Mercedes-Benz CLK-Class 2009 Owners Manual - Manual (Page 381)

Fuels, coolants, lubricants etc.
379
Model Approximate freeze protection
-35‡ (-37†) -49‡ (-45†)
Cooling system CLK 350 3.8 US qt (3.55 l) 4.1 US qt (3.9 l)
CLK 550 4.9 US qt (4.6 l) 5.3 US qt (5.1 l)
CLK 63 AMG 50 5.8 US qt (5.5 l) 6.3 US qt (6.0 l)
50 Canada only.
Technical data
Z