2006 Mercedes SLK-Class Owner's Manual - Page 257

Controls in detail Retractable hardtop Unlocked status noticed when stopped Switch on the ignition ( page 36). To lock the retractable hardtop in its fully closed position, push the retractable hardtop switch forward until the retractable hardtop is fully closed. or: To lock the retractable hardtop in its fully opened position, push the retractable hardtop switch rearward until the retractable hardtop is fully open. Warning! Unlocked status noticed while driving To lock the retractable hardtop in its fully closed position, push the retractable hardtop switch forward until the retractable hardtop is fully closed. or: To lock the retractable hardtop in its fully opened position, push the retractable hardtop switch rearward until the retractable hardtop is fully open. G Stop the vehicle and lock the retractable hardtop before continuing to drive. You could otherwise endanger yourself and others. Stop the vehicle and leave the ignition switched on. 256