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. ...

Derestricting the shift range
Briefly press the selector lever to the right towards D+. or Pull the right-hand steering wheel paddle shifter. The shift range is derestricted. ...

Automatic interior lighting control
To switch on/off: press the | button. When the automatic interior lighting control is activated, the button is flush with the overhead control panel. The interior lighting automatically switches on ...