Mercedes-Benz GLC : Operating fluids / Fuel

Notes on fuel grades for vehicles with gasoline engines

Observe the notes on operating fluids.

NOTE Damage caused by the wrong fuel

Even small amounts of the wrong fuel could result in damage to the fuel system, the engine and the emission control system.

Mercedes-Benz GLC. Fuel Only refuel with low-sulfur gasoline.

This fuel may contain up to 10% ethanol by volume. Your vehicle is suitable for use with E10 fuel.

Never refuel with one of the following fuels:

  • Diesel
  • Gasoline with more than 10% ethanol by volume, e.g. E15, E85, E100
  • Gasoline with more than 3% methanol by volume, e.g. M15, M30, M85, M100
  • Gasoline with additives containing metal

If you have accidentally refueled with the wrong fuel:

Mercedes-Benz GLC. Fuel do not switch the ignition on.

Mercedes-Benz GLC. Fuel Consult a qualified specialist workshop.

If the available fuel is not sufficiently low in sulfur, this can produce unpleasant odors.

Only refuel with fuel that has at least the octane number specified in the information label in the fuel filler flap.

If you want maximum engine output: only refuel with unleaded premium grade gasoline with an octane number of at least 91 AKI/ 95 RON.

As a temporary measure, if the recommended fuel is not available, you may also refuel with unleaded regular gasoline with at least 87 AKI/ 91 RON. This may reduce engine output and increase fuel consumption.

Never refuel using gasoline with an even lower RON.

NOTE Premature wear through unleaded regular gasoline

Unleaded regular gasoline can cause the engine to wear more quickly and impair longevity and performance.

If unleaded premium grade gasoline is unavailable and you have to refuel using unleaded regular gasoline:

Mercedes-Benz GLC. Fuel Only fill the fuel tank to half full with unleaded regular gasoline and refill as soon as possible with unleaded premium grade gasoline.

Mercedes-Benz GLC. Fuel Do not drive at the maximum design speed.

Mercedes-Benz GLC. Fuel Avoid sudden acceleration engine speeds over 3000 rpm.

Further information on fuel is available at the following locations:

  • At a gas station
  • At a qualified specialist workshop
  • On the https://www.mbusa.com (USA only)

Notes on additives in gasoline

Observe the notes on operating fluids.

NOTE Damage from use of unsuitable additives

Even small amounts of the wrong additive may lead to malfunctions occurring.

Mercedes-Benz GLC. Fuel Only add cleaning additives recommended by Mercedes-Benz to the fuel.

Mercedes-Benz recommends that you use brand-name fuels with additives.

In some countries, the fuel available may not have sufficient additives. Residue could build up in the fuel injection system as a result. In this case, in consultation with an authorized Mercedes-Benz Center, mix the fuel with the cleaning additive recommended by Mercedes- Benz. Observe the notes and mixing ratios indicated on the tank.

Tank content and reserve fuel

Capacity

 

Engine oil

    Notes on operating fluids

    NOTE Mercedes-AMG vehicles Observe the notes in the Supplement. You could otherwise fail to recognize dangers. WARNING Risk of injury from operating fluids harmful to your health Operating fluids may be poisonous and harmful to your health...

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