The Mercedes-Benz 600 Six-Door Pullman Landaulet was an ultra-luxury limousine that was offered with a convertible top over the rear passenger seat that was manufactured by Mercedes from 1963 until 1981. Utilizing the W100 long wheelbase and powered by the M100 6.3L V8 engine, the Six-Door Pullman Landaulet represented the highest in luxury and performance. This variant had two versions of the open top: Short and Long. The short open top was more common than the long or the Presidential roof as it was sometimes called. A total of 26 Mercedes-Benz 600 Six-Door Pullman Landaulets were produced and of these 26, only 17 were 6-doors landaulets with a short open top.