The windshield wipers are inoperative

The windshield wiper drive is malfunctioning.

the Select another wiper speed on the combination switch.
at a Have the windshield wipers checked at a qualified specialist workshop.

    See also:

    Engine emergency off
    If the engine cannot be switched off as described, observe the following procedure: ► Take the fuse allocation chart out of the vehicle tool kit. ► Search for fuse 120 in the fuse al ...

    The Inside
    The GL's cabin is finished in nice materials — that's the price of entry in this class — but the interior design isn't especially memorable. Fit and finish are also good. Ranking as one of the m ...

    Under the Hood
    The ML350 carries a 232-hp, 3.7-liter V-6 engine, while the ML500 comes with a 288-hp, 5.0-liter V-8. Both models use a five-speed-automatic transmission with a manual shift gate. The permanently ...