See also:

Removing the towing eye
  Loosen the towing eye and unscrew it.   Attach cover 1 to the bumper and press until it engages.   Place the towing eye in the vehicle tool kit. ...

Loading a trailer
When loading the trailer, make sure that neither the permissible gross weight of the trailer nor the gross vehicle weight are exceeded. The permissible gross vehicle weight is indicated on th ...

MB Info call button
Press and hold MB Info call button 1 for more than two seconds. This initiates a call to the Mercedes-Benz Customer Assistance Center. The indicator lamp in MB Info call button 1 flashes wh ...