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:
Problems with the rear window
defroster
The rear window defroster has deactivated
itself prematurely or cannot be activated.
•► Switch off any consumers that are not
required, e.g. reading lamps or interior
lighting.
When the ...
Setting the side air vents
Setting the side air vents
To open/close: turn
thumbwheel 3 to the
left or right.
Side window defroster vent 1 is
never
completely shut, even if side air vent 2 is
shut. ...
The drive system: Four new engines giving the ultimate in driving pleasure
Efficiency at the highest level: this is the common characteristic shared by
all four engines used in the Mercedes-Benz CLS-Class. All of the engines feature
increased performance and torque compa ...