Mercedes-Benz GL-Class 2009 Owners Manual - Manual (Page 268)

At the gas station
266
i Gasoline engine:
Only use premium unleaded gasoline with
a minimum Posted Octane Rating of 91
(average of 96 RON/86 MON).
Information on gasoline quality can
normally be found on the fuel pump. Please
contact gas station personnel in case
labels on the pump cannot be found.
For more information on gasoline, see
“Premium unleaded gasoline (gasoline
engine)” (
Y page 435), see “Fuel
requirements” ( Y page 436), or contact an
authorized Mercedes-Benz Center, or visit
www.mbusa.com (USA only).
i Diesel engine:
Only use commercially available vehicular
ULTRA-LOW SULFUR DIESEL FUEL
(15 ppm SULFUR MAXIMUM). Information
on diesel quality can normally be found on
the fuel pump. Please contact gas station
personnel in case labels on the pump
cannot be found.
For more information on diesel fuels, see
“Fuel requirements” (
Y page 436), or
contact an authorized Mercedes-Benz
Center, or visit www.mbusa.com (USA
only).
i Diesel engine:
If you have driven the vehicle until the tank
is empty, the fuel system needs to be bled
(
Y page 404).
The fuel filler flap is located on the right-hand
side of the vehicle towards the rear.
Locking/unlocking the vehicle with the
SmartKey automatically locks/unlocks the
fuel filler flap.
i In case that the central locking system
does not release the fuel filler flap, see
“Fuel filler flap” (
Y page 385).
1 Fuel filler flap
2 Fuel filler cap
X Turn off the engine.
i Leaving the engine running and the fuel
filler cap open can cause the yellow fuel
tank reserve warning lamp to flash and the
malfunction indicator lamp
? (USA
only) or ± (Canada only) to illuminate.
For more information, see also “Practical
hints” (
Y page 379).
X Remove the SmartKey from the starter
switch.
KEYLESS-GO: Open the driver’s door (this
puts the starter switch in position
0, same
as with the SmartKey removed from the
starter switch). The driver’s door then can
be closed again.
X Opening: Press fuel filler flap 1 at the
point indicated by the arrow.
X Turn fuel filler cap 2 counterclockwise.
X Take off fuel filler cap 2 .
! The fuel filler cap is tethered to the fuel
filler neck. Do not drop the cap. It could
damage the vehicle paint finish.
X Set fuel filler cap 2 on fuel filler flap 1 .
X Fully insert filler nozzle unit and refuel.
X Only fill your tank until the filler nozzle unit
cuts out –
do not top off or overfill.
Operation