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    Mercedes-Benz M-Class 2014: Smoking

    Asked by Bob

    My 2014 Mercedes-Benz M-Class has started smoking quite badly. There is no smell, or warning lights on the dash. I checked the oil and water levels and there is way too much in both. Checked a month ago and they were at the correct levels.

    Answered by CarsGuide

    25 Jan 2019 Graham Smith

    If it is a diesel I would have the particulate filter checked, it might require regenerating.

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