Automobile Mercedes Benz 300 SL Gullwing 1955 in vendita

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To Be OFFERED AT AUCTION at RM Sothebys' The Monterey Auction event, 13 - 15 August 2026.
$1,100,000 - $1,300,000 USD

Timeless Gullwing livery of Silver Grey over dark blue leather with classic tartan seat inserts
Numbers-matching chassis, engine, gearbox, and body per copies of its build record
Extensive restoration completed in 2013, including a full engine rebuild and bare-metal respray in its current finish
Later equipped with the model’s ultra-desirable, knock-off Rudge wheels and aerodynamic belly pans
Includes fitted luggage, tool kit, restoration photos, and invoices

Even in the highest ranks of collector automobiles, the Mercedes-Benz 300 SL Gullwing stands alone—an extraordinary union of competition-bred engineering, avant-garde design, and unmistakable social cachet. Unveiled in 1954, the 300 SL was not merely a road car; it was a technological tour de force that redefined expectations for performance and exclusivity in the post-war era.

Central to the Gullwing’s mystique is its pioneering tubular spaceframe chassis, a solution borrowed from Mercedes-Benz’s Le Mans-winning racecars to maximize torsional rigidity while minimizing weight. This intricate lattice construction necessitated unusually high door sills, rendering conventional doors impractical. The resulting roof-hinged portals—forever immortalized as “gullwing” doors—are among the most recognizable features in automotive history. Far from stylistic flourish, they represent an elegant resolution to a complex engineering challenge, embodying the unique interplay of form and function that defines the model.

Mechanically, the 300 SL proved equally transformative. Its 3.0-liter inline six-cylinder engine employed Bosch mechanical fuel injection. This innovation, adapted from wartime aviation technology, was the first such system fitted to a production automobile. Enabling a top speed approaching 160 mph, it firmly established the Gullwing as the fastest production car in the world at the time. This remarkable performance, paired with independent suspension and a lightweight structure, endowed the car with dynamic driving capabilities, bringing Mercedes-Benz’s racing directly to the driver’s fingertips.

The Gullwing’s appeal extended well beyond its engineering prowess, swiftly becoming a cultural icon favored by an international clientele of tastemakers and luminaries. As it still does today, owning one signals a deep appreciation for pioneering design, technical innovation, and sophisticated performance.

The Gullwing offered here, chassis 5500594, is a highly desirable numbers-matching engine and gearbox example benefiting from a life of careful stewardship. Destined for delivery to the United States, the car arrived in New York on 25 August 1955 and was originally finished in Medium Blue (DB350) over a Light Grey (955) leather interior. Per the Gullwing Group’s 300 SL Registry, the car spent its early years in New York, with ownership including David Todd of New York City and Martin Alperstein of Fishkill, before passing to Richard M. Mills of Cleveland Heights, Ohio.

Beginning in 2011, the car was treated to extensive restoration work, including a bare-metal refinish in the model’s timeless shade of Silver Grey while the interior was retrimmed in dark blue leather with distinctive blue tartan fabric inserts. In 2012, the car’s numbers-matching engine was fully rebuilt by noted specialist Ed Tatios of Mike Tilson Motorcars in Philadelphia, Pennsylvania, at a cost approaching $30,000. The car is reported to be further equipped with an ATE brake booster consistent with later-production 300 SLs, as well as 3.64 rear differential gearing.

Following completion of the work in 2013, the Gullwing was exhibited on the concours circuit, most notably at the 2013 edition of the 100 Motorcars of Radnor Hunt, where it was awarded the Pre-1959 Debutante Award as well as earning a class award at the St. Michaels Concours d’Elegance.

In 2020, the car received over $21,000 in service work by Burlingame Motors, including a new clutch, fresh fluids, transmission seals, tie-rod ends, and five new tires. Importantly, stampings on the chassis, engine, gearbox, and body correspond with those recorded on a copy of the factory build sheet. Later fitted with the model’s ultra-desirable, knock-off Rudge wheels and aerodynamic belly pans, the car is also accompanied by a tool kit and fitted luggage.

Today, the 300 SL Gullwing remains among the most coveted and recognizable sports cars ever produced—revered for its groundbreaking engineering, dramatic design, and enduring association with the jet set. Chassis 5500594 offers these defining qualities in spades, representing an outstanding opportunity for participation in the world’s most prestigious automotive events.To view this car and others currently consigned to this auction, please visit the RM website at rmsothebys.com/auctions/mo26/.