See also:

Mute
Press button 6 on the remote control. The sound is switched on/off. ...

Notes on technical data
The data stated here specifically refers to a vehicle with standard equipment. Consult an authorized Mercedes-Benz Center for the data for all vehicle variants and trim levels. ...

Changing batteries
Batteries are required for the remote control and for the two sets of cordless headphones. WARNING Keep the batteries out of the reach of children. Consult a doctor immediately if a child sh ...