Premium Unleaded Gasoline; Fuel Requirements - Mercedes-Benz 2008 SL 55 AMG Operator's Manual

2008 sl-class
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Premium unleaded gasoline

Warning!
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
personal injury.
Never allow sparks, flame or smoking mate-
rials near gasoline!
Turn off the engine before refueling.
Whenever you are around gasoline, avoid
inhaling fumes and skin contact, extinguish
all smoking materials.
Direct skin contact with fuels and the
inhalation of fuel vapors are damaging to
your health.
!
To maintain the engine's durability and
performance, premium unleaded gasoline must
be used. If premium unleaded gasoline is not
G
available and low octane fuel is used, follow
these precautions:
Have the fuel tank only partially filled with
unleaded regular gasoline and fill up with
premium unleaded gasoline as soon as
possible.
Avoid full throttle driving and abrupt
acceleration.
Do not exceed an engine speed of 3000 rpm
if the vehicle is loaded with a light load such
as two occupants and no luggage.
2
Do not exceed
/
pedal position if the vehicle is fully loaded or
operating in mountainous terrain.

Fuel requirements

Only use premium unleaded fuel:
Unleaded gasoline containing oxygenates
such as ethanol, IPA, IBA and TBA can be
used provided the ratio of any one of these
oxygenates to gasoline does not exceed
10%; MTBE must not exceed 15%.
of maximum accelerator
3
The ratio of methanol to gasoline must not
exceed 3% plus additional cosolvents.
Technical data
Fuels, coolants, lubricants, etc.
The octane number (posted at the
pump) must be 91 min. It is an average
of both the Research Octane Number
(RON) and the Motor Octane Number
(MON): (RON+MON)/2. This is also
known as the ANTI-KNOCK INDEX.
461

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