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:
Menu overview
The number of menus shown depends on the optional equipment in the vehicle.
Function
1 Trip menu
2 Navi menu (navigation details)
3 Audio menu
4 Tel menu (telephone)
5 DriveAssist menu (assist ...
Important safety notes
DISTRONIC PLUS regulates the speed and
automatically helps you maintain the
distance to the vehicle detected in front. It
brakes automatically in order to avoid
exceeding the set speed.
On lo ...
Problems with fuel and the fuel tank
Problem
Possible causes/consequences and - Solutions
Fuel is leaking from the
vehicle.
!!! Risk of explosion or fire !!!
The fuel line or the fuel tank is defective.•` ...