M-Class (W166) Produced 2012-2015

2012 ml350bluetec burning smoke/smell

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Old Jun 7, 2015 | 02:43 AM
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Jim kadiri's Avatar
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2012 ml350bluetec burning smoke/smell

well I recently bought 2012 ml350 bluetec not new! There is this huge white smoke that comes out randomly like every three days! Sometimes it's so embarrassing when it comes out in traffic! Any help please? Is that normal ?
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Old Jun 7, 2015 | 06:36 PM
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A gaggle of MB's
There is a "regeneration cycle" that can be triggered that burns off particles/contaminants in the exhaust system - and yes, this can cause a "hot smell" and on occasion like "white smoke".

However, there can be turbo issues that can come up that also cause this symptom.

If you purchased from a MB dealer - you should have it checked as soon as possible on their dime... don't wait.

If you bought private party or non-MB dealer - then you should talk to a MB dealer service department about the cost to get it diagnosed to see if there is a issue or not.

If it was me - I would want to know..
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Old Jun 8, 2015 | 02:09 AM
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Thanks a lot! I will get it diagnosed as soon as possible!
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Old Jun 9, 2015 | 04:07 PM
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'12 C63 Black Series, '12 ML350 BlueTech
Yes get it checked. White smoke is never good!
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