Mercedes-Benz S-Class Coupe 2018 Operator's Manual page 143

Do not get into the vehicle again during
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the refueling process.
Otherwise, electrostatic charge could
build up again.
* NOTE Damage caused by the wrong fuel
Vehicles with a gasoline engine:
Even small amounts of the wrong fuel could
result in damage to the fuel system, the
engine and the emission control system.
The RON requirement is located in the
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fuel filler flap.
Only refuel with low-sulfur unleaded
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fuel.
This fuel may contain up to 10 % ethanol.
Your vehicle is suitable for use with E10 fuel.
Do not refuel using the following fuels:
Diesel
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E15, E85, E100
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Gasoline containing methanol (M15, M30,
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M85, M100)
Gasoline with additives containing metal
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If you accidentally refuel with the wrong fuel:
Do not switch the ignition on.
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Consult a qualified specialist workshop.
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* NOTE Do not use diesel to refuel vehi‐
cles with a gasoline engine.
If you accidentally refuel with the wrong fuel:
Do not switch on the ignition. Otherwise
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fuel can enter the engine.
Even small amounts of the wrong fuel
could result in damage to the fuel system
and the engine. The repair costs are high.
Contact a qualified specialist workshop.
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Have the fuel tank and fuel lines
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drained completely.
Driving and parking 141
* NOTE Damage to the fuel system caused
by overfilled fuel tanks.
Only fill the fuel tank until the pump
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nozzle switches off.
* NOTE Fuel may spray out when you
remove the fuel pump nozzle.
Only fill the fuel tank until the pump
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nozzle switches off.
Requirements:
The vehicle is unlocked.
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Observe the notes on operating fluids
( page 395).
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