See also:

Displaying destination information
Prerequisite: you have entered a destination and possibly an intermediate stop. To activate navigation mode: press the function button once or twice. To show the menu: press the COMAND ...

General notes
WARNING All categories of messages contain important information which should be taken note of and, where a malfunction is indicated, addressed as soon as possible at an authorized Mercedes-Be ...

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. ...