2005 Mercedes SL-Class Owner's Manual - Page 321

Operation Vehicle care Window cleaning Use a window cleaning solution on all glass surfaces. An automotive glass cleaner is recommended. Warning! G ! The windshield wipers must be in a vertical position before folding them away from the windshield. They could otherwise damage the hood. Turn on the wipers and place them in a vertical position. For information how to position the wipers in a vertical position, see "Replacing wiper blades" ( page 386). Warning! 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 cleaning the wiper blades. Otherwise the wiper motor could suddenly turn on and cause injury. ! Fold the windshield wiper arm back onto the windshield before turning the SmartKey in the starter switch. 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. Clean the wiper blade inserts with a clean cloth and detergent solution. ! Fold the windshield wiper arms back onto the windshield before turning the SmartKey in the starter switch. 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. 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 cleaning the windshield. Otherwise the wiper motor could suddenly turn on and cause injury. 319