Mercedes-Benz S-Class 2009 Owner's Manual page 314

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bjanott,
The arrow next to the filling pump indicates
the side of the vehicle.
To open the fuel filler flap
:
To insert the fuel filler cap
;
Tyre pressure table
=
Fuel type
?
To open: press the fuel filler flap in the
X
direction of arrow :.
The fuel filler flap opens slightly.
Open the fuel filler flap.
X
Turn the fuel filler cap anti-clockwise and
X
remove it.
Insert the fuel filler cap into the holder
X
bracket on the inside of filler flap ;.
Only fill the tank until the pump nozzle
X
switches off.
! Overfilling the fuel tank could damage the
fuel system.
To close: replace the fuel filler cap and turn
X
it clockwise. The fuel filler cap audibly
engages.
Close the fuel filler flap.
X
i
Vehicles with a diesel engine: if the fuel
tank has been run completely dry, it will be
necessary to bleed the fuel system
(
page 384).
Y
Petrol (EN 228)
! Refuel using only unleaded, sulphur-free
premium grade petrol with a minimum
Version: 2.11.7.7
octane number of 95 RON/85 MON con-
forming to European standard EN 228.
Otherwise, you could impair engine output
or damage the engine.
i
As a temporary measure, only when the
recommended fuel is not available, you
may also use regular unleaded petrol,
91 RON/82.5 MON. This may reduce
engine performance and increase fuel con-
sumption. Avoid driving at full throttle.
In some countries, the quality of the avail-
able petrol may not be adequate and could
cause coking around the inlet valve. In such
cases, and in consultation with a
Mercedes-Benz Service Centre, the petrol
may be mixed with the additive recommen-
ded by Mercedes-Benz (part no.
A000989254510). You must observe the
notes and mixing ratios specified on the
container.
Further information on "Fuel" (
AMG vehicles and twelve-cylinder
engines
! Refuel using only unleaded Super Plus
with a minimum octane number of
98 RON/88 MON conforming to European
standard EN 228.
Otherwise, you could impair engine output
or damage the engine.
i
If the recommended fuel is not available
and only as a temporary measure, you may
also use premium unleaded petrol,
95 RON/85 MON. This may reduce engine
performance and increase fuel consump-
tion. You must avoid driving at full throttle.
! In emergencies, and only when the rec-
ommended fuel is not available, you may
also use standard unleaded petrol,
91 RON/82.5 MON.
However, using this fuel results in consid-
erably higher petrol consumption and sig-
nificantly reduced performance. Avoid driv-
Refuelling
311
page 425).
Y
Z

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