Closing
Replace the fuel filler cap and
turn it
clockwise. The fuel filler cap audibly
engages.
Close the fuel filler flap.
If you drive with the fuel
filler cap open,
reserve fuel warning lamp 
flashes. In
addition, the 
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.
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:
SmartKey
0 To remove the SmartKey
1 Power supply for some consumers, such as the windshield wipers
2 Ignition (power supply for all consumers) and drive position
3 To start the engine
As soon as the igni ...
Selecting a folder
This function is only available in MP3 mode.
Switch on MP3 mode.
Select Search by sliding and
turning
the COMAND controller and press
to confirm.
Select Folder by sliding and
turning ...
Downhill gradients
On long and steep gradients, you must
reduce the load on the brakes by shifting
early to a lower gear. This allows you to take
advantage of the engine braking effect and
helps avoid overheatin ...