Mercedes-Benz 2006 CL 500 Operator's Manual page 425

Technical data
Fuels, coolants, lubricants, etc.
Anticorrosion/antifreeze quantity
Model
CL 500
CL 600 (main cooling system)
CL 600 (low temperature cooling system)
CL 55 AMG
CL 65 AMG (main cooling system)
CL 65 AMG (low temperature cooling system) 1.53 US qt (1.45 l)
424
Approx. freeze protection
– 35°F (– 37°C) – 49°F (– 45°C)
6.1 US qt (5.75 l) 6.7 US qt (6.3 l)
7.9 US qt (7.5 l) 8.7 US qt (8.25 l)
1.2 US qt (1.1 l) 1.3 US qt (1.2 l)
6.34 US qt (6.0 l) 6.97 US qt (6.6 l)
8.08 US qt (7.65 l) 8.9 US qt (8.42 l)
1.7 US qt (1.6 l)