2000 Mercedes C-Class Owner's Manual - Page 52
2000 Mercedes C-Class Manual
Page 52 highlights
Windshield Washer Fluid Mixing Ratio For temperatures above freezing: MB Windshield Washer Concentrate "S" and water 1 part "S" to 100 parts water (40 ml "S" to 1 gallon water). For temperature below freezing: 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 solvent). Windshield Wiper Smears If the windshield wiper smears the windshield, even during rain, activate the washer system as often as necessary. The fluid in the washer reservoir should be mixed in the correct ratio. Blocked Windshield Wiper If the windshield wiper becomes blocked (for example, due to snow), switch off the wiper. For safety reasons before removing ice or snow, remove electronic key from steering lock. Remove blockage. Activate combination switch again (electronic key in steering lock position 1). Turn Signal Failure If one of the turn signals fails, the turn signal indicator system flashes and sounds at a faster than normal rate.