See also:

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 tha ...

Changing batteries
Batteries are required for the remote control and for the two sets of cordless headphones. Changing batteries. ...

The mbrace system
The mbrace system provides different services, e.g.: • automatic and manual emergency call • Roadside Assistance call • MB Info call To adjust the volume during an mbrace call, proceed as foll ...