2008 Mercedes SL-Class Owner's Manual - Page 460
2008 Mercedes SL-Class Manual
Page 460 highlights
Technical data Fuels, coolants, lubricants, etc. Model Fuel tank including a reserve of All models SL 550 SL 600 SL 55 AMG SL 65 AMG Capacity 21.1 US gal (80.0 l) 2.6 US gal (10.0 l) 2.6 US gal (10.0 l) 3.7 US gal (14.0 l) 3.7 US gal (14.0 l) Fuels, coolants, lubricants, etc. Premium unleaded gasoline: Minimum Posted Octane 91 (Avg. of 96 RON/86 MON) Air conditioning system Hydraulic system for retractable hardtop Windshield washer and headlamp cleaning system 1 R-134a refrigerant and special PAG lubricant oil (never R-12) 0.42 US qt (0.4 l) 7.4 US qt (7.0 l) MB Hydraulic Fluid MB Windshield Washer Concentrate1 Use MB Windshield Washer Concentrate "MB SummerFit" and water for temperatures above freezing point or MB Windshield Washer Concentrate "MB SummerFit" and commercially available premixed windshield washer solvent/antifreeze for temperatures below freezing point. Follow suggested mixing ratios ( page 465). 459