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:
MAX COOL maximum cooling
The MAX COOL function is only available in
vehicles for the USA.
MAX COOL is only operational when the
engine is running.
The MAX COOL function is activated
automatically:
• if climate cont ...
Activating/deactivating
- Turn the SmartKey to position 2 in the
ignition lock.
- To switch on: press the button.
The indicator lamp in the button
lights
up. Airflow and air distribution are set to
automatic mode ...
Important notes on use
To function properly, BlueTEC exhaust gas
aftertreatment must be operated with the
reducing agent DEF.
When the DEF supply has almost run out, the
Check Additive See Operator's
Manual message ...