The Mercedes-Benz SLK series launched in 1996 and each model boasted the innovation and re-innovation by the luxury automobile company. Now in its third generation, the 2012 SLK350 rises the stakes by implementing the world first panorama retractable hardtop with Magic Sky Control. The new technology enables transparency levels to be adjusted from light to dark at the touch of a button. This new model also boasts the most fuel efficiency in its class as well as exceptional safety measures. Sale of the SLK350 is scheduled for June 2011 in the U.S. and there will be new generation 4 and 6 cylinder engines to choose from with plenty of standard and extra options.