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Service products
340
®
On BlueTec
5 vehicles, set the fuel sulphur
content (
Y
page 161).
Certain countries have diesel fuel with varying
sulphur content. Diesel fuel with low sulphur
content is sold in certain countries under the
name "Euro diesel".
Information regarding the current country-
specific sulphur content of fuel can be
obtained from any Mercedes-Benz Service
Centre or found on Sheet No. 136.2. of the
Mercedes-Benz Specification for Service
Products.
Diesel fuels at low temperatures
G
WARNING
If you heat fuel system components, e.g. with
a hot-air gun or naked flame, these compo-
nents could be damaged. This can cause fuel
to escape and ignite. Depending on the type
of damage, fuel may also not escape until the
engine is running. There is a risk of fire and
explosion.
Never heat fuel system components. Contact
a qualified specialist workshop to rectify the
malfunction.
At low outside temperatures, paraffin sepa-
ration may cause the flow properties of the
diesel fuel to be insufficient.
To prevent operating problems, diesel fuel
with improved flow properties is available in
the winter months.
Winter diesel fuels are reliable down to out-
side temperatures of Ò22 † in Germany and
other central European countries. You can
normally use winter diesel fuel without prob-
lems at the outside temperatures expected in
the country where it is on sale.
Fuel additives
! Do not add any petrol or kerosene to die-
sel fuel to improve its flow characteristics.
Petrol or kerosene impairs the lubricity of
the diesel fuel. This can cause damage to
the injection system, for example.
The vehicle may be equipped with a fuel pre-
heating system. The fuel preheating system
can warm up the fuel by approximately 8 †.
This improves the flow characteristics of the
fuel.
®
AdBlue
®
AdBlue
notes
®
! Only use AdBlue
with DIN 70070/ISO 22241. Do not use
any additives.
®
If AdBlue
/DEF comes into contact with
painted or aluminium surfaces when filling
the tank, rinse the affected area immedi-
ately with plenty of water.
®
If the AdBlue
tank still contains enough
®
AdBlue
, pressure compensation may occur
when the tank lid is unscrewed. AdBlue
spill out. Therefore, open the AdBlue
®
carefully. If AdBlue
spills out, immediately
wash the affected area with plenty of water.
®
AdBlue
is a non-flammable, non-toxic, col-
ourless, odourless and water-soluble liquid.
When opening the AdBlue
amounts of ammonia vapours could escape.
Ammonia vapours have a pungent smell and
are particularly irritating to:
skin
R
mucous membranes
R
eyes
R
The vapours may cause a burning sensation in
the eyes, nose and throat as well as irritation
of the throat and watering eyes.
Avoid inhaling ammonia vapours. Only fill the
®
AdBlue
tank in well-ventilated areas.
®
AdBlue
should not come into contact with
skin, eyes or clothing, and should not be swal-
®
lowed. Keep AdBlue
dren.
/DEF in accordance
®
may
®
tank lid
®
tank, small
out of the reach of chil-
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