2011 Mercedes S-Class Owner's Manual - Page 96

94 Sliding sunroof Do not allow anything to protrude from the sliding sunroof. Otherwise, the seals could be damaged. ! If the sliding sunroof cannot be opened or closed due to a malfunction, contact a qualified specialist workshop, e.g. an authorized Mercedes-Benz Center. Opening and closing ! Do not forget that the weather can change abruptly. Make certain that the sliding sunroof is closed when you leave the vehicle. The vehicle electronics can be damaged if water enters the vehicle interior. i Resonance noises can occur in addition to the usual airflow noises when the sliding sunroof is open. They are caused by minor pressure fluctuations in the vehicle interior. Change the position of the sliding sunroof or open a side window slightly to reduce or eliminate these noises. Operating the sliding sunroof Opening and closing i You can continue to operate the sliding sunroof after switching off the engine or removing the SmartKey from the ignition. This function remains active for five minutes or until one of the front doors is opened. Overhead control panel : To raise ; To open = To close X Turn the SmartKey to position 2 in the ignition lock. X Push or pull the 3 switch in the corresponding direction. i If you press the 3 switch beyond the point of resistance, an automatic opening/ closing process is started in the corresponding direction. You can stop automatic operation by pressing again. Automatic raising is only available when the sliding sunroof is closed. Automatic opening is only available when the sliding sunroof is not raised. You can open or close the sun protection cover by hand when the sliding sunroof is raised or closed. Resetting Reset the sliding sunroof if it does not open smoothly. ! If the sliding sunroof cannot be closed fully or reset, consult a qualified specialist workshop. X Turn the SmartKey to position 2 in the ignition lock. X Raise the sliding sunroof fully at the rear (Y page 94). X Keep the 3 switch pressed for another second.