See also:

2008 Mercedes-Benz M-Class Review
Until a 2008 M-Class was assigned to me for this review, I had kind of forgotten that Mercedes redesigned this luxury SUV two years ago. Sure, I knew about the update when it was first announced, ...

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. ...

Active Lane Keeping Assist
Important safety notes Active Lane Keeping Assist monitors the area in front of your vehicle by means of a camera at the top of the windshield. Active Lane Keeping Assist detects lane markings ...