Mercedes-Benz M-Class 2009 Owners Manual - Manual (Page 383)

AdBlue ® (diesel engine only)
381
i For refilling outside the maintenance
service intervals, refill the AdBlue ® tank
with approximately 1 gal (3.79 l) AdBlue ®
(corresponds to approximately 2 AdBlue ®
refill containers).
Always use the particular AdBlue ® refill
containers for refilling outside the
maintenance service interval. Contact an
authorized Mercedes-Benz Center or call
Roadside Assistance if necessary
(
Y page 225).
Additional information on BlueTEC exhaust
gas aftertreatment and AdBlue
® is available
at any authorized Mercedes-Benz Center.
Refilling with AdBlue ®
G Warning!
Make sure
R AdBlue ® does not come into contact with
skin, eyes, or clothing
R to keep AdBlue ® out of the reach of
children
If you and/or others have come into
contact with AdBlue
® :
R If AdBlue ® has gotten into contact with
eyes, flush with plenty of water
immediately and seek medical help.
R Clean affected skin immediately with
plenty of water.
R If AdBlue ® was swallowed, rinse mouth
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 ® with
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 ® , or remove AdBlue ®
with a moist cloth and cold water
immediately. If AdBlue
® has crystallized
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 ® , see
( Y page 417).
The AdBlue ® filler neck is located under the
cargo compartment floor.
X Switch off the ignition.
X Open the tailgate ( Y page 90).
X Lift the cargo compartment floor
(
Y page 299).
Practical hints
Z