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482 Technical data
All models: the recommended octane number
for your vehicle can be found on the instruction
label in the fuel filler flap (
page 185).
/
E 350, E 350 4MATIC: only refuel using super
unleaded petrol with at least 98 RON if you wish
to achieve maximum engine output. Alterna‐
tively, you can also refuel using premium grade
unleaded petrol with at least 95 RON.
All models: as a temporary measure, if the rec‐
ommended fuel is not available, you may also
use regular unleaded petrol with at least:
E 180, E 300 e: 93 RON
R
all other models: 91 RON
R
This may reduce engine output and increase fuel
consumption.
Never refuel using petrol with an even lower
RON.
Further information on fuel can be obtained at a
filling station or a qualified specialist workshop.
Information on additives in petrol
Observe the notes on operating fluids
(
page 479).
/
* NOTE Damage from use of unsuitable
additives
Even small amounts of the wrong additive
may lead to malfunctions occurring.
Only add cleaning additives recommen‐
#
ded by Mercedes-Benz to the fuel.
Mercedes-Benz recommends that you use fuel
brands that have additives.
In some countries, the fuel available may not
have sufficient additives. Residue could build up
in the fuel injection system as a result. In this
case, in consultation with a Mercedes-Benz
service centre, the fuel may be mixed with the
cleaning additive recommended by Mercedes-
Benz. Be sure to observe the notes and mixing
ratios specified on the container.
Information on fuel grades for vehicles with
a diesel engine
General notes
Observe the notes on operating fluids
(
page 479).
/
& WARNING Risk of fire from fuel mixture
If you mix diesel fuel with petrol, the flash
point of the fuel mixture is lower than that of
pure diesel fuel.
While the engine is running, component
parts in the exhaust system may overheat
without warning.
Never refuel using petrol in diesel
#
engines.
Never mix petrol with diesel fuel.
#
* NOTE Damage caused by the wrong fuel
Even small amounts of the wrong fuel could
result in damage to the fuel system, the
engine and the emission control system.
Only refuel using sulphur-free diesel
#
fuel that conforms to European stand‐
ard EN 590, or an equivalent specifica‐
tion.
In countries without sulphur-free diesel
fuel, refuel using only low-sulphur diesel
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