2012 Mercedes-Benz SLK pops its auto-tinting lid

The thing about innovation is that to follow up, you tend to need another dose of innovation to keep people interested. Case in point: Mercedes-Benz having shoes to fill with its little SLK. The original was one of the first cars on the market with a modern retractable hardtop, taking after its costlier forebearer, the SL. And fourteen years later, with nearly everyone fitting folding tin roofs