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:
Radiator
Vehicles with a diesel engine: do not
cover the radiator, for example with a
winter front or bug cover. Otherwise, the
readings of the on-board-diagnostic
system may be inaccurate. Some of th ...
Exterior & Styling
A number of the GLK350's competitors, like the XC60 and Infiniti EX35, have
sleek exterior styling that favors smooth lines over right angles. The Mercedes,
meanwhile, maintains the traditional up ...
Important safety notes
The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicle easier.
You can activate and deactivate the EASYENTRY/
EXIT feature in the on-board
computer.
WARNING
You must make sure ...