Mechanics

EXTREME ENGINE SMOKE

2001 Mercedes Benz CL55 • V12 2WD Automatic • 70,000 miles

No visible sign of oil leak but engine smokes terribly when running. The car is a CL600 Mercedes 2001 with only 70k on it.
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SMITTY600
December 11, 2010.




What colour is the smoke, black, blue or white? The colour will help indicate possible causes.

Mark (mhpautos)

Mhpautos
Dec 11, 2010.
It smoke coming from engine when you open hood or from exhaust?

Mmprince4000
Dec 11, 2010.
SMOKE COMES FROM EXHAUST AND VARIES IN COLOR AND IS QUITE HEAVY

Tiny
SMITTY600
Dec 11, 2010.
Try and determine the most prominent colour, this is important, black over fuel, blue oil burning, white/Grey coolant in the combustion chamber.

Mark (mhpautos)
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Mhpautos
Dec 11, 2010.
I was having it repaired for hydrulic leak and when done noticed smoke. Smoke became quite heavy after a while and is blue and white in color. It was night when I went to pick it up. The guy at the shop thinks its an internal oil leak or spillage from recent filling.

Tiny
SMITTY600
Dec 11, 2010.
Repair shop guy thinks its an overflow of oil at best or internal engine leak at worst. What can be done to repair this car?

Tiny
SMITTY600
Dec 11, 2010.
First thing to do is make sure all levels are correct and get any leaks fixed, smoke out the exhaust is internal problems, if the engine oil is very much over filled this can smoke, check this first and correct the levels, start here.

Mark (mhpautos)

Mhpautos
Dec 11, 2010.
Repair guy says he'll run engine awhile to burn any spilled oil off and check level. If level decreases he says there is internal leak and engine will possibly need replacement(expensive). How about a rebuild or gasket repair?

Tiny
SMITTY600
Dec 12, 2010.
Can't comment until the exact problem has been identified, sounds like this mechanic is not very sure about what he is doing, I think its time to find one that does.

Mark (mhpautos)

Mhpautos
Dec 12, 2010.
Mechanic says all levels are correct and he is now going to run car for awhile to burn off any extra oil that may have spilled over. Is this a good idea that will not cause any damage?

Tiny
SMITTY600
Dec 13, 2010.

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