Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 453

450 Technical data
& WARNING Risk of fire from fuel mixture
If you mix diesel fuel with petrol, the flash
point of the fuel mixture is lower than that of
pure diesel fuel.
Never refuel using petrol in diesel
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engines.
Never mix petrol with diesel fuel.
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* NOTE Damage caused by the wrong fuel
Even small amounts of the wrong fuel could
result in damage to the fuel system, the
engine and the emission control system.
Vehicles with a diesel particulate filter:
Only refuel using sulphur-free diesel fuel
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that conforms to European standard
EN 590, or an equivalent specification.
In countries without sulphur-free diesel
fuel, refuel using only low-sulphur diesel
fuel with a sulphur content less than
50 ppm.
Vehicle without diesel particulate filter:
Only refuel using diesel fuel with a sul-
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phur content less than 500 ppm.
Never refuel with one of the following fuels:
Petrol
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Marine diesel
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Heating oil
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Pure fatty acid methyl ester or vegetable
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oil
Paraffin or kerosene
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If you have accidentally refuelled with the
wrong fuel:
Do not switch on the vehicle.
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Consult a qualified specialist workshop.
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The following compatibility indications for fuel
apply to your vehicle:
1 For diesel fuel with a maximum of 7% fatty
acid methyl ester by volume (bio-diesel)
2 For diesel fuel with a maximum of 10% fatty
acid methyl ester by volume (bio-diesel)
According to European standard EN 16942 you
can find the compatibility indications at the fol-
lowing locations:
On the vehicle on the information label on the
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fuel filler flap ( page 195)
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On the fuel dispenser or pump nozzle suitable
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for your vehicle throughout Europe