See also:

Starting procedure with the SmartKey
To start the engine using the SmartKey instead of KEYLESS-GO, pull the Start/Stop button out of the ignition lock. Turn the SmartKey to position 3 in the ignition lock and release it as so ...

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 ...

Multifunction steering wheel
1 Multifunction display 2 COMAND; see the separate operating instructions 3 Rejects or ends a call Exits phone book/redial memory Makes or accepts a call Switches to the redial memory Ad ...