2008 Mercedes C-Class Owner's Manual - Page 120

Controls in detail Windshield wipers Turn the combination switch to position U or V. Intermittent wiping starts with selected wiping interval. Vehicles with rain sensor*: After the initial wipe, pauses between wipes are automatically controlled by the rain sensor. Intermittent wiping interval is dependent on wetness of windshield. i Intermittent wiping is interrupted when the vehicle is at a standstill and a front door is opened. This protects persons getting into or out of the vehicle from being sprayed. Intermittent wiping will be continued when all doors are closed and the clutch pedal is depressed (vehicles with manual transmission or the gear selector lever is position D or R (vehicles with automatic transmission*) or the wiper setting is changed using the combination switch Wiping with windshield washer fluid Press the combination switch in the direction of arrow 2 ( page 117) past the resistance point. The windshield wiper operates with washer fluid. i To prevent smears on the windshield or noisy/chattering wiper blades, wipe with windshield washer fluid every now and then even when it is raining. i Vehicles with headlamp cleaning system*: The headlamp cleaning system* will clean the headlamps automatically after the first and every tenth time windshield washer fluid is used while the engine is running ( page 112). For information on filling up the washer reservoir, see "Windshield washer system and headlamp cleaning system*" ( page 330). 119