See also:

Important safety notes
WARNING When opening or closing the door windows, make sure that there is no danger of anyone being harmed by the opening/closing procedure. The door windows are equipped with automatic ...

Function restrictions
For safety reasons, some COMAND functions are restricted or unavailable while the vehicle is in motion. You will notice this, for example, because you will either not be able to select certain ...

Cleaning the steering wheel and gear or selector lever
  Thoroughly wipe with a damp cloth or use leather care agents that have been recommended and approved by Mercedes- Benz. ...