Fuel grade

premiumgrade You should only refuel with premiumgrade unleaded gasoline, as this avoids damaging the catalytic converter.
Flexible fuel vehicles, identifiable from the label inside the fuel filler flap, can be refueled with E85. For further information on flexible fuel, see "Fuel".
If engine running problems are apparent, have the cause checked immediately and repaired. Excess unburned fuel can otherwise enter the catalytic converter, leading to overheating and possibly causing a fire.

a fuel can. Use a filter when refueling from a fuel can.
Otherwise, the fuel lines and/or injection system could be blocked by particles from the fuel can.

unleaded Only refuel with premium-grade unleaded gasoline with a specified minimum octane number of 91 (average value of 96 RON/86 MON).

You will usually find information about the fuel grade on the pump. If you cannot find the label on the pump, ask the staff for assistance.

C 300 and C 300 Sport with automatic transmission: you can tell a flexible fuel vehicle by the label inside the fuel filler flap.

You can find more information under "Fuel", or by contacting an authorized Mercedes-Benz Service Center or visiting http://www.mbusa.com (USA only).

    See also:

    Canceling Parking Guidance
    •► Press the PARKTRONIC button on the center console (Y page 194). Parking Guidance is canceled immediately and PARKTRONIC is deactivated. Parking Guidance is canceled automatically if i ...

    Dashboard fuse box
    There is a fuse box located on both the driver's side and the front-passenger side. Do not use a pointed object such as a screwdriver to open the cover in the dashboard. You could damage the ...

    Cargo Room
    As is the case in many large SUVs, despite having room for seven people in its three rows, the GL leaves little room for luggage when all its seats are in use; there's just 14.3 cubic feet behind ...