Mercedes-Benz GL Operator's Manual page 186

Refueling
184
Opening the fuel filler flap
To open the fuel filler flap
:
To insert the fuel filler cap
;
Fuel type to be used
=
Tire pressure table
?
Switch the engine off.
X
Remove the SmartKey from the ignition
X
lock.
KEYLESS-GO: open the driver's door.
X
This corresponds to key position 0: "key
removed".
The driver's door can be closed again.
Press the fuel filler flap in the direction of
X
arrow :.
The fuel filler flap swings up.
Turn the fuel filler flap counter-clockwise
X
and remove it.
Insert the fuel filler cap into the holder
X
bracket on the inside of 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.
i
Vehicles with a diesel engine: the filler
neck is designed for refueling at diesel
filling pumps.
i
Do not add any more fuel after the pump
stops filling for the first time. Otherwise,
fuel may leak out.
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
i
Close the fuel filler flap before locking the
vehicle.
i
If you are driving with the fuel filler cap
open, the 8 reserve fuel warning lamp
flashes.
In addition, the ; Check Engine warning
lamp may light up (
A message appears in the multifunction
display ( page 308).
Y
For further information on warning and
indicator lamps in the instrument cluster,
see ( page 333).
Y
page 333).
Y