See also:

Resetting to factory settings
For safety reasons, the Day Lights function in the Lights submenu is only reset when the vehicle is stationary. Press the or button on the steering wheel to select the Settings menu. P ...

Operating video DVD
► Switch on COMAND and select video DVD (see the separate operating instructions). ► Press the button on the steering wheel to select the Audio menu. DVD changer display (example) ...

Problems with the seat ventilation
The seat ventilation has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. - Switch ...