Premium-grade unleaded gasoline

To ensure the longevity and full To ensure the longevity and full performance of the engine, only premiumgrade unleaded gasoline may be used.
If there is no premium-grade unleaded gasoline available and regular-grade unleaded gasoline may be used; please observe the following precautions:
- only fill the fuel tank to half full with regular-grade unleaded gasoline and fill the rest with premium-grade unleaded gasoline as soon as possible.
- do not drive at the maximum speed.
- avoid sudden acceleration.
- if the vehicle is carrying a light load, e.g. two passengers without luggage, do not allow the engine to rev above 3,000 rpm.
- if the vehicle is fully loaded or is being operated in mountainous terrain, do not depress the accelerator pedal further than 2/3 of the pedal travel.

    See also:

    Displaying station information
    This function is only available for analog FM and digital AM/FM programs (HD Radio). Information relevant to the current station is shown below the main function bar. Select Radio in the radio ...

    Driving Impressions
    This CLS sedan doesn't look like a typical Mercedes-Benz. Relatively light steering detracts from the sporty feel even though handling capabilities rank high. This is a big car, yet it maneuvers l ...

    Adaptive backrest (AMG vehicle)
    You can adjust the contour of the front seat backrests individually so as to provide optimum support for your back. Adaptive backrest (AMG vehicle) 1 To adjust the upper back support 2 To adj ...