7. Mercedes-Benz SLK230 Kompressor (R170)

The Mercedes-Benz SLK230 Kompressor brought innovative flair to the roadster segment with its retractable hardtop—a standout feature in its era. Its supercharged engine delivers lively performance, while the bold, compact styling ensures lasting curb appeal. Blending German precision with daily drivability, the SLK230 is an underappreciated gem for collectors seeking something different. Classic Driver details its impact and rising desirability.