The Mercedes-Benz SLK 250 is a luxury compact roadster that blends sporty performance, premium design, and everyday usability in a stylish, retractable-hardtop convertible. Here's some of the main features: Elegant design with convertible functionality, smooth ride and solid handling, good fuel economy for a luxury roadster, premium Mercedes-Benz build quality. A small blemish to the nearside bumper but otherwise first class condition inside and out.