See also:

Showing/hiding the picture
To hide the picture: select Display OFF in the system menu using the buttons on the remote control and press the button to confirm. The picture is hidden. To display the picture: press the ...

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. ...

Vehicle remote closing
If you forget to lock your vehicle but are no longer in the vicinity of the vehicle, it can be locked for you by the Mercedes-Benz Customer Assistance Center. The vehicle can be locked remotely up ...