See also:

Adjusting luxury head restraints
WARNING   When folding back the side cushions, never reach between the side cushion and the mounting post. You could otherwise be trapped. ► To adjust the side bolsters of the h ...

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. ...

Cleaning the steering wheel and gear or selector lever
Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...