Diesel particulate filter

Soot particles are collected in the diesel particulate filter and periodically burned away at high temperatures.

During the cleaning period of several minutes:

▷ The engine may temporarily run less smoothly.
▷ A somewhat higher engine speed may be necessary to achieve the accustomed performance.
▷ Noises and a slight amount of smoke may emerge from the exhaust, even for a short period after the engine is switched off.

    See also:

    Automatic deactivation during forward travel
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    Headlamps
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    Service booklet
    Perform maintenance work at the service center, and record the work in the service booklet. The entries are proof of regular maintenance. ...