Closing

turn it Replace the fuel filler cap and turn it clockwise. The fuel filler cap audibly engages.
If you drive with the fuel Close the fuel filler flap.

filler cap open, If you drive with the fuel filler cap open, reserve fuel warning lamp addition, the  Check Engine warning flashes. In addition, the lamp may light up. A message appears in Check Engine warning lamp may light up. A message appears in the multifunction display.
For further information on warning and indicator lamps in the instrument cluster, see.

before locking the Close the fuel filler flap before locking the vehicle. A locking pin otherwise prevents the fuel filler flap from closing after the vehicle has been locked.

    See also:

    Reporting malfunctions relevant to safety
    For the USA only: The following text is reproduced as required of all manufacturers according to Title 49, Code of U.S. Federal Regulations, Part 575 pursuant to the National Traffic and Motor ...

    Setting the rear-compartment air distribution using the rear control panel
    Turn the SmartKey to position 2 in the ignition lock. Press rocker switch 13 or 16 up or down repeatedly until the desired air distribution symbol is shown in the display. ...

    DISTRONIC PLUS displays in the multifunction display
    General notes You can select the distance display in the Assistance menu of the onboard computer. Display when DISTRONIC PLUS is deactivated Select the Distance Display function using the ...