2009 Mercedes E-Class Owner's Manual - Page 121

Controls in detail Wipers Rthe automatic transmission is in drive position D or reverse gear R or wiper setting is changed using the combination switch For information on cleaning the headlamps with washer fluid, see "Headlamp cleaning system" (Y page 114). X Rthe Rear window wiper/washer Single wipe X Press the combination switch briefly in direction of arrow 2 to the resistance point. The windshield wipers wipe one time without washer fluid. Activating intermittent wiping: Turn rear window wiper switch 1 to position &. X Deactivating intermittent wiping: Turn rear window wiper switch 1 to position (. X Wiping with washer fluid: Turn and hold rear window wiper switch 1 in position % or ) until the rear window is clean. For information on filling up the washer reservoir, see "Washer system and headlamp cleaning system" (Y page 246). Problems with wipers Wiping with washer fluid X Press the combination switch in direction of arrow 2 past the resistance point. The windshield wipers operate with washer fluid. Combination switch 1 Rear window wiper switch % Wiping rear window with washer fluid & Intermittent wiping ( Rear window wiper off ) Wiping rear window with washer fluid i To prevent smears on the windshield or noisy/chattering wiper blades, wipe with washer fluid every now and then even when it is raining. For information on filling up the washer reservoir, see "Washer system and headlamp cleaning system" (Y page 246). Switch on the ignition. The rear window wiper engages automatically when the automatic transmission is shifted into reverse gear R with the windshield wipers switched on. X ! If anything blocks the windshield wipers (leaves, snow, etc.), switch them off immediately. For safety reasons, stop the vehicle in a safe location, and R- remove the SmartKey from the starter switch or - turn off the engine by pressing the KEYLESS-GO start/stop button and open the driver's door (with the driver's door open, starter switch is in Z 119