Premium-grade unleaded gasoline

performance of the engine, only premiumgrade 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:

    Safety
    The R-Class received a Good overall score — the highest rating possible — in the Insurance Institute for Highway Safety's frontal-offset and side-impact crash tests. It hadn't yet undergone IIHS' ...

    Displaying the range and current fuel consumption
    – Press the or button on the steering wheel to select the Trip menu. – Press the or button to select current fuel consumption and approximate range. 1 Approximate range 2 Current fuel ...

    Opening
    - Press the button on the SmartKey. - Pull handle 1. - Raise the tailgate. Vehicles with the EASY-PACK tailgate: if you pull handle 1 and then release it, the tailgate opens automatically. ...