Mercedes-Benz S-Class 2011 - Manual (Page 514)

Vehicle model Capacity Fuel, coolant,
lubricants etc.
Air-
conditioning
system
All models — Refrigerant R134a
and special PAG
lubricant (never
R 12)
Windshield/
headlamp
cleaning
system
All models 6.9 US qt (6.5 l) MB windshield
washer
concentrate
42
( Y page 515)
Mixing ratio for
washer fluid
(
Y page 515)
Fuel
Important safety notes
G Warning
Gasoline is highly flammable and poisonous.
It burns violently and can cause serious
personal injury.
Never allow sparks, flames or smoking
materials near gasoline.
Turn off the engine before refueling.
Whenever you are around gasoline, avoid
inhaling fumes and any skin or clothing
contact.
Direct skin contact with fuels and the
inhalation of fuel vapors are damaging to your
health.
Premium-grade unleaded gasoline
!
To ensure the longevity and full
performance of the engine, only premium-
grade unleaded gasoline must be used.
If premium-grade unleaded gasoline is
unavailable and regular gasoline is used,
observe the following precautions:
R only fill the fuel tank to half full with
regular unleaded gasoline and add the
rest as soon as possible with premium-
grade unleaded gasoline.
R
do not drive at the maximum speed.
R
avoid sudden acceleration.
R when the vehicle is carrying a light cargo,
e.g. two passengers without luggage, do
not allow the engine to rev above
3000 rpm.
R when the vehicle is fully loaded or being
operated in mountainous terrain, do not
depress the accelerator pedal further
than
2 /
3
of the pedal travel.
Fuel requirements
Use only premium-grade unleaded gasoline.
The octane number should be at least 91.
Details can be found on the gas pump. The
octane number is the average value of the
Research Octane Number (RON) and Motor
Octane Number (MON): (RON + MON) / 2,
also known as knock resistance.
Reformulated Gasoline (RFG) and/or
unleaded gasoline with additives can be used
if the concentration of the additives in the fuel
does not exceed 10%, e.g.:
R
Ethanol
R TAME
42 Mixed with water or premixed washer fluid with antifreeze protection.
512
Service products and capacities
Technical data