2009 Mercedes CLK-Class Owner's Manual - Page 104

Controls in detail Wipers Windshield wipers Switching on/off 0 I II Windshield wipers off Intermittent wiping Normal wiper speed on the windshield, and windshield wipers may be damaged as a result. Single wipe X III Fast wiper speed X Turn the combination switch in direction of arrow 2 to the desired position, depending on the intensity of the rain. Intermittent wiping Only switch on intermittent wiping under wet weather conditions or in the presence of precipitation. When you select intermittent wiping, the rain sensor is activated. The rain sensor sets a suitable wiping interval depending on the wetness of the sensor surface automatically. ! Do not leave windshield wipers on an intermittent setting when the vehicle is taken to an automatic car wash or during windshield cleaning. Windshield wipers will operate in the presence of water sprayed ! If you have set intermittent wiping, dirt on the surface of the rain sensor or optical effects may cause the windshield wipers to wipe in an undesired fashion. This could then damage the windshield wiper blades or scratch the windshield. You should therefore switch off the windshield wipers when weather conditions are dry. Intermittent wiping interval is dependent on wetness of windshield. After the initial wipe, pauses between wipes are controlled by the rain sensor automatically. X Turn the combination switch to position I. Intermittent wiping is interrupted when the vehicle is at a standstill and a 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 Rthe automatic transmission is in drive position D or reverse gear R or Rthe wiper setting is changed using the combination switch Press the combination switch briefly in direction of arrow 1 to the resistance point. The windshield wipers wipe one time without washer fluid. Wiping with washer fluid X Press the combination switch in direction of arrow 1 past the resistance point. The windshield wipers operate 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 233). For information on cleaning the headlamps with washer fluid, see "Headlamp cleaning system" (Y page 99). 102