Mercedes-Benz 2011 GL-Class Operator's Manual page 166

Refueling
164
®
!
AdBlue is not a additive and must not be
added to the diesel tank. If AdBlue
added to the diesel tank this could damage
the engine.
i
If you are adding between maintenance
intervals, add approximately 1 gallon (3.8 l)
®
of AdBlue to the AdBlue
(3.8 l) of AdBlue
®
2 AdBlue refill bottles.
Further information about
®
AdBlue ( Y page 367).
®
The AdBlue filler neck is under the luggage
compartment floor.
X
Switch off the ignition.
X
Open the tailgate.
X
Lift the luggage compartment floor
( Y page 310).
X
®
Turn AdBlue
remove it.
X
®
Turn AdBlue
and open it.
Filler cap ; is secured with a plastic strap.
®
®
tank. 1 gallon
®
is approximately
cap : anti-clockwise and
filler cap ; anti-clockwise
is
X
Unscrew the covering cap from AdBlue
refill bottle =.
X
Place AdBlue
neck as shown and screw on clockwise
hand-tight.
! Only screw on the AdBlue
hand-tight. It could otherwise be damaged.
X
Press AdBlue
The AdBlue
to one minute.
i If the AdBlue
pressed down, the filling process stops and
the partially emptied bottle can be
removed.
X
Release AdBlue
X
Turn AdBlue
and remove it.
X
Place AdBlue
neck and turn it clockwise.
®
refill bottle = on the filler
®
refill bottle
®
refill bottle = down.
®
tank is filled. This may take up
®
refill bottle is no longer
®
refill bottle =.
®
refill bottle = anti-clockwise
®
filler cap ; on the filler
®