Mercedes-Benz A-Class Owner's Manual page 370

petrol with more than 10% ethanol by vol‐
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ume, e.g. E15, E20, E85, E100
petrol with more than 3% methanol by
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volume, e.g. M15, M30
petrol with additives containing metal
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If you have accidentally refuelled with the
wrong fuel:
do not switch on the ignition.
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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 petrol with maximum 5% ethanol by vol‐
ume
2 For petrol with maximum 10% ethanol by vol‐
ume
According to European standard EN 16942 you
can find the compatibility indications at the fol‐
lowing locations:
on the instruction label on the fuel filler flap
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on the fuel pump or pump nozzle suitable for
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your vehicle throughout Europe
If the available fuel is not sufficiently low in sul‐
phur, this can produce unpleasant odours.
Technical data 367
The recommended octane number for your vehi‐
cle can also be found on the instruction label in
the fuel filler flap ( page 165).
→
As a temporary measure, if the recommended
fuel is not available, you may also use regular
unleaded petrol with at least 91 RON. This may
reduce engine output and increase fuel con‐
sumption.
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
Observe the notes on operating fluids
( page 365).
→
* NOTE Damage from use of unsuitable
additives
Even small amounts of the wrong additive
may lead to malfunctions occurring.
Only add cleaning additives recommen‐
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ded by Mercedes-Benz to the fuel.