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 ...

Activating the rear view camera
•► Make sure that the SmartKey is in position 2 in the ignition lock. •► Make sure that the "rear view camera" function is selected in COMAND (see the separate operating i ...

Top Tether
WARNING   Always lock the rear seat backrests in their upright position when the rear seats are occupied by passengers. Lock the rear seat backrests in their upright position before ins ...