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Practical tips
AdBlue
®
fr
eezes at temperatures of -11°C
(+13°F). The syst
em has heating el
ements
that guarantee its operation even at low tem-
peratures.
The AdBlue
®
tank level capacity is approxi-
mately 10.4 litres.
The AdBlue
®
tank should never be empty.
When the distance to empty drops below
2400 km, a warning to refill the AdBlue
®
tank
will appear on the dash panel display
›››
page 300. If this information is ignored,
later on it will not be possible to re-start the
engine. If this warning does not appear, it is
not necessary to refill the AdBlue
®
tank.
AdBlue
®
is a registered brand of the German
Association of the Automotive Industry (VDA)
and is also known as AUS32 or DEF (Diesel
Exhaust Fluid).
CAUTION
Filling the AdBlue
®
tank ex
cessively can
cause damage to the tank.
Refilling AdBlue
®
Fig. 268
AdBlue tank cap.
Operations prior to refilling
P
ark the v
ehicl
e on a flat surface. If the vehi-
cle is not parked on a flat surface, but, for ex-
ample, on a slope or on the side of a curb, the
level indicator may not detect the load prop-
erly.
If a warning message about AdBlue
®
levels
appears on the dash panel display, fill at
least the minimum amount required (ap-
prox. 5 litres) Only after adding this amount
will the system detect that AdBlue
®
has been
added and you will be able to start the en-
gine again. The maximum amount that can
be refilled is 11 litres.
Switch the ignition off. If the ignition is not
switched off during refilling, the warning to re-
fill may continue to appear on the instrument
panel display.
Fill with a refill bottle
Only use AdBlue
®
that complies with ISO
22241-1. Only use original containers.
●
Open the tank cover
›››
Fig. 268.
●
Unscrew the tank cap by turning it in an an-
ti-clockwise direction.
●
Please observe the manufacturer's instruc-
tions, indicated on the refill bottle.
●
Check the expiry date.
●
Remove the cap of the refill bottle.
●
Insert the neck of the bottle in the tank filler
neck vertically and screw the bottle on by
hand, by turning it in a clockwise direction.
●
Press the refill bottle in the direction of the
filler neck and hold it in this position.
●
Wait until the contents of the refill bottle
have been poured into the AdBlue
®
tank. Do
not compress or break the bottle!
●
Turn the bottle in a counter-clockwise di-
rection and gently pull it upwards
›››
.
●
The AdBlue
®
t
ank is full when no mor
e liquid
comes out of the bottl
e.
●
Screw on the tank cap in a clockwise direc-
tion until it is tightly closed.
●
Close the fuel tank flap.
Operations before driving
●
After refilling the tank, only switch on the ig-
nition.
300
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