2004 Mercedes C-Class Owner's Manual - Page 357
2004 Mercedes C-Class Manual
Page 357 highlights
Technical data Fuels, coolants, lubricants, etc. Anticorrosion/antifreeze Your vehicle contains a number of aluminum parts. The use of aluminum components in motor vehicle engines necessitates that anticorrosion/antifreeze coolant used in such engines be specifically formulated to protect the aluminum parts. Anticorrosion/antifreeze quantity Model C 230 Kompressor Sport C 240/C 320 (all models) C 32 AMG Approx. freeze protection -35°F (-37°C) 3.0 US qt (2.8 l) 3.4 US qt (3.2 l) 3.4 US qt (3.2 l) -49°F (-45°C) 3.3 US qt (3.1 l) 3.8 US qt (3.6 l) 3.8 US qt (3.6 l) Failure to use such anticorrosion/antifreeze coolant will result in a significantly shortened service life. Therefore, the following product is strongly recommended for use in your vehicle: Mercedes-Benz 325.0 Anticorrosion/Antifreeze Agent. Before the start of the winter season (or once a year in hot southern regions), you should have the anticorrosion/antifreeze concentration checked. The coolant is also regularly checked each time you bring your vehicle to your authorized Mercedes-Benz Center for service. 357