Mercedes-Benz GLC 200 4MATIC Owner's Manual page 447

444 Technical data
The recommended octane number for your vehi-
cle can be found on the information label in the
fuel filler flap ( page 206).
/
Never refuel using petrol with a lower RON.
Further information on fuel can be obtained at a
filling station or a qualified specialist workshop.
▌Information on additives in petrol (vehicles with
petrol engine)
Observe the notes on operating fluids
( page 441).
/
* NOTE Damage from use of unsuitable
additives
Even small amounts of the wrong additive may
lead to malfunctions occurring.
Only add cleaning additives recommen-
#
ded by Mercedes-Benz to the fuel.
Mercedes-Benz recommends that you use brand-
name fuels with additives.
In some countries, the fuel available may not have
sufficient additives. Deposits could build up in the
fuel injection system as a result. In this case, in
consultation with a Mercedes-Benz service
centre, mix the fuel with the cleaning additive rec-
ommended by Mercedes-Benz. Observe the notes
and mixing ratios indicated on the tank.
▌Information on fuel quality for vehicles with a
diesel engine
General notes
Observe the notes on operating fluids
( page 441).
/
& 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
R
Marine diesel
R
Heating oil
R
Pure fatty acid methyl ester or vegetable
R
oil
Paraffin or kerosene
R
If you have accidentally refuelled with the
wrong fuel: