2003 Mercedes CL-Class Owner's Manual - Page 170

Controls in detail Power windows Turn key in the starter switch to position 1 or 2. Opening the windows Lightly press switch k to resistance point. The window will move downwards until you release the switch. Closing the windows Lightly press switch j to resistance point. The window will move upwards until you release the switch. If you pull and hold the switch up when closing the window, and upward movement of the window is blocked by some obstruction including but not limited to arms, hands, fingers etc., the automatic reversal will not operate. Fully opening the windows Press switch k past the resistance point and release. Fully closing the windows Press switch j past the point of resistance and release. Warning! G Driver's door only: If within five seconds you again press the switch past the resistance point and release, the automatic reversal will not function. ! If the upward movement of the window is blocked during the closing procedure, the window will stop and open slightly. Remove the obstruction, press the switch j again past the resistance point and release. If the window still does not close when there is no obstruction, then hold the switch j down. The side window will then close without the obstruction sensor function. 170