2006 Mercedes SL-Class Owner's Manual - Page 398

Practical hints Replacing wiper blades Replacing wiper blades ! Never open the hood when the wiper arms are folded forward. Hold on to the wiper when folding the wiper arm back. If released, the force of the impact from the tensioning spring could crack the windshield. Do not allow the wiper arms to contact the windshield glass without a wiper blade inserted. Make sure the wiper blades are properly installed. Improperly installed wiper blades may cause windshield damage. For your convenience, we recommend that you have this work carried out by an authorized Mercedes-Benz Center. ! To avoid damage to the hood, the wiper arms should only be folded forward when in the vertical position. Removing wiper blades Warning! G For safety reasons, switch off wipers and remove SmartKey from starter switch (vehicles with KEYLESS-GO*: Make sure the vehicle's on-board electronics have status 0) before replacing a wiper blade. Otherwise the wiper motor could suddenly turn on and cause injury. Turn SmartKey in starter switch to position 1. Turn combination switch to wiper setting II ( page 54). With wiper arms in the vertical position, turn SmartKey in starter switch to position 0. 397