2006 Mercedes SLK-Class Owner's Manual - Page 252

Controls in detail Power windows Synchronizing power windows The power windows must be synchronized If the retractable hardtop does not completely open or close, the roof hydraulics will lose pressure and the retractable hardtop is lowered after approximately 7 minutes when the ignition is switched on. after approximately 15 seconds when the ignition is switched off. Shortly before the hardtop is lowered, a warning will sound. In the multifunction display you will see K and the message Retractable roof being opened. Properly lock the retractable hardtop ( page 255) before continuing to drive. Warning! G Each power window must be synchronized. Close all doors. Switch on the ignition ( page 36). Press and hold both switches 1 and 2 at the symbol j until the windows are completely closed. Hold on to switches 1 and 2 for approximately 1 second. The power windows are synchronized. after the battery has been disconnected or discharged. if the power windows cannot be fully opened (Express-open) or closed (Express-close). 251