Mercedes-Benz 2013 GL X166 Operator's Manual page 176

Refueling
174
Opening
X
Switch off the engine.
X
Remove the SmartKey from the ignition
lock.
X
KEYLESS-GO: open the driver's door.
This corresponds to SmartKey position 0:
"SmartKey removed".
The driver's door can be closed again.
X
Press the fuel filler flap in the direction of
arrow :.
The fuel filler flap swings up.
X
Turn the fuel filler flap counter-clockwise
and remove it.
X
Insert the fuel filler cap into the holder
bracket on the inside of filler flap ;.
X
Completely insert the filler neck of the fuel
pump nozzle into the tank and refuel.
X
Only fill the tank until the pump nozzle
switches off.
i Do not add any more fuel after the pump
stops filling for the first time. Otherwise,
fuel may leak out.
Closing
X
Replace the cap on the filler neck and turn
clockwise until it engages audibly.
X
Close the fuel filler flap.
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. A message appears in the
multifunction display (
In addition, the ; Check Engine warning
lamp may light up (
Y page 299).
Y
page 324).