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.

which you Switch off electrical consumers which you do not need, such as the rear window defroster or interior lighting.

    See also:

    Setting the side air vents
    •► To open/close: turn thumbwheel 3 up or down. Side window defroster vent 1 is never completely shut, even if side air vent 2 is shut. ...

    Driving tips
    - Maintain a greater distance from the vehicle in front than when driving without a trailer. - Avoid braking abruptly. If possible, brake gently at first to allow the trailer to run on. Then, ...

    Fast forward/rewind
    Slide and hold the COMAND controller until the desired position has been reached. You see the navigation menu. ...