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:
More power, lower consumption: the engines
An improvement of up to 31 per cent has been achieved in fuel consumption and
all Mercedes-Benz C-Class launch models will feature the ECO start/stop function
as standard. All the engine variants ...
Useful information
This Operator's Manual describes all
models and all standard and optional
equipment of your vehicle available at the
time of publication of the Operator's
Manual. Country-specific differences ...
Checking the coolant level
Only check the coolant level when the vehicle
is on a level surface and the engine has cooled
down.
► Turn the SmartKey to position
2 in the ignition lock.
On vehicles with KEYLESS-GO, ...