2003 Mercedes G-Class Owner's Manual - Page 321

Technical data Fuels, coolants, lubricants etc. Windshield/rear window washer system and headlamp cleaning system The windshield washer reservoir is located in the engine compartment on the front passenger side. It holds approximately 5.3 US qt (5.0 l). The headlamp cleaning system is also supplied from the windshield washer reservoir. Refill the reservoir with MB Windshield Washer Concentrate "S" to and water (or concentrate and commercially available premixed windshield washer solvent/antifreeze, depending on ambient temperatures) ( page 321). Washer fluid mixing ratio For temperatures above freezing use MB Windshield Washer Concentrate "S" and water: 1 part "S" to 100 parts water [40 ml "S" to 1 gallon (4 liters) water] For temperatures below freezing use MB Windshield Washer Concentrate "S" and commercially available premixed windshield washer solvent/antifreeze: 1 part "S" to 100 parts solvent [40 ml "S" to 1 gallon (4 liters) solvent] Warning! G Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/antifreeze on hot engine parts, because it may burn. You can be seriously burned. 321