Mercedes-Benz BENZ-VEHICLES S 500 - Manual (Page 132)

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Engine Oils
Engine oils are specifically tested for
their suitability in our engines.
Therefore, use only engine oils
recommended by Mercedes-Benz.
Information on recommended brands is
available at your authorized Mercedes-
Benz dealer.
Please follow maintenance booklet
recommendations for scheduled oil
changes. Failure to do so could result in
engine damage not covered by the
Mercedes-Benz Limited Warranty.
Engine Oil Additives
Do not blend oil additives with engine
oil. They may be harmful to the engine
operation.
Damage or malfunctions resulting from
blending oil additives are not covered
by the Mercedes-Benz Limited
Warranty.
Air Conditioner Refrigerant
Ozone-friendly HFC-134a refrigerant
and special lubricating oil is used in the
air conditioner system.
Never use R-12 (CFC) or mineral-based
lubricating oil, otherwise damage to the
system will occur.
Brake Fluid
During vehicle operation, the boiling
point of the brake fluid is continuously
reduced through the absorption of
moisture from the atmosphere. Under
extremely hard operating conditions,
this moisture content can lead to the
formation of bubbles in the system thus
reducing the system's efficiency.
The brake fluid must therefore be
replaced every two years, preferably
in the spring.
It is recommended to use only brake
fluid approved by Mercedes-Benz.
Your authorized Mercedes-Benz dealer
will provide you with additional
information.
Premium Unleaded Gasoline
Caution!
To maintain the engine's durability and
performance, premium unleaded
gasoline must be used. If premium
unleaded is not available and low
octane fuel is used, follow these
precautions:
• have the fuel tank filled only
partially with unleaded regular
and fill up with premium un
leaded 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 persons and no luggage,
• do not exceed 2 /
3
of maximum
accelerator pedal position, if the
vehicle is fully loaded or
operating in mountainous terrain.