2011 Mercedes C-Class Owner's Manual - Page 248

246 Care Cleaning the windows G Warning Switch off the windshield wipers and remove the SmartKey from the ignition lock before cleaning the windshield or the wiper blades. On vehicles with KEYLESS-GO, press the Start/Stop button repeatedly until all indicator lamps in the instrument cluster have gone off. The windshield wipers could otherwise move and injure you. ! Only fold the windshield wipers away from the windshield when vertical. Otherwise, you will damage the hood. ! Do not pull the wiper blade. Otherwise, the wiper blade could be damaged. ! Do not clean wiper blades too often and do not rub them too hard. Otherwise, the graphite coating could be damaged. This could cause wiper noise. X Fold the wiper arms away from the windshield. X Carefully clean the wiper blades with a damp cloth. X Fold the windshield wipers back again before switching on the ignition. ! Hold the wiper arm securely when folding back. The windshield could be damaged if the wiper arm smacks against it suddenly. Cleans the headlamps X Maintenance and care ! Only fold the windshield wipers away from the windshield when vertical. Otherwise, you will damage the hood. X Clean the inside and outside of the windows with a damp cloth and a cleaning agent that is recommended and approved by Mercedes-Benz. ! Do not use dry cloths, abrasive products, solvents or cleaning agents containing solvents to clean the inside of the windows. Do not use hard objects to clean the insides of the windows, e.g. an ice scraper or ring. There is otherwise a risk of damaging the windows. ! Clean the water drainage channels of the windshield and the rear window at regular intervals. Deposits such as leaves, petals and pollen may under certain circumstances prevent water from draining away. This can lead to corrosion damage and damage to electronic components. Cleaning the wiper blades G Warning Switch off the windshield wipers and remove the SmartKey from the ignition lock before cleaning the windshield or the wiper blades. On vehicles with KEYLESS-GO, press the Start/Stop button repeatedly until all indicator lamps in the instrument cluster have gone off. The windshield wipers could otherwise move and injure you. Clean the plastic lamp lenses on the headlamps using a wet sponge and a mild cleaning agent, e.g. Mercedes-Benz car shampoo or cleaning cloths. ! Only use cleaning agents or cleaning cloths which are suitable for plastic headlamp lenses. Unsuitable cleaning agents or cleaning cloths could scratch or damage the plastic headlamp lenses.