2008 Mercedes R-Class Owner's Manual - Page 410

Operation Vehicle care ! Do not clean the camera and the area around the camera: with a high-pressure cleaner with a dry cloth and high pressure with aggressive cleaning agents You could otherwise damage the camera. Cleaning the windows and the wiper blades Warning! Use a soft, clean cloth and a mild window cleaning solution on all outside and inside glass surfaces. An automotive glass cleaner is recommended. 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 and/or the wiper blades. Otherwise, the wiper motor could suddenly turn on and cause injury. ! Fold the windshield wiper arms back onto the windshield before turning the SmartKey in the starter switch or pressing the KEYLESS-GO start/stop button (vehicles with KEYLESS-GO*). 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. Fold wiper arms forward until they snap into place. ! Do not pull on the wiper blade inserts. They could tear. Clean the wiper blade inserts with a clean cloth and detergent solution. ! To clean the window interior, do not use a dry cloth, abrasives, solvents or cleaners containing solvents. Do not touch the inside of the front, rear or side windows with hard objects such as an ice scraper or ring. Doing so may damage the windows. 409