Mercedes-Benz CL-Class 2005 Owners Manual - Manual (Page 419)

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Technical data
Fuels, coolants, lubricants, etc.
Anticorrosion/antifreeze quantity
Model Approx. freeze protection
– 35°F (– 37°C) – 49°F (– 45°C)
CL 500 6.1 US qt (5.75 l) 6.7 US qt (6.3 l)
CL 600 (main cooling system) 7.9 US qt (7.5 l) 8.7 US qt (8.25 l)
CL 600 (low temperature cooling system) 1.2 US qt (1.1 l) 1.3 US qt (1.2 l)
CL 55 AMG 8.38 US qt (7.93 l) 9.21 US qt (8.72 l)
CL 65 AMG (main cooling system) 8.08 US qt (7.65 l) 8.9 US qt (8.42 l)
CL 65 AMG (low temperature cooling system) 1.53 US qt (1.45 l) 1.7 US qt (1.6 l)