Buyers routinely call results 'stolen' or 'well bought' and frame the cars as enormous performance-per-dollar, especially versus modern four-seat convertibles. At the same time commenters observe that CLK63 cabriolet prices have drifted downward and never gained the traction of other M156 AMGs, attributed partly to maintenance cost.
Market: sleeper value and softening CLK63 prices
Mercedes-Benz CLK55/CLK63 AMG (C209) · market