See also:

Engine oil viscosity
Viscosity describes the flow characteristics of a fluid. If an engine oil has a high viscosity, this means that it is thick; a low viscosity means that it is thin. Select an engine oil with an ...

Incoming call
Rejecting or accepting a call When there is an incoming call, you see a corresponding window in the display. To reject: select Reject by turning the COMAND controller and press to confir ...

Charging the battery
WARNING Never charge a battery still installed in the vehicle unless a battery charger unit approved by Mercedes-Benz is being used. Gases may escape during charging and cause explosions ...