2011 Mercedes GL-Class Owner's Manual - Page 127

Windshield wipers adjustment performed at an authorized Mercedes-Benz Center. 125 Switching the windshield wipers on/ off Windshield wipers Important safety notes G Warning! Wiper blades are components that are subject to wear and tear. Replace the wiper blades twice a year, preferably in the spring and fall. Otherwise the windows will not be wiped properly. As a result, you may not be able to observe surrounding traffic conditions and could cause an accident. Combination switch 1 $ Windshield wipers off 2 Ä Intermittent wipe, low12 3 Å Intermittent wipe, high13 4 ° Continuous wipe, slow 5 ¯ Continuous wipe, fast B í Single wipe/ î To wipe the ! Do not operate the windshield wipers when the windshield is dry, as this could damage the wiper blades. Moreover, dust that has collected on the windshield/rear window can scratch the glass if wiping takes place when the windshield/rear window is dry. If it is necessary to switch on the windshield wipers in dry weather conditions, always use washer fluid when operating the windshield wipers. windshield using washer fluid X Switch on the ignition. X Turn the combination switch to the corresponding position. ! Intermittent wiping with rain sensor: due to optical influences and the windshield becoming dirty in dry weather conditions, the windshield wipers may be activated inadvertently. This could then damage the windshield wiper blades or scratch the windshield. For this reason, you should always switch off the windshield wipers in dry weather. In the Ä or Å position, the appropriate wiping frequency is set automatically according to the intensity of the rain. In the Å position, the rain sensor is more sensitive than in the Ä position, causing the windshield wiper to wipe more frequently. Intermittent wiping is interrupted when you stop the vehicle and open a front door. This 12 Rain 13 Rain sensor set to low sensitivity. sensor set to high sensitivity. Z Lights and windshield wipers