Mercedes-Benz 2003 S 430 Operator's Manual page 376

Technical data
Fuels, coolants, lubricants etc.
Anticorrosion/antifreeze
Your vehicle contains a number of alumi-
num parts. The use of aluminum compo-
nents in motor vehicle engines
necessitates that anticorrosion/antifreeze
coolant used in such engines be specifical-
ly formulated to protect the aluminum
Anticorrosion/antifreeze quantity
Model Approx. freeze protection
– 35°F (– 37°C)
S 430 6.1 US qt. (5.75 l) 6.7 US qt. (6.3 l)
S 500
S 55 AMG 7.1 US qt. (7.75 l) 7.8 US qt. (7.4 l)
S 600 6.3 US qt. (6.0 l)
376
parts. (Failure to use such anticorro-
sion/antifreeze coolant will result in a sig-
nificantly shortened service life.)
Therefore, the following product is strongly
recommended for use in your vehicle:
Mercedes-Benz 325.0
Anticorrosion/Antifreeze Agent.
– 49°F (– 45°C)
7.0 US qt. (6.6 l)
Before the start of the winter season (or
once a year in hot southern regions), you
should have the anticorrosion/antifreeze
concentration checked. The coolant is also
regularly checked each time you bring your
vehicle to your authorized Mercedes-Benz
Center for service.