Oil Leak
MBWorld Fanatic!
Joined: Mar 2008
Posts: 3,714
Likes: 56
From: 1 hours drive north of Sydney Australia
2007 W204 220CDI Classic Sedan
Crawl under & have a look. Maybe the pump seal , hose joint .
Best not drive with the oil level low . It could collect air & wreck the pump.
It's pretty hard to park too. Safety issue.
Best not drive with the oil level low . It could collect air & wreck the pump.
It's pretty hard to park too. Safety issue.
Junior Member
Joined: Dec 2010
Posts: 24
Likes: 0
2011 C300 4Matic Sport
Super Member
Joined: Aug 2009
Posts: 964
Likes: 2
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Yeah, that definitely sounds like coolant, and not oil especially a sizeable leak. Check your radiator and make sure it's filled properly. You should get a warning if you lose a sizeable amount of oil, but not so much for coolant because of quantity fluctuation. You might have had a stone through your radiator fins or something crack, it could be a loose hose fitting, or even just an overflow, in which case nothing is even wrong. Make sure it's topped off (check your oil level too just tot be safe) and take it in for service.
e: Watch the engine temp either way while you are driving it, and if it starts running north, pull over, turn off the engine, wait 15 minutes and check your fluids again. Be prepared to top it off again if necessary, so bring a gallon of water and a quart or two of oil with you if possible.
e: Watch the engine temp either way while you are driving it, and if it starts running north, pull over, turn off the engine, wait 15 minutes and check your fluids again. Be prepared to top it off again if necessary, so bring a gallon of water and a quart or two of oil with you if possible.
Last edited by Peabody; Dec 31, 2010 at 07:29 AM.
