See also:

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 ...

Important safety notes
You can limit the opening angle of the tailgate. This is possible in the top half of its opening range, up to approximately 4 in (10 cm) before the stop. Make sure there is sufficient cleara ...

On-board diagnostic interface
WARNING If you connect equipment to the on-board diagnostics interface, it can affect the operation of the vehicle systems. This can impair the operating safety of your vehicle while driving ...