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Fuel and exhaust gas cleaning
277
Fuel types
1)
Depending upon country.
2)
Follow the regulations of the country you are driving in.
1
2
3
4
Refuelling
Fig.183 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
›››page72.
●
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.183.
●
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
›››page277.
The capacity of your vehicle's fuel tank is given
in ›››page349.
Fuel types
Identification of fuels
1)
Fig.184 Identification of fuel
s according to
European Union (EU) Directive 2014/94/
Fuels are identified by dier
ent symbols on
the pump and on your vehicle's tank flap. The
identification serves to prevent confusion when
choosing the fuel.
Petrol with ethanol (“E” stands for Ethanol).
The number indicates the percentage of
ethanol in the petrol. “E5” means, for exam-
ple, an ethanol ratio of 5% max.
Diesel according to EN590 standard. The
number indicates the maximum percent-
age of Biodiesel in the fuel. “B7” means a
maximum of 7% Biodiesel.
Synthetic diesel according to EN15940
standard.
Natural gas: “CNG” means Compressed
Natural Gas
Type of petrol
The correct grade of petrol is listed inside the
fuel tank flap.
The vehicle is equipped with a catalytic con-
verter and must only be run on unleaded pet-
rol. The petrol must comply with the standard
EN 228 and be sulphur-free. Fuels with a 10%
ethanol ratio can be refuelled (E10)
2)
. The types
of petrol are dierentiated by using the octane
numbers (RON) or via the anti-knock index
(AKI).
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