M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Smoke from engine...no visible leaks

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Old 08-27-2024, 12:48 PM
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2009 ML 350 4Matic Gas 75K Miles/2016 CLS400 35k Miles
Smoke from engine...no visible leaks

2009 ML 350 94k miles

Yesterday smoke began coming from the rear of the engine. No leaks under the truck, no visible leaks around the engine. (video attached)

It is not a coolant smell, more of exhaust or rubber smell. No visible exhaust smoke coming out of the tailpipes.

Is someone familiar with the likely cause?

Thanks in advance.
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IMG_0782 (5).MOV (17.23 MB, 5 views)
Old 08-28-2024, 06:21 AM
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ML350 Bluetec
If it was a diesel I would say DPF regeneration
Old Today, 12:05 AM
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2010 ML350 Bluetec, Alfa Romeo GTV6
Does the gas 3.5 engine have the PCV valve back there?

Pop off your cover and get a better look back there.



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