See also:

Purity
Assuring the purity of DEF is particularly important with respect to avoiding malfunctions in the exhaust gas aftertreatment system. If DEF is pumped out of the DEF tank, e.g. during repair wo ...

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Position of the steering wheel for driving
The steering wheel is moved to the last selected position when:  - the driver's door is closed.  - you insert the SmartKey into the ignition lock. or  - you press the Star ...