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Advice
●
In those cou
ntries where unleaded petrol is
not available, you may refuel with a fuel with
a low lead content.
Natural gas
Natural gas
Natural
gas can be compressed or in liquid
form, addition to others.
Liquefied natural gas (LNG) is the result of
heavy cooling of natural gas. Therefore its
volume is considerably reduced compared
with compressed natural gas (CNG). In vehi-
cles with a natural gas engine, liquefied nat-
ural gas cannot be directly refilled, as the gas
would expand excessively in the vehicle gas
tank.
Therefore, vehicles with a natural gas engine
must only be refuelled using compressed
natural gas ›››
.
Nat
ur
a
l gas quality and consumption
Natural gas is divided into the groups H and
L depending on its quality.
Gas type H has a superior heating power and
inferior nitrogen and carbon dioxide content
than type L. The higher the heating power of
the natural gas, the lower the consumption
will be.
However, the heating power and the propor-
tion of nitrogen and carbon dioxide can fluc-
tuate within the quality groups. Therefore, ve-
hicle consumption can also vary when using
a single type of gas only.
The engine management automatically
adapts to the natural gas used according to
its quality. Therefore, different quality gases
can be mixed in the tank, without the need
for comprehensive draining before applying a
different quality gas.
Natural gas and safety
If you can smell gas or suspect that there is a
leak ›››
:
●
Stop the vehicle immediately.
●
Switch the ignition off.
●
Open the doors to appropriately ventilate
the
v
ehic
le.
●
Extinguish cigarettes immediately.
●
Move away from the vehicle or switch off
objects that may cause sparks or a fire.
●
If you continue to smell gas, do not contin-
ue driving!
●
Seek specialist assistance. Have the fault
repaired.
WARNING
Failure to act when you can smell gas in the
vehicl
e or when refuelling can cause serious
injuries.
●
Carry out the necessary operations.
●
Leave the danger zone.
●
If necessary, warn the emergency services.
WARNING
The vehicle is not prepared to use liquefied
natur
al gas (LNG) and this fuel must not be
added under any circumstances. Liquefied
natural gas can cause the natural gas tank to
explode, resulting in serious injury.
Note
Have the natural gas system checked regular-
ly by
a specialised workshop, according to
the Maintenance Programme.
Filling the tank
Intr
oduction
The fuel tank flap is on the rear right of the
v
ehic
l
e.
182
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