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 ...

Exhaust check
WARNING Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the engi ...

Additives in gasoline
One of the main problems of poor fuel quality is the forming of deposits that are caused during the gasoline combustion process. Mercedes-Benz recommends that you use fuel brands that have the add ...