2004 Mercedes SL-Class Owner's Manual - Page 188

Controls in detail Retractable hardtop Locking the retractable hardtop after raising/lowering Warning! Unlocked status noticed when stopped Switch on ignition. To lock the hardtop in its fully closed position, press hardtop switch forward. The message + Vario-Roof Closed appears in the multifunction display. or: To lock the hardtop in its fully opened position, pull up on the hardtop switch. The message K Vario-Roof Open appears in the multifunction display. Unlocked status noticed while driving Warning! or: To lock the hardtop in its fully opened position, pull up on the hardtop switch. The message K Vario-Roof Open appears in the multifunction display. To lock the hardtop in its fully closed position, press hardtop switch forward. The message + Vario-Roof Closed appears in the multifunction display. G The hardtop is not fully closed and locked or not fully opened and locked if: the indicator light in the hardtop switch remains lit the message K in operation! is shown in the multifunction display and the indicator lamp in the hardtop switch does not go out the indicator lamp flashes and a warning sounds for 10 seconds and the message K Lock Vario-Roof is shown in the multifunction display when starting to drive G If the retractable hardtop is not properly locked, lock it as described below. Stop the vehicle and lock the hardtop before continuing to drive. You could otherwise endanger yourself and others. Stop the vehicle. Leave the ignition switched on. 187