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:

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific diffe ...

    Using the TIREFIT kit
    You can use the TIREFIT kit to seal small punctures, particularly those in the tire tread. You can use TIREFIT at outside temperatures down to -4 °F (-20 °C). WARNING TIREFIT is a limited ...

    Please bear the following in mind
    At the onset of winter, have your vehicle winterproofed at a qualified specialist workshop, e.g. at an authorized Mercedes- Benz Center. Observe the notes in the "Changing a wheel" sectio ...