104Instruments and controlsFuel gauge
Displays the fuel level or gas content
(LPG or CNG) in the tank depending
on the operation mode.
Number of LEDs displayed shows the level in the respective fuel tank. 8
LEDs means fuel tank is full.
During gas operation, the level in the gas tank is displayed.
Low fuel indication
One remaining LED illuminating white indicates that the fuel level is low.
If the LED changes to red and Y
illuminates yellow, refuel the tank soon.
If the LED illuminates red and Y
flashes yellow, refuel immediately.
Never run the fuel tank dry.
The arrow indicates the vehicle side
where the fuel filler flap is located.
Because of the fuel remaining in the
tank, the top-up quantity may be less
than the specified tank capacity.
During gas operation, the system automatically switches over to petrol
operation when gas tanks are empty
3 104.Fuel selector
Natural gas operation, CNG
Press Y to switch between petrol and
natural gas operation. The LED 1
status shows the current operating mode.
1 off:natural gas
operation1 illumi‐
nates:petrol operation1 flashes:no switching is
possible, one type of
fuel is empty
204Driving and operatingThe funnel is located on the right-
hand side storage compartment in the load compartment.
Place the funnel in a straight line to
the filler neck and press with slight force to insert.
Use the funnel to fill the diesel fuel into
the filler neck.
After topping-up, put the funnel into
the plastic bag and stow it in the storage compartment.
Selective catalytic reduction system
3 158.
Natural gas refuellingThe fuel filler flap can only be opened
if the vehicle is unlocked. Release the
fuel filler flap by pushing the flap.9 Warning
Refuel only with a maximum
output pressure of 250 bar. Use
only temperature-compensated
filling stations.
The refuelling procedure must be
completed, i.e. the filler neck must be
vented.
The capacity of the natural gas tank depends on outside temperature,
filling pressure and type of refuelling
system. Capacities 3 272.
Close the flap and allow it to engage. Terms for "natural gas vehicles"
abroad:
GermanErdgasfahrzeugeEnglishNGVs = Natural Gas Vehi‐
clesFrenchVéhicules au gaz naturel -
or - Véhicules GNVItalianMetano auto
Terms for "natural gas" abroad:
GermanErdgasEnglishCNG = Compressed
Natural GasFrenchGNV = Gaz Naturel (pour)
Véhicules - or -
CGN = carburantgaz
naturelItalianMetano (per auto)
Liquid gas refuelling
Follow the operating and safety
instructions of the filling station when
refuelling.
The filling valve for the liquid gas is
behind the fuel filler cap.
