2005 Mercedes SL-Class Owner's Manual - Page 55

Getting started Driving Windshield wipers The combination switch is located on the left of the steering column. Switching on windshield wipers Turn the combination switch to the desired position depending on the intensity of the rain. 0 Windshield wipers off I Intermittent wiping II Normal wiper speed III Fast wiper speed ! Do not leave windshield wipers in intermittent setting when vehicle is taken to an automatic car wash or during windshield cleaning. Wipers will operate in the presence of water sprayed on the windshield, and wipers may be damaged as a result. The combination switch should not be left in intermittent setting as the wipers will wipe the windshield once every time the engine is started. Dust that accumulates on the windshield might scratch the glass and/or damage the wiper blades when wiping occurs on a dry windshield. Intermittent wiping Set the combination switch to position I. i Combination switch 1 Single wipe 2 Switching on windshield wipers Switch on the ignition ( page 36). The intermittent wiping interval is dependent on the wetness of the windshield. After the initial wipe, pauses between wipes are controlled by the rain sensor. Wiping will not occur with a door open. i Intermittent wiping is suspended when the vehicle is at a standstill and a door is opened. 53