Black Series versus the CLK63 Cabriolet

Buyers push back hard on the idea that the BS is just a cabriolet with the same engine and a hardtop. The Black Series is described as reworked throughout, with over 30 more hp, different intakes, upgraded transmission, adjustable coilovers, upgraded differentials, wider axles and steering, carbon-fiber-reinforced front fenders, the wide body, and the rear-seat delete. …