Mercedes-Benz 2009 GL320 BlueTEC Operator's Manual page 408

Practical hints
®
AdBlue (diesel engine only)
If you and/or others have come into
®
contact with AdBlue :
®
If AdBlue has gotten into contact with
R
eyes, flush with plenty of water
immediately and seek medical help.
Clean affected skin immediately with
R
plenty of water.
®
If AdBlue was swallowed, rinse mouth
R
immediately with plenty of water and
drink plenty of water. Consult a
physician.
G Warning!
When opening the filler cap of the
®
AdBlue tank ammonia gas vapors may
®
escape. Refill AdBlue in a well ventilated
area only. Ammonia gas vapors have a
pungent odor and are particularly irritating
for your skin, mucous membranes, and
eyes. Inhaling ammonia gas vapors will
cause burning eyes, nose, and throat, as
well as coughing and watering eyes.
®
! Only use AdBlue complying with
ISO 22241. Do not add additives to
®
AdBlue and do not dilute AdBlue
406
water. Otherwise, the BlueTEC exhaust gas
aftertreatment system could be damaged.
Damage caused by using additives or
diluting with water are not covered by the
Mercedes-Benz Limited Warranty.
! Rinse surfaces that have come into
contact with AdBlue
with a moist cloth and cold water
immediately. If AdBlue
already, use cold water and a sponge.
®
AdBlue residues will crystallize and soil
the affected surfaces.
! ®
AdBlue is not a fuel additive and must
not be added to the diesel fuel tank. If
®
AdBlue reaches the diesel fuel tank, the
engine could be damaged which is not
covered by the Mercedes-Benz Limited
Warranty.
For more information on AdBlue
( Y page 437).
®
The AdBlue filler neck is located under the
cargo compartment floor.
X
Switch off the ignition.
X
Open the tailgate (
®
with
X
Lift the cargo compartment floor
( Y page 327).
® ®
, or remove AdBlue
®
has crystallized
1
X
Turn cover
remove it.
®
, see
2
Y page 90).
®
AdBlue filler cap cover
counterclockwise and
1
®
AdBlue filler cap