The windshield wipers are obstructed

Leaves or snow, for example, may be obstructing the windshield wiper movement.

The wiper motor has been deactivated.

remove the SmartKey from the ignition lock. For safety reasons, you should remove the SmartKey from the ignition lock.
or
Start/Stop button and open the driver's door. Switch off the engine using the Start/Stop button and open the driver's door.
obstruction. Remove the cause of the obstruction.
on. Switch the windshield wipers back on.

    See also:

    Display settings
    Select Vehicle by turning the COMAND controller and press to confirm. Select Display OFF by turning the COMAND controller and press to confirm. To switch on the display: press ...

    Automatic anti-glare mirrors
    WARNING If incident light from headlamps is prevented from striking the sensor in the rear-view mirror, for instance, by luggage piled too high in the vehicle, the mirror's automatic antiglare ...

    Styling
    The 2012 M-Class retains many of the previous generation's styling cues, like a wide front grille and forward-swept C-pillars, but the new design looks more substantial and imposing. Contributing ...