2011 Mercedes S-Class Owner's Manual - Page 283

Windshield wipers Windshield wipers Switching the windshield wipers on/ off 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 windshield will not be wiped properly. As a result, you may not be able to observe surrounding traffic conditions and could cause an accident. 5 ¯ Continuous wipe, fast B í Single wipe/ î to wipe the 281 windshield using washer fluid X Switch the ignition on. X Turn the combination switch to the corresponding position. ! If the windshield wipers leave smears on the windscreen after the vehicle has been washed in an automatic car wash, wax or other residues may be the reason for this. Clean the windshield using washer fluid after washing the vehicle in an automatic car wash. Replacing the wiper blades Important safety notes G Warning For safety reasons, switch off the windshield wipers and remove the key from the ignition lock before changing the wiper blades (vehicles with KEYLESS-GO: make sure that the on-board electronics are in state 0). Otherwise, the wiper motor could be switched on suddenly and cause injury. Combination switch 1 $ Windshield wipers off 2 Ä Intermittent wipe, low17 3 Å Intermittent wipe, high18 4 ° Continuous wipe, slow ! To avoid damaging the wiper blades, make sure that you touch only the wiper arm of the wiper. ! Never open the hood if a windshield wiper arm has been folded away from the windshield. 17 Rain 18 Rain sensor set to low sensitivity. sensor set to high sensitivity. Z Lights and windshield wipers ! 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 can scratch the glass if wiping takes place when the windshield is dry. ! 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 automatically set 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 wipers to wipe more frequently.