Mercedes-Benz G-Class 2020 Operator's Manual page 420

418 Technical data
Immediately rinse fuel off your skin with
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soap and water.
If fuel comes into contact with your
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eyes, immediately rinse them thor‐
oughly with clean water. Seek medical
attention immediately.
If you swallow fuel, seek medical atten‐
#
tion immediately. Do not induce vomit‐
ing.
Change immediately out of clothing that
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has come into contact with fuel.
Fuel
Notes on fuel grades for vehicles with a gas‐
oline engine
Observe the notes on operating fluids
( page 416).
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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.
Only refuel with low-sulfur unleaded
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fuel.
This fuel may contain up to 10% ethanol by
volume. Your vehicle is suitable for use with
E10 fuel.
Never refuel with one of the following fuels:
Diesel
R
Gasoline with more than 10% ethanol by
R
volume, e.g. E15, E85, E100
Gasoline with more than 3% methanol by
R
volume, e.g. M15, M30, M85, M100
Gasoline with additives containing metal
R
If you have accidentally refueled with the
wrong fuel:
Do not switch on the ignition.
#
Consult a qualified specialist workshop.
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If the available fuel is not sufficiently low in sul‐
fur, this can produce unpleasant odors.
Only refuel with fuel that has at least the octane
number specified in the instruction label in the
fuel filler flap ( page 152).
/
If you want maximum engine output: only
refuel with unleaded premium grade gasoline
with an octane number of at least 91 AKI/
95 RON.
As a temporary measure, if the recommended
fuel is not available, you may also refuel with
unleaded regular gasoline with at least 87 AKI/
91 RON. This may reduce engine output and
increase fuel consumption.
Never refuel using gasoline with a lower RON.
* NOTE Premature wear through unleaded
regular gasoline
Unleaded regular gasoline can cause the
engine to wear more quickly and impair lon‐
gevity and performance.
If unleaded premium grade gasoline is
unavailable and you have to refuel using
unleaded regular gasoline: