2009 Mercedes CL-Class Owner's Manual - Page 328

Controls in detail Power windows X X Switch on the ignition. Opening/Closing: Press or pull and hold switch 1 to 4 to the resistance point. The corresponding window will move downwards or upwards until you release the switch. X Express operation: Press or pull switch 1 or 2 past the resistance point and release. The corresponding door window opens or closes completely. X Express opening of rear side windows: Press switch 3 or 4 past the resistance point and release. The corresponding side window opens completely. X Stopping during express operation: Press or pull the respective switch again. If the upward movement of a window is blocked during the closing procedure, the window will stop and open slightly. However, the door window will exert greater force before reversing than when the door window is closed in express operation. Please exercise caution! X Synchronizing power windows The windows must be synchronized if they cannot be fully closed (express operation). Each window must be synchronized separately. X Close all doors. X Switch on the ignition. X Pull and hold switch 1, 2, 3 or 4 (Y page 325) until the respective window is closed. The window opens again slightly. X Pull and hold the respective switch once more immediately until the window is completely closed. X Hold the respective switch for approximately 1 second. The window is synchronized. Immediately after the window has stopped because it was blocked, pull the respective switch upwards until the window is fully closed. If the door window is blocked again and opens slightly: X Immediately after the window was blocked, pull the respective switch upwards until the window is fully closed. Closing when a window is blocked G Warning! Make sure that nobody can become trapped and be seriously or even fatally injured when closing a window with greater force or without automatic reversal function. G Warning! Pressing and holding the switch to close the window immediately after it had been blocked two times will cause the window to close without any reversal function for as long as you hold the switch. 326