2009 Mercedes SL-Class Owner's Manual - Page 359

Technical data Fuels, coolants, lubricants etc. Model Approximate freeze protection -35‡ (-37†) Cooling system SL 550 SL 600 SL 63 AMG SL 65 AMG Low temperature cooling system SL 600 SL 65 AMG 6.1 US qt (5.8 l) 6.8 US qt (6.45 l) 6.0 US qt (5.65 l) 7.4 US qt (7.0 l) 1.1 US qt (1.05 l) 1.7 US qt (1.6 l) -49‡ (-45†) 6.8 US qt (6.4 l) 7.5 US qt (7.1 l) 6.6 US qt (6.2 l) 8.1 US qt (7.7 l) 1.3 US qt (1.2 l) 1.9 US qt (1.8 l) (1.34 fl oz [40 ml] "MB SummerFit" to 1 gal [4.0 l] solvent) Washer system and headlamp cleaning system G Warning! Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/antifreeze on hot engine parts, because it may ignite and burn. You could be seriously burned. Washer fluid mixing ratio For temperatures above freezing point, use MB Windshield Washer Concentrate "MB SummerFit" and water: R1 part "MB SummerFit" to 100 parts water (1.34 fl oz [40 ml] "MB SummerFit" to 1 gal [4.0 l] water) For temperatures below freezing point, use MB Windshield Washer Concentrate "MB SummerFit" and commercially available premixed washer solvent/antifreeze: R1 part "MB SummerFit" to 100 parts solvent Z 357