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:
Interior
As much as I like how the CL looks from the outside, it's on the inside that
Mercedes outdoes the competition: Everything you see or touch looks and feels
good. If I shelled out the cash for a CL, ...
Engine number
Emission control information plate, including the certification of both
federal and Californian emissions standards
Engine number (stamped into the crankcase)
VIN (on the lower edge of the ...
Activating/deactivating the residual
heat function
It is possible to make use of the residual heat
of the engine to continue heating the
stationary vehicle for up to 30 minutes after
the engine has been switched off. The heating
time depends o ...