2003 Mercedes C-Class Owner's Manual - Page 241

Operation Engine compartment Windshield washer system and headlamp cleaning* system Fluid for the windshield washer system and the headlamp cleaning system is supplied from the windshield washer reservoir. It has a capacity of Vehicles without headlamp cleaning system: approx. 3.2 US qt. (3.0 l). Vehicles with headlamp cleaning system*: approx. 6.4 US qt. (6.0 l). During all seasons, add MB Windshield Washer Concentrate "S" to water. Premix the windshield washer fluid in a suitable container. Refill the reservoir with MB Windshield Washer Concentrate and water (or commercially available premixed windshield washer solvent/antifreeze, depending on ambient temperatures). Always use washer solvent/antifreeze where temperatures may fall below freezing. Failure to do so could result in damage to the washer system/reservoir. Warning! G 1 Washer fluid reservoir Washer solvent/antifreeze is highly flammable. Do not spill washer solvent/ antifreeze on hot engine parts, because it may ignite. You could be seriously burned. ! Only use washer fluid which is suitable for plastic lenses. Improper washer fluid can damage the plastic lenses of the headlamps. More information can be found in the "Technical data" section ( page 338). 241