Mercedes-Benz AMG GT Operator's Manual page 115

Never refuel with one of the following fuels:
Diesel
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Gasoline with more than 10% ethanol by
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volume, e.g. E15, E85, E100
Gasoline with more than 3% methanol by
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volume, e.g. M15, M30, M85, M100
Gasoline with additives containing metal
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If you have accidentally refueled 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 have accidentally refueled with the
wrong fuel:
Do not switch the ignition on. 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.
Consult a qualified specialist workshop.
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Have the fuel tank and fuel lines
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drained completely.
* 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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% Do not get into the vehicle again during the
refueling process. Otherwise, electrostatic
charge could build up again.
Driving and parking 113
Observe the notes on operating fluids and fuel.
Only refuel with fuel that has at least the octane
number specified in the information label in the
fuel filler flap. Otherwise, engine output can be
reduced and fuel consumption increased.
1 Fuel filler flap
2 Bracket for fuel filler cap
3 Tire pressure table