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

    See also:

    Notes for 4MATIC vehicles
    Vehicles with 4MATIC must not be towed with either the front or the rear axle raised, as doing so will damage the transmission. If the vehicle has transmission damage or damage to the front or ...

    Using the SmartKey
    The SmartKey must be close to the driver's door handle. Point the tip of the SmartKey at the driver's door handle. Press and hold the button until the side windows and the sliding sunro ...

    System self-test
    The indicator lamp illuminates when you: - turn the SmartKey to position 1 or 2 in the ignition lock - on vehicles with KEYLESS-GO, press the Start/Stop button once or twice If an adult o ...