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Service products and capacities
438
Diesel
Fuel grade
G
WARNING
If you mix diesel fuel with petrol, the flash
point of this fuel mixture is lower than that of
pure diesel fuel. When the engine is running,
components in the exhaust system may over-
heat unnoticed. There is a risk of fire.
Never refuel with petrol. Never add petrol to
diesel fuel.
!
When refuelling, only use diesel fuel that
conforms to the European standard EN 590 or
is of equivalent quality. Fuel that does not
conform to EN 590 can lead to increased wear
as well as damage to the engine and exhaust
system.
!
Do not use the following:
marine diesel
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heating oil
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bio-diesel
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vegetable oil
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petrol
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paraffin
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kerosene
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Do not mix such fuels with diesel fuel and do
not use any special additives. Otherwise,
engine damage may occur.
!
Vehicles with diesel particle filters: in
countries outside the EU, only use low sulphur
Euro diesel with a sulphur content of under
50 ppm. Otherwise, the emission control sys-
tem could be damaged.
!
Vehicles without a diesel particle filter:
in countries where only diesel fuel with a high
sulphur content is available, you will need to
carry out your vehicle's oil change at shorter
intervals. More information about the interval
for oil change can be obtained from any quali-
fied specialist workshop.
Usually you will find information about the fuel
grade on the pump. If you cannot find the label
on the petrol pump, ask the filling station staff.
Information on refuelling (
page 176).
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Low outside temperatures
In winter months, diesel fuel with an improved
cold flow quality is available. In Europe, the
EN 590 standard defines various climate-
dependent temperature categories. Malfunc-
tions can be avoided by refuelling with diesel
fuel that corresponds to the climatic specifica-
tions outlined in EN 590. At unusually low out-
side temperatures, it is possible that the flow
characteristics of the diesel fuel could be insuf-
ficient. Accordingly, diesel fuel from warmer
areas may not be suitable for operation in colder
climatic conditions.
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Further information on country-specific fuel
properties and fuel types with low-tempera-
ture resistance can be obtained from oil com-
panies, e.g. at filling stations.
Fuel consumption information
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Environmental note
CO
(carbon dioxide) is the gas which scien-
2
tists believe to be principally responsible for
global warming (the greenhouse effect). Your
vehicle's CO
emissions are directly related to
2
fuel consumption and therefore depend on:
efficient use of the fuel by the engine
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driving style
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other non-technical factors, such as envi-
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ronmental influences, road conditions or
traffic flow
You can minimise your vehicle's CO
sions by driving carefully and having it serv-
iced regularly.
The vehicle will use more fuel than usual in the
following situations:
at very low outside temperatures
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in urban traffic
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on short journeys
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in mountainous terrain
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when towing a trailer
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Only for certain countries: you can find the
current consumption and emission values of
your vehicle in the COC documents (EU CER-
TIFICATE OF CONFORMITY). These docu-
ments are delivered with your vehicle.
emis-
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