ModelApproximate freeze protection-35‡ (-37†)-49‡ (-45†)Cooling system, 
vehicles without 
rear climate 
controlS 450 4MATIC 777.8 US qt (7.4 l)8.6 US qt (8.1 l)S 55078
S 550 4MATIC6.1 US qt (5.75 l)6.7 US qt (6.3 l)Cooling system, 
vehicles with rear 
climate controlS 450 4MATIC 778.6 US qt (8.1 l)9.4 US qt (8.9 l)S 55078
S 550 4MATIC6.9 US qt (6.55 l)7.6 US qt (7.2 l)S 6007.9 US qt (7.5 l)8.7 US qt (8.3 l)S 63 AMG6.0 US qt (5.6 l)7.0 US qt (6.2 l)S 65 AMG7.4 US qt (7.0 l)8.1 US qt (7.7 l)Low temperature 
cooling systemS 6001.4 US qt (1.3 l)1.5 US qt (1.4 l)S 65 AMG1.6 US qt (1.55 l)1.8 US qt (1.7 l)Washer system and headlamp 
cleaning systemGWarning!
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.
XUse MB Windshield Washer Concentrate
“MB SummerFit”.XMix with water for temperatures above
freezing point.XMix with commercially available premixed
washer solvent/antifreeze for
temperatures below freezing point.
Washer fluid mixing ratio 
For temperatures above the freezing point:
1 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:
1 part “MB SummerFit” to 100 parts solvent
(1.34 fl oz [40 ml] “MB SummerFit” to 1 gal
[4.0 l] solvent)77 Canada only.
78 USA only.544Fuels, coolants, lubricants, etc.Technical data
221_AKB; 6; 20, en-USd2ugruen,Version: 2.11.8.12009-09-24T13:28:17+02:00 - Seite 544