Mercedes-Benz 2004 CLK 320 Operator's Manual page 393

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)
CLK 320 5.3 US qt (5.0 l)
CLK 500 6.4 US qt (6.0 l)
CLK 55 AMG 6.4 US qt (6.0 l)
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 Mercedes-Benz 325.0 An-
ticorrosion/Antifreeze Agent
–49°F (–45°C)
5.9 US qt (5.5 l)
7.0 US qt (6.6 l)
7.0 US qt (6.6 l)
Technical data
Fuels, coolants, lubricants, etc.
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.
393