Mercedes-Benz CLA Shooting Brake 2023 Owner's Manual page 284

282 Driving and parking
Pull switch 1 once briefly.
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2
Indicator lamp will flash and the
wait Depressurising fuel tank
appear on the driver's display.
When the fuel tank is depressurised, indicator
lamp 2 will light up continuously.
The Fuel tank is depressurised Ready for
refuelling message will appear on the driver's
display and the fuel filler flap will open auto-
matically.
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Depressurising the fuel tank may take several
minutes.
The fuel tank can be depressurised only if the
conditions described above are fulfilled. Other-
wise, drive the vehicle at least 0.5 km and repeat
the process.
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In the following situations, there is a malfunc-
tion:
Indicator lamp 2 flashes initially and then
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goes out.
The yellow engine diagnostics warning
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lamp ; lights up.
* NOTE Damage to the fuel filler flap when
Please
opening it
message will
If an attempt is made to open a fuel filler flap
that is not unlocked, the fuel filler flap or the
opening mechanism may be damaged.
Only refuel when the fuel filler flap has
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opened automatically.
You can watch an animation on this topic via the
following link:
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AdBlue (vehicles with a diesel engine only)
▌Notes on topping up AdBlue
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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.
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AdBlue is characterised by the following:
non-toxic
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colourless and odourless
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®
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in accordance
F118 0058 02
non-flammable
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If you open the AdBlue tank, small amounts of
ammonia vapour may be released. Only fill the
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AdBlue tank in well-ventilated areas.
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Do not let AdBlue come into contact with skin,
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eyes or clothes. Keep AdBlue away from chil-
dren.
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Do not ingest AdBlue . If AdBlue
immediately rinse your mouth out thoroughly.
Drink plenty of water. Seek medical attention at
once.
Observe the notes on operating fluids
( page 747).
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AdBlue is available here:
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AdBlue can be topped up by fast service at a
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qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
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AdBlue is available at many filling stations
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from AdBlue filling pumps.
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Alternatively, AdBlue is available at qualified
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specialist workshops, e.g. Mercedes-Benz
Service Centres, and at many filling stations in
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is swallowed,