See also:

SmartKey
Display messages Possible causes/consequences and Solutions You have put the wrong SmartKey in the ignition lock. Use the correct SmartKey. The SmartKey ...

DEF
Important notes on use To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. Adding DEF is one of the tasks performed during maintenance. Under no ...

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 instructions for C ...