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 ...

Activating/deactivating Blind Spot Assist
You can use the Blind Spot Asst. function to activate or deactivate Blind Spot Assist or Active Blind Spot Assist. Press or on the steering wheel to select the DriveAssist menu. Press ...

Cleaning the wheels
Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning it, ...