Rare first-year Mercedes-Benz 300 Cabriolet D, the most exclusive and sought-after variant of the early post-war 300 Series Powered by a 3.0-liter overhead-camshaft inline six-cylinder engine with aluminum cylinder head, twin Solex carburetors, and four-speed column-shift transmission Seven-year body-off restoration personally completed in 2024 by legendary Luigi Chinetti disciple and restorer Frank Buonanno, founder of Black Horse Garage in Bridgeport, Connecticut Finished in Graphite Gray (DB 190) with a striking black-and-red convertible top over a luxurious red leather interior with stunning wood trim