See also:

Immobilizer
The immobilizer prevents your vehicle from being started without the correct SmartKey. When leaving the vehicle, always take the SmartKey with you and lock the vehicle. The engine can be starte ...

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 wor ...

General notes
When you lock the vehicle, you can simultaneously: • close the side windows • close the sliding sunroof or the panorama roof with power tilt/sliding panel On vehicles with a panorama roof with powe ...