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 ...

Notes on audio AUX mode
You can connect an external audio source (AUX) to COMAND. The socket for this is located in the glove box. If COMAND is equipped with a Media Interface, external audio sources are connected u ...

Qualified specialist workshop
An authorized Mercedes-Benz Center is a qualified specialist workshop. It has the necessary specialist knowledge, tools and qualifications to correctly carry out the work required on your vehicle. ...