See also:

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. ...

Styling
Riding lower than a crossover but looking sleeker than a minivan, the R-Class might best be described as a large wagon. It's nearly as long as Mercedes' flagship S-Class full-size sedan, but wider ...

"Reverse parking" function
– Make sure that the rear view camera is activated and that the "Reverse parking" function is selected. See the separate operating instructions for COMAND. The lane and the guide line ...