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Fuel and exhaust gas cleaning
305
Fuel types
1)
Depending upon country.
2)
Follow the regulations of the country you are driving in.
1
2
3
4
●
The vehicle natural gas system is prepared
both f
or refuelling with a small compressor
(slow refuel) and a large compressor (fast
refuel) at natural gas service stations.
Fuel types
Identification of fuels
1)
Fig.204 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” st
ands 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).
Super unleaded petrol 95 octane petrol or
normal 91 octane petrol at least
We recommend refuelling with super 95 octane
petrol (91 AKI). If not available, normal 91 oc-
tane petrol (87 AKI) (with a slight power loss)
may be used.
Super unleaded petrol, 95 octanes at least
You should use super 95 octane petrol (91 AKI)
at least.
If super petrol is not available, if necessary, use
normal 91 octane petrol (87 AKI). In this case
only use moderate engine speeds and a light
throttle. Refuel with super as soon as possible.
Unleaded super plus 98 octane petrol or su-
per 95 octane petrol at least
We recommend refuelling with super plus 98
octane petrol (93 AKI). If not available: super 95
octane petrol (91 AKI) (with a slight power loss).
If super petrol is not available, if necessary, use
normal 91 octane petrol (87 AKI). In this case
only use moderate engine speeds and a light
throttle. Refuel with super as soon as possible.
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