Chassis No. 198.040.65.00242

Engine No. 198.980.6500253

Transmission No. 6500287

Body No. A198.040.6500238

The Mercedes-Benz 300 SL Gullwing traces its origins to the competition-proven W194 coupe which was developed in the years after World War II to reassert the marque's motorsport leadership against its European rivals. Chief engineer Fritz Nallinger, test department manager Rudolf Uhlenhaut, and construction engineer Joseph Müller led its development. The W194 introduced an exceptionally rigid, lightweight tubular spaceframe weighing roughly 154 pounds. The high structural side members of that frame made conventional doors impractical, with this constraint giving rise to the roof-hinged doors that became the model's Gullwing signature. The W194 backed up its engineering with race proven results. It took second at the Mille Miglia, won the Grand Prix of Bern in Switzerland, and finished first and second at the 24 Hours of Le Mans in 1952. Those looks and results caught the attention of American distributor and importer Max Hoffman, who championed a road-going version for the United States market.

The production 300 SL Coupe, introduced in 1954, adopted Bosch mechanical direct fuel injection. The system added roughly 25 horsepower over the carbureted racing engine, bringing output to 240 horsepower. The 3.0-liter M198 inline six was tilted 50 degrees to allow a lower hood line and improve aerodynamics. Dry-sump lubrication supported sustained high-speed running. At roughly 2,870 pounds, the 300 SL could reach speeds approaching 161 mph depending on the rear axle ratio selected. That combination made it the fastest production sports car built in Germany at the time. Just 1,400 Gullwing coupes were built between 1954 and 1957 before Mercedes-Benz replaced the model with the open 300 SL Roadster. The great majority of them, including this car, found homes in the United States, cementing the marque's return to prominence in the postwar American market hungry for modern sports cars.

This example was ordered under commission number 806 344 with an export designation, destined for the Mercedes-Benz distributor in Los Angeles. It was finished in striking Hellblau Metallic (353), a color specified on just nine 300 SLs that year and on only 67 of the full 1,400-car production run. The car's rare exterior shade was strikingly paired with a Red leather interior, with notations for Sonderlackierung and Sonderpolsterung on the build sheet confirming that both the paint and upholstery were special-order factory choices rather than standard offerings. The car was further specified with a windshield washer, English-lettered instruments, and a speedometer calibrated in miles to suit a 3.64-to-1 rear axle ratio. Sealed-beam headlights with a separate parking light, front and rear bumper overriders, and chrome-plated disc wheels with polished rims rounded out the detailed specification. A protractor and wheel balancing weights, and a lightweight seaworthy shipping crate were all packed loose inside the car for its transatlantic journey. Given the rarity of the special paint selection, a kilogram of touch-up paint was thoughtfully included as well. Completed with just 71 miles on the odometer, the car left the factory on 24 September 1956. It then crossed the Atlantic to its new home in Southern California.

The Gull Wing Group's Registry documents an ownership history that kept this car in California for the entirety of its known life. Michael Gallagher, Maynard H. Lobell, and John Northcott Jr, all Southern California residents, held the car in succession across three ownership changes before it passed to the present owner approximately two years ago.

At a point, the car was refinished in black with a matching black leather interior. Its sporting colors have been seen on the Colorado Grand as driven there by Mike Kunz, director of the Mercedes-Benz Classic Center USA, and as part of the Mercedes-Benz 300SL Classic, a tour reserved for the model that shares its name.

Under current ownership, more than $100,000 has been invested at Mercedes-Benz Classic Center USA. Restorative work concentrated on the refinement and upkeep numerous mechanical systems all done to the Classic Center's factory specifications. The four-speed manual transmission was removed and resealed while the flywheel was also being resurfaced. A dual-point distributor was used for the ignition system, the same running change Mercedes-Benz made to production Gullwings just 61 cars later, beginning with chassis 6500303. The fuel system received a new tank, replacement filters, a serviced fuel sender, and a new cold-start thermostat. New spark plugs were installed along with fresh fluids throughout. Attention to the driveline included new U-joints, rear axle boots, a driveshaft oil seal, and exhaust hangers. The braking system was addressed comprehensively with refinished drums, relined shoes, new front wheel cylinders, new brake hoses, and new Dunlop SP Sport Aquajet tires mounted all around. In preparation for sale, the black exterior has been freshly refinished as well.

Following this immense racing success of Mercedes' legendary W194 in 1952, few could have believed that the Stuttgart company could so quickly and successfully adapt this pure-bred competition car only tamed by heroes like Caracciola, Kling, and Lang into one of the most celebrated road-going sports cars of all time. As one of only 67 300 SLs originally finished in Hellblau metallic, and one of just nine built in that color during 1956. Even more special than its rare original specification, it is a matching-numbers example that retains its original chassis, engine, body, front spindles, and transmission. Additionally, this 300 SL benefits from a major, six-figure 2025 mechanical restoration.

The Gullwing remains evergreen as a true do-it-all car, equally at home on a show field, a mountain tour, or anywhere in between. Mercedes-Benz has long advertised that its cars are "Engineered Like No Other Car in the World." Few models make that case as convincingly as this 300 SL does decades after its introduction. This combination of rarity, documented history, and capability makes it a cornerstone for any major automotive collection.