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Fuel and exhaust gas cleaning
303
Refuelling
Refuelling
Fig.201 Fuel t
ank flap with tank cap attached.
The fuel tank flap is on the r
ear right of the
vehicle.
●
The tank flap is unlocked when the car is un-
locked using the central locking remote control
›››page92.
Hybrid vehicles: Use the
button on the driver’s
door t
o release the tank flap ›››page303.
●
Open the fuel tank flap by pressing on the
retainer zone.
●
Unscrew the cap by turning it to the left.
●
Place it in the space on the hinge of the open
flap ›››Fig.201.
●
Start refuelling. The tank is full as soon as
the pump’s automatic nozzle cuts o the fuel
supply. Do not try to put in more fuel after the
nozzle cuts out, as this will fill the expansion
chamber in the fuel tank.
●
Unscrew the cap by turning it to the right as
f
ar as it will go.
●
Close the lid.
The correct fuel grade for your vehicle is given
on a sticker on the inside of the fuel tank
flap. Further notes on fuel can be found at
›››page305.
The capacity of your vehicle's fuel tank is given
in ›››page380.
Hybrid vehicles
Every 6 months it is necessary to run on petrol
until the control lamp switches o
and then
the t
ank must be refilled. This is necessary to
ensure that the system works properly, as well
as the fuel quality required for driving with pet-
rol.
Vehicles with a natural gas engine
Every 6 months it is necessary to run on petrol
until the control lamp switches o
and then
the t
ank must be refilled. This is necessary to
ensure that the system works properly, as well
as the fuel quality required for driving with pet-
rol.
Purging the fuel tank
✓ V
alid for: hybrid vehicles.
Fig.202 Driv
er’s door: tank cover release.
Before refuelling the fuel system must be dep-
r
essurised ›››
in Saf
ety warnings regarding
fuel handling on page302. To do this, press the
button on the driver’s door.
An audibl
e sound will be played and a warning
will be displayed on the instrument cluster dis-
play.
After a few seconds the fuel tank flap will un-
lock and remain unlocked for a few minutes. If
you have not refuelled after this time, you must
press the
button again before refuelling.
Av
oid touching the fuel tank flap lock button
›››Fig.201 (arrow). The system will interpret
that you have finished and cannot continue re-
fuelling. Press the
button on the driver’s door
again t
o continue.
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