See also:

Service messages
Information on the type of service and service intervals (see separate Service Booklet). You can obtain further information from an authorized Mercedes-Benz Center or at http://www.mbusa.com (USA ...

TWR (Tongue Weight Rating)
The TWR specifies the maximum permissible weight that the ball coupling of the trailer tow hitch can support. ...

Redialing
The on-board computer saves the last names or numbers dialed in the redial memory. Press the or button on the steering wheel to select the Tel menu. Press the button to switch to the ...