See also:

External authorization
If COMAND does not detect your Bluetooth® device, this may be due to particular security settings on your Bluetooth® device. In this case, you can test if your Bluetooth® device can find COMAN ...

Cleaning the headliner and carpets
  Headliner: use a soft brush or a cleaning agent recommended and approved by Mercedes-Benz to remove heavy soiling.   Carpets: use the carpet and textile cleaning agents recommended ...

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 th ...