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:
General notes
When you lock the vehicle, you can simultaneously:
close the side windows
close the panorama roof with power tilt/ sliding panel
On vehicles with a panorama roof with power tilt/sliding panel ...
Safety
Dual-stage front airbags and door-mounted side-impact airbags for the front
and rear seats are standard. Optional curtain-type airbags deploy from above the
side windows. With Mercedes’ BabySmart ...
System self-test
The indicator lamp illuminates when
you:
turn the SmartKey to position 1 or 2 in the ignition lock
on vehicles with KEYLESS-GO, press the Start/Stop button once or twice
If an adult occupa ...