2009 Mercedes CL-Class Owner's Manual - Page 547

Practical hints Replacing wiper blades work done by an authorized MercedesBenz Center. impact from the tensioning spring could crack the windshield. Do not allow a wiper arm to contact the windshield glass without a wiper blade inserted. Mercedes-Benz recommends that you have this work carried out at an authorized Mercedes-Benz Center. Replacing wiper blades Safety notes G 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 replacing a wiper blade. Otherwise, the wiper motor could suddenly turn on and cause injury. 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 properly wiped. As a result, you may not be able to observe surrounding traffic conditions and could cause an accident. ! To avoid damage to the hood the wiper arms should only be folded forward when in the vertical position. ! Never open the hood when a wiper arm is folded forward. Hold on to the wiper when folding a wiper arm back. If released, the force of the Replacing bulbs for rear lamps Tail lamp unit The tail lamps are equipped with HiP bulbs and LEDs. Have them replaced at an authorized Mercedes-Benz Center. Placing wiper arms in vertical position Wiper arms in vertical position X Make sure the hood is fully closed. Z 545