See also:

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. ...

Activating/deactivating Lane Keeping Assist
You can use the Lane Keep. Asst. function to activate/deactivate Lane Keeping Assist or Active Lane Keeping Assist. •► Press the button on the steering wheel to select the DriveAssist me ...

Driving systems
Display messages Possible causes/consequences and •► Solutions Attention Assist: Pause! Based on specific criteria, ATTENTION ASSIST has determined that the driver is tired ...