Observe the notes on operating fluids More.
Even small amounts of the wrong fuel could result in damage to the fuel system, the engine and the emission control system.
Fuel of this specification may contain up to 10 % ethanol. Your vehicle is suitable for use with E10 fuel.
Diesel
E85, E100
Petrol containing methanol (M15, M30, M85, M100)
Petrol with additives containing metal
If you accidentally refuel with the wrong fuel:
E 200, E 250, E 400 4MATIC: Observe the information on sulphur content on the information table in the fuel filler flap:
All other models: If the available fuel is not sufficiently low in sulphur, this can produce unpleasant odours.
Recommended fuel: the recommended octane number for your vehicle can be found in the information table in the fuel filler flap More.
As a temporary measure, if the recommended fuel is not available, you may also use unleaded regular petrol with an octane number of at least:
E 250: 93 RON
All other models: 91 RON
This may reduce engine output and increase fuel consumption.
Never refuel using petrol with a lower RON .
At a filling station
At a qualified specialist workshop