Fuel filler flap
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESS-GO.
The position of the fuel filler cap is displayed
in the instrument cluster 
. The
arrow
next to the filling pump indicates the side of
the vehicle.
1 To open the fuel filler flap
2 To insert the fuel filler cap
3 Tire pressure table
4 Fuel type
See also:
2011 Mercedes-Benz R-Class Review by Kristin Varela
What's a parent to do when they need to transport more than two or three
children (or adults for that matter), but they're not willing to make the leap
to a minivan and don't love the trucky feel ...
Opening/closing the garage door
Once programmed, the integrated garage
door opener will assume the function of the
garage door system's remote control. Please
also read the operating instructions for the
garage door system.
...
Defrosting the windshield
You can use this function to defrost the
windshield or to defrost the inside of the
windshield and the side windows.
You should only select the defrosting
function until the windshield is clear ...