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178 Driving and parking
%
Vehicles with a diesel engine: Use a filler neck
with a large diameter for vehicles with a diesel
engine when topping up fuel from a fuel can.
Otherwise, the filler neck cannot be pushed
into the tank shaft.
Your vehicle is equipped with an incorrect fuel
protection system to prevent filling up with
the wrong fuel. This function may be deactiva-
ted in some countries due to local circum-
stances. For more information, consult a
Mercedes-Benz service centre.
Replace the cap on the filler neck and turn
#
clockwise until it engages audibly.
Close fuel filler flap 1.
#
®
AdBlue
(vehicles with a diesel engine only)
®
▌Notes on topping up AdBlue
®
AdBlue
is a water-soluble fluid for the NOx
exhaust gas aftertreatment of diesel engines. In
order for the exhaust gas aftertreatment to func-
®
tion properly, only use AdBlue
with ISO 22241.
®
AdBlue
is characterised by the following:
non-toxic
R
colourless and odourless
R
non-flammable
R
If you open the AdBlue
ammonia vapour may be released. Only fill the
®
AdBlue
tank in well-ventilated areas.
Do not let AdBlue
eyes or clothes. Keep AdBlue
dren.
Do not ingest AdBlue
immediately rinse your mouth out thoroughly.
Drink plenty of water. Seek medical attention at
once.
Observe the notes on operating fluids
(
page 363).
/
®
AdBlue
is available here:
AdBlue
R
qualified specialist workshop, e.g. a
in accordance
Mercedes-Benz Service Centre.
®
tank, small amounts of
®
come into contact with skin,
®
away from chil-
®
®
. If AdBlue
is swallowed,
®
can be topped up by fast service at a
®
AdBlue
is available at many filling stations
R
from AdBlue
®
filling pumps.
®
Alternatively, AdBlue
is available at qualified
R
specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many filling stations in
®
AdBlue
refill canisters or AdBlue
tles.
%
Ensure the connection between the refill con-
tainer and vehicle filler neck does not drip.
®
▌Refilling AdBlue
* NOTE Engine damage due to AdBlue
being in the fuel
®
AdBlue
must not be used to fill the fuel
#
tank.
®
Only use AdBlue
to fill the AdBlue
#
tank.
®
Do not overfill the AdBlue
#
®
refill bot-
®
®
tank.
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