Practical tips
CAUTION
●
Never use of F
AME (biodiesel), petrol,
heating oil, other fuels or thinning agents
as they can cause severely damage the
fuel system and the engine.
●
If the wrong fuel has been filled, do not
start the engine under any circumstances.
Risk of damaging the fuel system and the
engine! Obtain technical assistance.
AdBlue
®
Inf
ormation on AdBlue
®
Fig. 302 Related video
The consumption of AdBlue
®
depends on
your personal driving st
yl
e
, the temperature
of the system and on the outdoor tempera-
ture when the vehicle is used.
AdBlue
®
freezes at temperatures of -11 °C (+13
°F). The system has heating elements that
guarantee its operation even at low tempera-
tures.
The AdBlue
®
tank level capacity is approxi-
mately 11 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 346. 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. 303
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.
346
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