The 1956 Mercedes-Benz 300 SL Gullwing remains the definitive post-war sports car, blending advanced fuel-injection technology with an aerodynamic silhouette that defined an era. This specific chassis, number 198.040.6500052, carries a provenance that few other examples can match, having served as the official factory show car for the 1956 Turin International Automobile Salon. Beyond its exhibition pedigree, the car was prepared for the 1957 Mille Miglia and comes factory-equipped with the highly coveted competition-derived Rudge wheels. Following an exhaustive structural restoration by Mercedes-Benz Heritage in Stuttgart, it arrives at The Monaco Auction 2026 in world-class condition.
Turin Show Pedigree And Mille Miglia Livery
The exterior of this Gullwing is a masterclass in mid-century silhouette design, finished in its original Silver Gray Metallic (DB 180). During a 2021 restoration by Swiss specialist Stefano Coratelli, the coachwork was refinished to include the period-correct “424” race numbers, representing its scheduled start time for the 1957 Mille Miglia. The visual character is anchored by factory-fitted Rudge wheels, a rare and functional tech upgrade that allowed for rapid wheel changes during competition. To ensure absolute structural integrity, Mercedes-Benz Heritage performed a full sandblasting and chassis audit in 2025, replacing critical frame components to return the car to factory-fresh specifications.
Special Order Red Leather And Analog Perfection
The cabin has been meticulously retrimmed to its factory-correct special-order Red leather, reversing a previous blue color change to honor its original build sheet. The interior restoration involved a sympathetic refresh of the switchgear and gauges, maintaining the tactile mechanical feel that defines the 300 SL experience. Because of its history as a promotional vehicle, the interior materials were selected to meet the highest standards of the era. Every element, from the perforated leather to the polished metal accents, reflects the luxury and purpose-built ergonomics that allowed drivers to tackle grueling endurance races like the Mille Miglia in relative comfort.
Fuel Injected Straight Six And Heritage Certification
Power is provided by the revolutionary 3.0-liter overhead-cam straight-six engine featuring Bosch mechanical direct fuel injection. This engine produces approximately 215 hp / 218 PS and 202 lb-ft / 274 Nm, which was world-leading performance for a production car in 1956. This example features a period, factory-issued replacement unit confirmed by an “Austauschaggregat” tag, ensuring it maintains authentic Mercedes-Benz performance standards. During the recent mechanical refresh, the fuel pump, electrical systems, and brakes were completely rebuilt. The car’s agility is bolstered by a replaced rear axle housing and precision-tuned wheel bearings, delivering a drive that is as sharp as it is historically accurate.
| Specification | Detail |
|---|---|
| Engine | 3.0L M198 Fuel-Injected I6 |
| Transmission | 4-Speed Manual |
| Wheels | Factory Rudge Center-Lock |
| Restoration | Mercedes-Benz Heritage (2025-2026) |
| History | 1956 Turin Salon / 1957 Mille Miglia |
The Investment Grade Rudge Wheel Advantage
In the global collector market, the 300 SL Gullwing is a blue-chip asset, but “Rudge wheel” cars occupy the top tier of desirability. This vehicle’s unique selling point is the combination of those wheels with its documented history as a factory show car and a participant in the Mille Miglia heritage. While most Gullwings are valued for their beauty, this example’s recent certification by Mercedes-Benz Heritage provides a level of technical security that is virtually unmatched in the private sector. It stands as a primary competitor to the finest Ferraris of the 1950s, offering a level of German engineering precision that collectors find increasingly irresistible.
Authenticated Excellence And Ownership Trends
Acquiring this 1956 Mercedes-Benz 300 SL Gullwing is an opportunity to own a vehicle that has been scrutinized and validated by the manufacturer’s own historians and technicians. The exhaustive work undertaken at Stuttgart between July 2025 and February 2026 addressed every structural deviation, ensuring the car meets the same standards it did when displayed in Turin. Complete with Mille Miglia paperwork and restoration photography, the car is ready for immediate entry into the world’s most prestigious concours and rallies. For the discerning enthusiast, it represents the intersection of artistic design, racing provenance, and the absolute pinnacle of factory-backed preservation.
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Source: rmsothebys.com
