2008 Mercedes SL-Class Owner's Manual - Page 204

Controls in detail Power windows Fully closing the door windows (Express-close) Pull switch 1 or 2 past the resistance point and release. The corresponding door window closes completely. If the upward movement of the door window is blocked during the closing procedure, the door window will stop and open slightly. Warning! Closing the windows with KEYLESS-GO* Press and hold lock button on an outside door handle ( page 66) until the windows are closed. Warning! Synchronizing power windows The power windows must be synchronized each time after the battery has been disconnected if the power windows cannot be fully opened (Express-open) or closed (Express-close) Synchronizing the power windows Switch on the ignition ( page 40). Pull the power window switches until the side windows are closed. Hold the switches for approximately 1 second. The power windows are synchronized. G When closing the windows make sure that there is no danger of anyone being harmed by the closing procedure. The windows will not automatically re-open if blocked during convenience closing. If potential danger exists, proceed as follows: Release the lock button. Pull on the door handle and hold firmly. The side windows open for as long as the door handle is held but the door not opened. G Driver's door only: If within 5 seconds the switch is again pulled past the resistance point and released, the automatic reversal will not operate. Stopping windows Press or pull the respective switch again. 203