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:
Windshield/headlamp cleaning
system
WARNING
Washer solvent/antifreeze is highly
flammable. Do not spill washer solvent/antifreeze on hot engine parts, because
it may
ignite and burn. You could be seriously
burned.
Use MB Sum ...
Important safety notes
WARNING
Never switch off the engine while the vehicle
is in motion.
There is no brake boost for the service brake
if the engine is not running. If the ignition is
switched off, there is also ...
Extending/retracting the rear window
blind
Make sure that the rear window blind can
move freely. Otherwise, the blind or other
objects could be damaged.
The rear window blind is deactivated at
temperatures below -20 °C.
To extend/ ...