See also:

Important safety notes
WARNING   For reasons of safety, have the NECK-PRO head restraints/NECK-PRO luxury head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. WARNING&nbs ...

Storing the current speed or calling up a stored speed
WARNING The set speed stored in memory should only be set again if prevailing road conditions and legal speed limits permit. Possible acceleration or deceleration differences arising from ...

Displaying service messages
  Switch on the ignition.   Press or on the steering wheel to select the Serv. menu.   Press or to select the ASSYST PLUS submenu and press to confirm. The service due d ...