See also:

System self-test
If an adult occupant is properly sitting on the passenger seat and the OCS classifies the occupant as an adult, the indicator lamp illuminates and goes out again after approximately 6 seconds ...

Driving systems
Display messages   Level Selection Not Permitted Possible causes/consequences and ► Solutions You cannot change the vehicle level, because: • you are exceeding the permissible speed ...

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 ...