Mercedes-Benz CLS-Class 2009 Owners Manual - Manual (Page 346)

Fuels, coolants, lubricants etc.
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Model Capacity Fuels, coolants, lubricants, etc.
CLS 63 AMG 28 1.3 US qt (1.2 l) Castrol SAF-XJ (SAE 75W-140)
Power steering CLS 550 1.0 US qt (0.9 l) MB Power Steering Fluid
(Chevron Texaco PSF 9109)
CLS 63 AMG 1.3 US qt (1.2 l)
Brake system All models 0.63 US qt (0.6 l) MB Brake Fluid (DOT 4+)
Cooling system CLS 550 approx. 11.9 US qt (11.3 l) MB 325.0 Anticorrosion/Antifreeze
CLS 63 AMG approx. 12.5 US qt (11.8 l)
Fuel tank All models 21.1 US gal (80.0 l) Premium unleaded gasoline
(Minimum Posted Octane 91
[Avg. of 96 RON/86 MON])
Fuel tank reserve CLS 550 2.4 US gal (9.0 l)
CLS 63 AMG 3.7 US gal (14.0 l)
Air conditioning system All models — R-134a refrigerant and special
PAG lubricant oil (never R-12)
28 CLS 63 AMG with Performance Package.
Technical data