2000 ML320
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627 Posts
PS.. You've been running a engine at least two weeks with coolant in the oil.. All the bearings are most likely damaged.. That engine will never be the same.. Don't make the mistake of letting someone talking you into "re-building" that engine.. Put a used engine in it if you like, at around 6 or 7 grand.. But as much as I hate to say it, ..that engine is trash..
 

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2008 AMG CLK63 Conv., 2012 R350 4-Matic, Wife's 2015 C300 sedan
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9,960 Posts
Depending on how much and how far you drove it I doubt the engine is toast. And since you bought the car used...
 
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