Mercedes-Benz G-Class Owner's Manual page 160

Consult a qualified specialist workshop.
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Requirements:
The vehicle is unlocked.
R
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Do not get into the vehicle again during the
refuelling process. Otherwise, electrostatic
charge could build up again.
Observe the notes on operating fluids and fuel.
The recommended octane number for your vehi‐
cle can be found on the information label in the
fuel filler flap.
1
Fuel filler flap
2 Fuel filler cap
3 Fuel type
4 QR code for rescue card
5
Tyre pressure table
Press on the back area of fuel filler flap 1.
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Turn the fuel filler cap anti-clockwise and
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remove it.
Driving and parking 157
Completely insert the pump nozzle into the
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tank filler neck, hook in place and refuel.
Only fill the fuel tank until the pump nozzle
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switches off.
% Vehicles with a diesel engine: the tank
filler neck is designed for refuelling at diesel
filling pumps.
% Vehicles with a diesel engine: when the
fuel tank is completely empty, top up with at
least 5 litres of diesel.
% Vehicles with a diesel engine: use a filler
neck with a large diameter for vehicles with
a diesel engine when topping up fuel from a
fuel can. Otherwise, the filler neck cannot
slide into the tank.
Replace the cap on the filler neck and turn
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clockwise until it engages audibly.
Close fuel filler flap 1.
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% Close the fuel filler flap before locking the
vehicle.