Fuel filler flap
The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESSGO.
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.
Example: Sedan
1. To open the fuel filler flap
2. To insert the fuel filler cap
3. Tire pressure table
4. Fuel type
See also:
R350 Bluetec in the Market
One look at Mercedes' 2010 sales numbers is all you need to understand the
R-Class' niche status. In a year when the automaker's midsize M-Class and
full-size GL-Class SUVs sold around 30,000 and ...
Setting the front-compartment airflow
using the front control panel
You can select different airflow settings for
the driver's and front-passenger sides as well
as for the rear compartment.
You can also use COMAND to set the airflow.
Turn the SmartKey to positi ...
Setting the rear-compartment airflow
using the rear control panel
Turn the SmartKey to position 2 in the
ignition lock.
To increase/reduce: press rocker switch
14 up or down. ...