Problems with the windshield wipers

The windshield wipers are obstructed

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

The wiper motor has been deactivated.

•► For safety reasons, you should remove the SmartKey from the ignition lock.
or
•► Switch off the engine using the Start/Stop button and open the driver's door.

•► Remove the cause of the obstruction.

•► Switch the windshield wipers back on.

The windshield wipers are inoperative

The windshield wiper drive is malfunctioning.

•► Select another wiper speed on the combination switch.

•► Have the windshield wipers checked at a qualified specialist workshop.

The spray nozzles are misaligned

The windshield washer fluid from the spray nozzles no longer hits the center of the windshield. The spray nozzles are misaligned.

•► Have the spray nozzles adjusted at a qualified specialist workshop.

    See also:

    Activating RACE START
    •► Depress the brake pedal with your left foot, and keep it depressed. •► Turn the drive program selector clockwise until the RS lamp lights up. The multifunction display shows the RAC ...

    DEF
    Important safety notes For BlueTEC vehicles only. DEF is a non-flammable, non-toxic, colorless, odorless and water-soluble fluid. Only use DEF that complies with ISO 22241. Do not add any ...

    M-Class in the Market
    It's a bitter pill for a reviewer to swallow when you see a test car do so many things so right, yet fall short in a few key areas. Most shoppers — even most car reviewers — won't get to spend as ...