Mercedes-Benz 2007 G-Class Operator's Manual page 425

Technical data
Fuels, coolants, lubricants, etc.
Fuel tank
including a reserve of
Cooling system
Air conditioning system
Windshield/rear window washer system
and headlamp cleaning system
1
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 (
424
Model Capacity
G 500 25.4 US gal (96.0 l)
G 55 AMG 25.1 US gal (95.0 l)
approx. 3.4 US gal (13.0 l)
G 500 approx. 12.7 US qt (12.0 l)
G 55 AMG approx. 13.4 US qt (12.7 l)
approx. 7.9 US qt (7.5 l)
Fuels, coolants, lubricants, etc.
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)
MB 325.0 Anticorrosion/Antifreeze
R-134a refrigerant and
special PAG lubricant oil (never R-12)
MB Windshield Washer Concentrate
1
page 430).