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:

    Important notes
    In order to prevent the vehicle's battery from discharging, the interior lighting functions are automatically deactivated after some time except for when the SmartKey is in position 2 in the i ...

    Windshield/headlamp cleaning system
    WARNING Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/antifreeze on hot engine parts, because it may ignite and burn. You could be seriously burned. Use MB Summ ...

    Checking tire pressure electronically
    •► Make sure that the SmartKey is in position 2  in the ignition lock. •► Press the button on the steering wheel to select the Service menu. •► Press the button to sel ...