Mercedes-Benz C-Class Saloon 2022 Owner's Manual page 200

Do not switch on the vehicle.
#
Consult a qualified specialist workshop.
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* NOTE Do not use diesel to refuel vehicles
with a petrol engine
If you have accidentally refuelled with the
wrong fuel:
Do not switch on the vehicle. Otherwise
R
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.
#
Have the fuel tank and fuel lines drained
#
completely.
* NOTE Do not use petrol to refuel vehicles
with a diesel engine
If you have accidentally refuelled with the
wrong fuel:
Do not switch on the vehicle. Otherwise,
R
fuel can enter the fuel system.
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.
#
Have the fuel tank and fuel lines drained
#
completely.
* NOTE Damage to the fuel system due to
overfilling the fuel tank
Only fill the fuel tank until the pump noz-
#
zle switches off.
If too much fuel has been added due, for
example, to a faulty filling pump:
Do not switch on the vehicle.
#
Driving and parking 197
Consult a qualified specialist workshop.
#
* NOTE Fuel may spray out when you
remove the fuel pump nozzle
Only fill the fuel tank until the pump noz-
#
zle switches off.
Requirements
The vehicle is unlocked.
R
Plug-in hybrid with petrol engine: The fuel tank
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was vented before refuelling (
This function is country-dependent.
Observe the notes on service fluids and fuel.
The recommended octane number for your vehi-
cle can be found on the information label in the
fuel filler flap.
page 199).
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