See also:

Important safety notes
WARNING   Do not adjust the steering wheel while driving. Adjusting the steering wheel while driving, or driving without the steering wheel adjustment feature locked could cause the driv ...

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. ...

Crash-responsive emergency lighting
The interior lighting is activated automatically if the vehicle is involved in an accident. •► To switch off the crash-responsive emergency lighting: press the hazard warning lamp button. ...