Mercedes-Benz CL-Class 2008 Owners Manual - Manual (Page 741)

740
Technical data
Fuels, coolants, lubricants, etc.
Anticorrosion/antifreeze quantity
Model Approximate freeze protection
-35°F (-37°C) -49°F (-45°C)
CL 550 6.08 US qt. (5.75 l) 6.71 US qt. (6.35 l)
CL 600 (main cooling system) 6.5 US qt. (6.15 l) 7.14 US qt. (6.76 l)
CL 600 (low temperature cooling system) 1.37 US qt. (1.3 l) 1.51 US qt. (1.43 l)
CL 63 AMG 5.7 US qt. (5.4 l) 6.23 US qt. (5.9 l)
CL 65 AMG 7.4 US qt. (7.0 l) 8.14 US qt. (7.7 l)