See also:

Activation conditions
To activate cruise control, all of the following activation conditions must be fulfilled: - your vehicle must not be secured by the electric parking brake. - you are driving faster than 20 mph ...

Cleaning the headliner and carpets
  Headliner: use a soft brush or a cleaning agent recommended and approved by Mercedes-Benz to remove heavy soiling.   Carpets: use the carpet and textile cleaning agents recommended ...

Useful information
This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences ...