Refueling - Mercedes-Benz C-Class 2017 Operator's Manual

you accidentally refuel with the wrong fuel.
Otherwise, the fuel will enter the fuel system.
Even small amounts of the wrong fuel could
result in damage to the fuel system and the
engine. The repair costs are high. Notify a
qualified specialist workshop and have the
fuel tank and fuel lines drained completely.
!
Overfilling the fuel tank could damage the
fuel system.
!
Take care not to spill any fuel on painted
surfaces. You could otherwise damage the
paintwork.
!
Use a filter when adding fuel from a fuel can.
The fuel lines and/or the fuel injection system
could otherwise be blocked by particles from
the fuel can.
If you overfill the fuel tank, fuel could spray out
when the fuel pump nozzle is removed.
For further information on fuel and fuel quality
( page 358).
Y

Refueling

General information
Pay attention to the important safety notes
( page 154).
Y
If you unlock/lock the vehicle from the outside,
the fuel filler flap also unlocks/locks.
The position of the fuel filler cap is displayed in
the instrument cluster 8. The arrow next to
the filling pump indicates the side of the vehicle.
Opening the fuel filler flap
To open the fuel filler flap
:
To insert the fuel filler cap
;
Tire pressure table
=
? Instruction label for fuel type to be refueled
Switch off the engine.
X
Remove the SmartKey from the ignition lock.
X
or, in vehicles with KEYLESS-GO start-function
or KEYLESS‑GO
Open the driver's door.
X
The vehicle electronics are now in position
u. This is the same as the key having been
removed.
Press the fuel filler flap in the direction of
X
arrow :.
The fuel filler flap swings up.
Turn the fuel filler cap counterclockwise and
X
remove it.
Insert the fuel filler cap into the holder on the
X
inside of fuel filler flap ;.
Completely insert the filler neck of the fuel
X
pump nozzle into the tank, hook in place and
refuel.
Only fill the tank until the pump nozzle
X
switches off.
Do not add any more fuel after the pump stops
filling for the first time. Otherwise, fuel may leak
out.
Vehicles with a diesel engine: the filler neck is
designed for refueling at diesel filling pumps.
Closing the fuel filler flap
Replace the cap on the filler neck and turn
X
clockwise until it engages audibly.
Close the fuel filler flap.
X
Close the fuel filler flap before locking the vehi-
cle.
If you are driving with the fuel filler cap open, the
8 reserve fuel warning lamp flashes. A mes-
sage appears in the multifunction display
( page 241).
Y
Refueling
155
Z