See also:

Problems with the seat heating
The seat heating 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 off ...

Activating audio CD/DVD or MP3 mode
Option 1 Insert a CD/DVD or an SD card or connect a USB device. COMAND loads the medium inserted and starts to play it. Option 2 Press the function button once or twice. Select an aud ...

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-Be ...