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:

    Crash-responsive emergency lighting
    The interior lighting is activated automatically if the vehicle is involved in an accident. To switch off the crash-responsive emergency lighting: press the hazard warning lamp button. or Loc ...

    General information
    - Do not exceed the legally prescribed maximum speed for vehicle/trailer combinations in the relevant country. This lowers the risk of an accident. - Only install an approved trailer coupling on ...

    Making adjustments in 1 mph (Canada: 1 km/h) increments
    Briefly press the cruise control lever to the pressure point, up 1 for a higher speed or down 2 for a lower speed. The last speed stored is increased or reduced. ...