2008 MERCEDES-BENZ S-Class adding oil

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Page 578 of 801

MERCEDES-BENZ S-Class 2008 W221 Comand Manual 577 Operation
Engine compartment
Checking engine oil level with the oil
dipstick (all models except S 600 and
S65AMG)
To check the engine oil level with the oil
dipstick, do the following:
Open th

Page 579 of 801

MERCEDES-BENZ S-Class 2008 W221 Comand Manual 578 OperationEngine compartmentAdding engine oil
Example illustration from S 550
S63 AMG1Filler cap
Unscrew filler cap1 from filler neck.

Add engine oil as required. Be careful
not to overfill wit

Page 772 of 801

MERCEDES-BENZ S-Class 2008 W221 Comand Manual 771 Technical data
Fuels, coolants, lubricants, etc.
Gasoline additives
A major concern among engine manufac-
turers is carbon build-up caused by gaso-
line. Mercedes-Benz recommends only the
use of

771 Technical data
Fuels, coolants, lubricants, etc.
Gasoline additives
A major concern among engine manufac-
turers is carbon build-up caused by gaso-
line. Mercedes-Benz recommends only the
use of quality gasoline containing additives
that prevent the build-up of carbon depos-
its.
After an extended period of using fuels
without such additives, carbon deposits
can build up especially on the intake valves
and in the combustion area, leading to en-
gine performance problems such as:
Warm-up hesitation

Unstable idle

Knocking/pinging

Misfire

Power lossIn areas where carbon deposits may be en-
countered due to lack of availability of gas-
olines which contains these additives,
Mercedes-Benz recommends the use of
additives approved by us for use on
Mercedes-Benz vehicles. Refer to the Fac-
tory Approved Service Products pamphlet
(USA only) or contact an authorized
Mercedes-Benz Center for a listing of ap-
proved product(s). Follow directions on
product label.
Do not blend other fuel additives with fuel.
This only results in unnecessary cost and
may be harmful to the engine operation.
Coolants
The engine coolant is a mixture of water
and anticorrosion/antifreeze, which pro-
vides:
Corrosion protection

Freeze protection

Boiling protection (by increasing the
boiling point)
The cooling system was filled at the factory
with a coolant providing freeze protection
to approximately -22°F (-30°C) and corro-
sion protection.
If the antifreeze mixture is effective to
-22°F (-30°C), the boiling point of the cool-
ant in the pressurized cooling system is
reached at approximately 266°F (130°C).
!
Damage or malfunction resulting from poor
fuel quality or from blending additional fuel addi-
tives other than those tested and approved by us
for use on Mercedes-Benz vehicles are not cov-
ered by the Mercedes-Benz Limited Warranty.
!
Add premixed coolant solution only. Adding
water and MB 325.0 Anticorrosion/Antifreeze
separately from each other, could cause engine
damage not covered by the Mercedes-Benz Lim-
ited Warranty.

Page 782 of 801

MERCEDES-BENZ S-Class 2008 W221 Comand Manual 781 Index
Setting the audio format
(COMAND) 128
Video (COMAND) 132
E
Easy-entry/exit feature 384
COMAND menu 268
EBP 72
Electrical fuses see Fuses
Electrical outlet see Power outlet
Electrical system

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