2005 Mercedes G-Class Owner's Manual - Page 245

Operation Engine compartment The coolant expansion tank is located on the passenger side of the engine compartment. Using a rag, turn the cap slowly approximately one half turn to the left to release any excess pressure. Continue turning the cap to the left and remove it. Check coolant level. The coolant level is correct if the level for cold coolant: is level with the mark on the reservoir for warm coolant: is approx. 0.6 in (1.5 cm) higher 1 Cap Add coolant as required. Replace and tighten cap until you hear it click a few times. For more information on coolant, see "Coolants" ( page 378). Windshield/rear window washer system and headlamp cleaning system The windshield washer reservoir is located in the engine compartment on the passenger side. It holds approximately 5.3 US qt (5.0 l). The headlamp cleaning system is also supplied from the windshield washer reservoir. 1 Cap 245