Documents: French Certificat d'Immatriculation
Chassis No. 198.042.7500168
Engine No. 198.980.7500202
Body No. A198.042.7500104

Mercedes-Benz's return to competition after the Second World War produced one of the greatest origin stories in the marque's history. Engineers built the W194 race cars around a lightweight tubular space frame, a departure from conventional body-on-frame construction that gave the cars their competitive edge and, later, their name. The W194 claimed an outright victory at the 24 Hours of Le Mans in 1952, with Hermann Lang and Fritz Riess sharing the winning car, and Karl Kling went on to dominate that year's grueling Carrera Panamericana in a sister example. Those results convinced the factory that a roadgoing version could succeed with American buyers. Max Hoffman, the New York-based importer who would go on to talk Porsche into building the 356 Speedster and BMW into the 507, pressed Mercedes-Benz to build it. The result, unveiled in February 1954, was the 300 SL Gullwing Coupe. Its roof-hinged doors resulted from the high sills demanded by that same space-frame chassis. The name itself, Sport Leicht, reflected the light, rigid construction underpinning the whole concept.

When the Roadster answered Hoffman's follow-up request for an open-topped version suited to sunny climates, it debuted at the Geneva Motor Show in March 1957. In typical Mercedes-Benz fashion, it was far more than a Gullwing with its roof removed. The engineers reworked the space frame from the windshield rearward, adding structure so that conventional, side-hinged doors could replace the Coupe's roof-hinged pair. This change reached far deeper into the car's structure than its silhouette alone would suggest. The rear suspension was revised with a new low-pivot swing axle that helped alleviate the sudden mid-corner oversteer the Coupe's handling had become known for, while softer springs improved ride quality without dulling the car's composure. Roll-up windows, a glovebox, and an external fuel filler brought the cabin closer in comfort to the firm's contemporary sedans, making the Roadster the more usable of the two 300 SL body styles.

Under the hood, the 300 SL retained its groundbreaking Bosch-developed direct fuel injection system, the first fitted to any production automobile and a technology most of the industry would not adopt for another two decades. Mercedes-Benz engineers had adapted the principle from wartime aircraft engine development, and in the 300 SL it delivered precise fuel metering and dependable performance without the constant attention a carbureted engine of the era might demand. Every Roadster left the factory with the previously optional sport camshaft as standard equipment, raising output by 20 PS to 225 PS at 5,800 rpm. This offset some of the weight added by the convertible's reinforced structure. Built largely by hand at Sindelfingen, the Roadster remained in production through 1963. By then, 1,858 examples had been completed, and its reputation for engineering ambition and everyday usability continued to set it apart among postwar sports cars nearly seven decades later.

This 300 SL Roadster left the factory finished in Ivory (608), one of ten standard exterior colors offered on the 300 SL Roadster, with an Antique Dark Brown leather interior. According to production records, Ivory was applied to just 152 of the 1,858 Roadsters built, or roughly eight percent of total production. Its pairing with the rarely seen Antique Dark Brown leather makes the combination even scarcer.

According to the Gull Wing Group Registry, the car's early ownership went unrecorded, but by 1985 it was in Clarksburg, West Virginia, United States, refinished in white. It later made the return trip across the Atlantic to Europe, where it passed into the care of Harald Zweig of Essen, Germany. Then in April 2000, it was registered in Switzerland to Lisa Swanbeck, who kept the car until 2021.

Between 2024 and September 2026, a comprehensive restoration was undertaken specifically to return the car to its original factory specification. M&W Classics, a restoration and maintenance workshop based in Markgröningen, Germany, carried out the work and specializes exclusively in the Mercedes-Benz 300 SL, Gullwing and Roadster alike; its familiarity with the model's engineering and factory details proved essential to a project of this depth. The Antique Dark Brown leather specified from new had grown so rare over the decades that the shop reportedly spent considerable time locating a color sample before it could accurately reproduce the interior. Additionally, they completed a full mechanical restoration, including overhauling its original, matching-numbers engine and installing a new wiring harness. M&W Classics accounted for nearly €125.000 of the total spend. Red Parts, a specialist shop based in Montigny-le-Bretonneux, France, refinished the bodywork back to its original Ivory, adding a further €40.000 to the bill and bringing total restoration costs to nearly €165.000. What emerged is essentially as it left the factory: finished in Ivory with its Antique Dark Brown leather interior, and with its original chassis, engine, body, front spindles, steering box, and rear axle all retained throughout.

Few color combinations on the 300 SL Roadster are scarcer than this, an uncommon shade of Ivory paired with a rarely seen Antique Dark Brown leather interior. It carries the engineering that made the 300 SL a landmark collector car, from its fuel-injected six-cylinder engine to the low-pivot rear suspension that tamed the Gullwing's reputation for sudden handling, with matching-numbers status documented in a report in the car's digital history file following a recent, meticulous restoration. Behind the wheel, it remains what it was designed to be from the outset: a car equally capable of covering long distances at speed or simply being enjoyed on a Sunday morning drive, with an open cockpit, direct steering, and a fuel-injected six that gives it an immediacy few contemporaries could match. Between its styling and its usability, it stands as a cornerstone car for any significant collection.