Mercedes SLK 350 Retractable Hardtop Sport only 16k miles. Navigation, Heated Seats, Bi-Xenon Headlights, Airscarf, Harman/Kardon Stereo, Bluetooth Connectivity. Looking for a sports car that will let you indulge in the sunshine, while avoiding the inconveniences of winter? The SLK is the perfect convertible for the Pacific Northwest. The folding hardtop offers the benefits of a convertible with the convenience of a coupe. Summer is here! With a touch of a button, the top lowers into the trunk so can you truly enjoy this convertible! experience.