Puff of Smoke
Thread Starter
Newbie
Joined: Oct 2009
Posts: 7
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E350
Puff of Smoke
I've got an 09 E350 with about 5k on it. A few weeks back I was getting on the freeway and floored it. When it got to about 5000 RPM a puff of white smoke came out. Since then I've used Techron twice thinking it might be carbon buildup. It's still smoking. Should I take it in?
Member
Joined: Jun 2008
Posts: 188
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From: Los Angeles, CA
2007 E550 Sports
I don't believe Techron will help you much, since you are is still very new. Maybe I am old school, but white puff of smoke doesn't sound normal. I think you should take it in, keep us posted what you find out.
Super Member
Joined: Sep 2007
Posts: 978
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From: Essex County, NJ
2011 E350 Sport 4Matic - P2 & Drivers Assist / 2010 C300 Sport 4Matic - P2 / 2013 Porsche Cayenne S
White smoke from the exhaust could mean that you have coolant or transmission fluid leaking into the combustion chamber and burning up. I would definitely take the car in as soon as I could.
MBWorld Fanatic!
Joined: Aug 2005
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From: Los Angeles
2009 SL550 Roadster Diamond White, 2008 CLK550 Coupe Obsidian Black
there are a few threads about these. try a search and they will come up. I have heard numerous stories of white smoke coming from exhaust but mostly on 03 - 05 cars.
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Junior Member
Joined: Nov 2009
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E55 AMG
Get behind your car and smell the exhaust. Your trying to pick up a sweet smell which is a common indicator of coolant burning up int he combustion chamber. While highly unlikely, it is possible you may have a small crack in your block but I am doubtful.
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MBWorld Fanatic!
Joined: Mar 2004
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From: Ft. Lauderdale Area, USA
2015 ML 350
In my '04 E 500 I had this exact problem. White smoke usually means water is somewhere it shouldnt be. I NEVER had any contaminated fluids, and no one was ever able to figure this out. I posted a ton about this back in the day. If I floored it entering a freeway, I layed down a smoke screen so thick I NEVER saw a car emerge from it (since I was so far down the road by then).
Embarrasing, but I had to live with it... and NO, its not "normal".
Embarrasing, but I had to live with it... and NO, its not "normal".
Thread Starter
Newbie
Joined: Oct 2009
Posts: 7
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E350
So I took her in today to see if they can figure anything out. They couldn't. They want me to use a higher quality gas. I've been using Costco premuim grade. I've used Techron twice in the last month. I think they're clueless.
Super Member
Joined: Apr 2002
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From: Sacramento
AMG C43, 1999
If you are leaking water or coolant into the head it will also wnd up in your oil. And though it may not show up under visual exam it would show under an oil analysis.
Go to Bobistheoilguy.com and choose one of the companies who perform this service and send them a sample of your oil. If it comes back positive for coolant then take the report to MB and insist on a head gasket replacement.
I have had good service from Blackstone Labs.
Jeff
Go to Bobistheoilguy.com and choose one of the companies who perform this service and send them a sample of your oil. If it comes back positive for coolant then take the report to MB and insist on a head gasket replacement.
I have had good service from Blackstone Labs.
Jeff
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Joined: Mar 2007
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From: Charlotte, NC
2002 S430, 2004 Cobra, 2004 Tahoe
I hate to say this, but it's under warranty. Wait until your first service when they change your oil and if they see anything out of the ordinary, it will show up. I would see on occasion a puff of smoke on initial start up, but wouldnt see anything under acceleration. I would however floor it almost everytime I drove it just to ensure if there was carbon build up that it would be cleared out.
MBWorld Fanatic!
Joined: Aug 2005
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From: Los Angeles
2009 SL550 Roadster Diamond White, 2008 CLK550 Coupe Obsidian Black
started up the CL500 today and wad u know... puff of white smoke came out from left tail pipe (didn't see if it came from right as well).
