Fuel grade

damaging the catalytic converter. You should only refuel with unleaded premium-grade gasoline as this avoids damaging the catalytic converter.

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.

injection system could be blocked by particles from the 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.

number of 91 (average value of 96 RON/ 86 MON). 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.

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:

    Showing/hiding the menu
    To hide the menu: slide the COMAND controller over the map. The Full Screen menu item is shown. Confirm the Full Screen menu item shown by pressing . The map can be seen in the full- ...

    Adding DEF
    WARNING Make sure - DEF does not come into contact with skin, eyes, or clothing - to keep DEF out of the reach of children If you and/or others have come into contact with DEF: - If DEF has gott ...

    Useful information
    This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences ...