2004 Mercedes SL-Class Owner's Manual - Page 184

Controls in detail Power windows Stopping windows Press or pull the respective switch again. Closing the windows with the SmartKey with KEYLESS-GO* Press and hold lock button at door ( page 55) until the side windows are closed. Warning! G Synchronizing power windows The power window must be resynchronized 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 ignition. Pull the power window switches until the side windows are closed. Hold the switches for approximately one second. The power windows are synchronized. 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. 183