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 wor ...

Menu overview
The number of menus shown depends on the optional equipment in the vehicle. 1. Trip menu 2. Navi menu (navigation instructions) 3. Audio menu 4. Tel menu (telephone) 5. DriveAssist. ...

Opening and closing
Overhead control panel 1 To raise 2 To open 3 To close - Turn the SmartKey to position 1 or 2 in the ignition lock. - Press or pull the switch in the corresponding direction. If you ...