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:

    Interchanging the wheels
    WARNING Rotate front and rear wheels only if the tires are of the same dimension. If your vehicle is equipped with mixed-size tires (different tire dimensions front vs. rear), tire rotation i ...

    DISTRONIC PLUS displays in the multifunction display
    General notes You can select the distance display in the Assistance menu  of the onboard computer. Display when DISTRONIC PLUS is deactivated •► Select the Distance Display functio ...

    Tire size designation, load-bearing capacity and speed rating
    1 Tire width 2 Nominal aspect ratio in % 3 Tire code 4 Rim diameter 5 Load bearing index 6 Speed rating Tire data is vehicle-specific and may deviate from the data in the example. ...