2011 Mercedes R-Class Owner's Manual - Page 288

286 Care to painted surfaces. You could otherwise damage the paintwork. If water no longer forms "beads" on the painted surface, paint care products should be used that have been approved and recommended by Mercedes-Benz. This is the case approximately every three to five months, depending on climatic conditions and the care product used. If dirt has entered the paint surface or the paintwork has become dull, a paint cleaner should be used that has been approved and recommended by Mercedes-Benz. Never use such care products in direct sunlight or on a hot hood. X Use a suitable touch-up stick, e.g. MB Touch Up stick, for quick, temporary repair of damaged paintwork. may prevent water from draining away, leading to corrosion damage. 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. Maintenance and care ! 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. Cleaning the headlamps X 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. 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. Under certain circumstances, deposits such as leaves, petals and pollen 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.