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Advice
CAUTION
●
If any
fuel is spilt onto the vehicle, it
should be removed immediately. It could oth-
erwise damage the paintwork.
●
Never run the tank completely dry. An irreg-
ular fuel supply could cause misfiring. As a
result, unburnt fuel could enter the exhaust
system and damage the catalytic converter.
●
When filling the fuel tank after having run it
completely dry on a vehicle with a diesel en-
gine, the ignition must be switched on for at
least 30 seconds before starting the engine.
When you then start the engine it may take
longer than normal (up to one minute) to
start firing. This is because air needs to be
bled from the fuel system while starting.
For the sake of the environment
Do not overfill the fuel tank, it may cause the
fuel t
o overflow if it becomes warm.
Note
Diesel vehicles are fitted with a protective de-
vice th
at prevents the insertion of the wrong
fuel hose
1)
. It is only possible to refuel with
Diesel nozzles.
●
If the pump nozzle is worn, damaged, or if
it is very small, it is possible that it will not
be able to open the protective device. Before
trying to insert the pump nozzle by turning it,
try a different pump or request specialist
help.
●
If
you fill the tank from a reserve fuel canis-
ter, the protective device will not open. One
way to resolve this is to pour the fuel in very
slowly.
Refuelling with natural gas
Fig. 233 Tank flap open: gas filler mouth
1
,
fi
l
l
er mouth retainer
2
Before r
efuelling, the engine and the igni-
tion, mo
b
ile telephone and heating must be
switched off separately ›››
.
R
e
a
d the instructions on how to use the natu-
ral gas pump carefully.
The vehicle is not prepared for refuelling with
liquefied natural gas (LNG) ›››
. Before refu-
elling with natural gas, make sure you add
the ap
pr
opri
ate type of fuel ››› page 243.
Opening the fuel tank cap
The natural gas filler mouth is behind the fuel
tank cap, next to the petrol filler mouth.
●
Unlock the vehicle with the key or with the
central locking button
situated on the driv-
er door ›
›
›
page 116.
●
Press on the rear area of the flap and open
it.
Refuelling
Special feature: if the ambient temperature is
very high, the natural gas pump protection
against overheating disconnects this auto-
matically.
●
Remove the plug from the gas filler mouth
››› Fig. 233
1
.
●
Connect the pump filling nozzle to the gas
fi
l
l
er mouth.
●
The fuel tank will be full when the pump
compressor automatically cuts the supply.
●
If you wish to finish refuelling in advance,
press the button on the pump to stop the
flow.
1)
Depending on country
242
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