Mercedes 300 d cabriolet D 1959
2015 Techno Classica - Essen (D)

In this case I used the Mercedes classification for the body-style. They distinguished about 6 standard open body-styles. Most common were the cabriolet A (2-door, 2-window), B (2-door, 4-window) and D (4-door, 4-window).