Fuel filler flap
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESSGO.
The position of the fuel filler cap is displayed
in the instrument cluster 
. The
arrow
next to the filling pump indicates the side of
the vehicle.
Example: Sedan
1. To open the fuel filler flap
2. To insert the fuel filler cap
3. Tire pressure table
4. Fuel type
See also:
COMAND display
Display overview
The COMAND display shows the function currently selected and its associated
menus. The
COMAND display is divided into several areas.
The radio display is shown in the example.
...
DISTRONIC displays in themultifunction display
► Press the
button to select the
DISTRONIC menu.
Display when DISTRONIC is deactivated
When DISTRONIC is deactivated, you will see
the following in the multifunction display:
1 Vehicle ...
Trailer towing
PARKTRONIC is deactivated for the rear area
when you establish an electrical connection
between your vehicle and a trailer.
Fold in the ball coupling if the trailer tow
hitch is not required. ...