Oil burning on start up?
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Joined: Dec 2004
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2023 GLE 53
Oil burning on start up?
Anyone else have this? If the car sits for 1-2 days, it will burn some oil on start up. That's usually a sign of worn valve guides or ring leakage, but with a 2005 and 7K miles, I'm wondering if it is just a slight collection off the cylinder walls that is burning off. Will talk to dealership, but wondered if anyone else has experienced this.
Thanks
Thanks
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From: Mason Neck, VA
i still get a puff of blue smoke at staqrtup (7k milews, 2003) and ive registered it with my dealer way back when and he says its fine. so if it ever developes into a problem he said illbe covered. (sorry for the mispelling, im hammered in sarasota waitinf to go todaytona 500 this w/e) 
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From: 2000 ft over the FL coast in a B-17
Various
The only time I get smoke at start up is if the car sat overnight and was then started to move a very, very small distance, say out of the garage to wash and then immediately turned off, upon restart the unburned gasoline from the extra rich warmup cycle will be ignited with the new still rich mixture at start and cause smoke(generally white), this has happened to me on 500's and 430's from time to time but only under these conditions. Blue smoke means burning oil and that's generally not good.
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From: Vancouver, B.C.
2002 E55 AMG
The only time I get smoke at start up is if the car sat overnight and was then started to move a very, very small distance, say out of the garage to wash and then immediately turned off, upon restart the unburned gasoline from the extra rich warmup cycle will be ignited with the new still rich mixture at start and cause smoke(generally white), this has happened to me on 500's and 430's from time to time but only under these conditions. Blue smoke means burning oil and that's generally not good.
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From: San Diego
2015 S212
I'd monitor how much oil it burns by the time you do an oil change. If you are adding ANY it is scary with such low miles. i change mine every 5000miles, but have NEVER seen the line move. In general, they say that 1 quart of regular oil in each cycle (3000 miles) is considered normal and more is a concern.
I doubt it is extra oil as synthetic is so runny.
I doubt it is extra oil as synthetic is so runny.
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From: Mia
2005 E 55
The only time I get smoke at start up is if the car sat overnight and was then started to move a very, very small distance, say out of the garage to wash and then immediately turned off, upon restart the unburned gasoline from the extra rich warmup cycle will be ignited with the new still rich mixture at start and cause smoke(generally white), this has happened to me on 500's and 430's from time to time but only under these conditions. Blue smoke means burning oil and that's generally not good.
My best guess would be that it's (1 or 2) bad valve stem seals.
Last edited by rflow306; Sep 22, 2006 at 08:20 PM.
