The 1963 Mercedes-Benz 300 SL Roadster represents the final and most sophisticated evolution of the legendary W198 platform, blending racing pedigree with peerless grand touring luxury. As one of only 91 examples produced in 1963, this chassis belongs to an elite group of late-production cars that received the factory’s most significant technical upgrades. It features the highly desirable combination of an aluminium engine block and four-wheel disc brakes, a specification reserved for the very end of the production run. Having spent a quarter-century in the esteemed Shirley Collection, this Roadster has been meticulously returned to its factory-correct White Grey over black leather color scheme. It now stands as a premier investment opportunity for collectors at the Monaco auction.
White Grey Silhouette with Rare Factory Hardtop Versatility
The exterior of this 300 SL is finished in its sophisticated factory-original shade of White Grey, a hue that accentuates the Roadster’s reworked body lines and conventional door arrangement. Unlike the earlier Gullwing, the Roadster was designed for open-air elegance, featuring revised head and taillights that modernized the 1950s silhouette. This example is presented with its black convertible soft top and includes the rare, removable matching hardtop roof, offering two distinct profiles for varying driving conditions. Recent cosmetic work in California ensured the paint was returned to its factory-correct data card specifications after years spent in a different palette. The car sits as a testament to Sindelfingen craftsmanship, complemented by a chronological history of expert-led maintenance across two continents.
Black Leather Cabin with Period Correct Appointments
Inside, the cabin is trimmed in high-grade black leather, providing a stark and elegant contrast to the White Grey exterior. The interior restoration focused on historical accuracy, utilizing materials that reflect the luxurious standards Mercedes-Benz set for its final 300 SL units. The layout features the classic oversized steering wheel and clear, functional instrumentation that made the SL a favorite among long-distance grand tourers. Included with the car is the original owner’s manual and a comprehensive tool kit, while the trunk houses the factory spare wheel and jack. This space remains a benchmark for early 1960s automotive luxury, offering a tactile connection to the era when Mercedes-Benz dominated the high-end sports car market through superior ergonomics and material quality.
Matching Numbers Alloy Block Straight Six Authority
Performance is anchored by the coveted matching-numbers 3.0-litre straight-six engine, featuring the rare aluminium block that significantly reduced front-end weight for better handling. This engine delivers 215 hp/218 PS and is paired with a correct-type replacement gearbox and the original matching-numbers rear axle. The driving experience is further refined by four-wheel disc brakes, a critical late-production upgrade that provided superior stopping power compared to earlier drum-brake models. Recent mechanical stewardship by HK Engineering in Bavaria included a new timing chain and a comprehensive refurbishment of the rear axle in 2024. This mechanical setup ensures the Roadster remains as capable on modern roads as it was when it first left the works in Germany.
| Technical Specifications | |
|---|---|
| Engine Type | 3.0L Inline-6 (Aluminium Block) |
| Braking System | Four-Wheel Disc Brakes |
| Production Year | 1963 (1 of 91 Built) |
| Exterior Color | White Grey (DB 158) |
| Interior Material | Black Leather |
| Chassis Number | 198.042.10.003170 |
| Included Equipment | Hardtop, Tool Kit, Data Card |
Alloy Block Rarity and Global Collector Investment Trends
The 1963 Mercedes-Benz 300 SL Roadster sits at the top of the W198 hierarchy, largely due to the mechanical improvements found in the final 210 units. Because many alloy engines were replaced under warranty during the 1960s, it is estimated that only 100 examples retain their original aluminium blocks today, placing this car in a very narrow band of historical significance. Its 25-year tenure in the Shirley Collection and subsequent verification by HK Engineering provide the necessary documentation for a high-tier investment. Compared to standard iron-block Roadsters, these final-spec cars command a significant premium, as they represent the absolute peak of 1960s engineering and are eligible for the world’s most prestigious automotive events and rallies.
The Ultimate Refinement of a German Engineering Legend
This 1963 Mercedes-Benz 300 SL Roadster is an irreplaceable artifact of automotive history, representing the moment when racing technology was perfected for the road. By combining the rarest mechanical specifications with a documented history of expert custodianship, it meets the highest standards of collectible integrity. Its factory-correct presentation and matching-numbers status make it a sterling addition to any world-class stable. Whether driven on the coast of Monaco or displayed on a concours lawn, this Roadster remains a definitive statement of power, elegance, and engineering permanence. It is a turn-key legend, ready for its next quarter-century of stewardship.
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Source: rmsothebys.com
