Mercedes-Benz GLB 2023 Operator's Manual page 170

168 Driving and parking
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 spark-ignition
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engine fuel.
This fuel may contain up to 10% ethanol. Your
vehicle is suitable for use with E10 fuel.
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 on the vehicle.
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Consult a qualified specialist workshop.
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* NOTE Do not use diesel to refuel vehicles
with a gasoline engine
If you have accidentally refueled with the
wrong fuel:
Do not switch on the vehicle. 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 drained
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completely.
* NOTE Damage to the fuel system due to
overfilling the fuel tank
Only fill the fuel tank until the pump noz-
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zle switches off.
If too much fuel has been added due, for
example, to a faulty filling pump:
Do not switch on the vehicle.
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Consult a qualified specialist workshop.
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* NOTE Fuel may spray out when you
remove the fuel pump nozzle
Only fill the fuel tank until the pump noz-
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zle switches off.
Requirements
The vehicle is unlocked.
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Observe the notes on service fluids and fuel.
Only refuel with fuel that has at least the octane
rating specified in the information label in the fuel
filler flap. Otherwise, engine output may be
reduced and fuel consumption increased.