Fuel filler flap
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESS-GO.
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.
1 To open the fuel filler flap
2 To insert the fuel filler cap
3 Tire pressure table
4 Fuel type
See also:
Important notes
The "HD Radio" section provides detailed
information on the following:
• special functions available exclusively for HD Radio when compared with
analog AM and FM radio
• selecting ...
Important safety notes
Cruise control maintains a constant road speed for you. It brakes automatically
in order to avoid exceeding the set speed. On long and steep downhill gradients,
especially if the vehicle is laden ...
BAS PLUS (Brake Assist System Plus)
BAS PLUS is only available in vehicles
equipped with DISTRONIC PLUS.
Observe the "Important safety
notes"
section.
At speeds above approximately
20 mph (30 km/h), BAS PLUS assists ...