1959 Mercedes-Benz 300D Cabriolet (W189): A Rare German Engineering Marvel

According to the seller, this 1959 Mercedes-Benz 300D Cabriolet is one of only 23 produced in its model year (1959), with just 65 total ever built. As Mercedes-Benz’s first diesel-powered passenger car, it represents a pivotal step in automotive engineering with its 3.0L inline 6-cylinder M186 engine featuring Bosch Mechanical Fuel Injection—a cutting-edge system for 1959. Paired with a 3-speed BorgWarner automatic transmission and rear-wheel drive, this rare convertible combines early fuel-injection innovation with classic Mercedes-Benz luxury.

Key characteristics include: - Highly original condition: Described as 'Original & Highly Original' with factory-correct Dark Green exterior and Black interior - Advanced suspension/brake system: 4-wheel vacuum-assisted drum brakes, front independent coil spring suspension, and rear swing-axle suspension - Rarity-enhancing features: Artic Kar air-conditioning, power-operated windows, and left-hand drive configuration - Provenance: Part of the prestigious 1600Veloce collection in North Salem, New York

Historical context: The W189 Cabriolet variant remains one of the rarest Mercedes-Benz models of the 1950s. Original-condition examples in this market typically command strong prices, with recent comparable sales ranging from $240,000–$380,000 for unrestored specimens. For more context on similar vehicles, explore the Mercedes-Benz 300/W189/Cabriolet market page.