Mercedes-Benz CLK 63 AMG, Operator'S Manual

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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
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:
MB 325.0 Anticorrosion/Antifreeze agent.
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 an authorized Mercedes-Benz
Center for service.
Anticorrosion/antifreeze quantity
Model Approximate freeze protection
–35°F (–37°C) –49°F (–45°C)
CLK 350 3.9 US qt (3.7 l) 4.3 US qt (4.1 l)
CLK 550 4.9 US qt (4.6 l) 5.3 US qt (5.1 l)
CLK 63 AMG 5.8 US qt (5.5 l) 6.3 US qt (6.0 l)