1957 Mercedes-Benz 300SL

To Be OFFERED AT AUCTION at RM Sothebys The Monterey Auction event, 13 - 15 August 2026.
$1,500,000 - $1,800,000 USD

• Retains its numbers-matching engine, gearbox, rear axle, front axles, steering box, and body
• Comprehensive, body-off restoration carried out in the mid-2010s
• Stunning in Anthracite Grey Metallic (DB172) over red leather upholstery; originally finished in Fire Engine Red (DB534) with Crme leather
• Later equipped with Rudge-style knock-off wheels
• Accompanied by copies of its data card, owners manuals, tool kit, fitted luggage, and restoration photographs

Originally conceived purely as a competition machine, the Mercedes-Benz 300 SL quickly established itself as one of the defining sports cars of the post-war era. Its lightweight construction, advanced mechanical fuel injection, and distinctive aerodynamic form combined to deliver performance that was, at the time, effectively without peer. When adapted for road use, Mercedes-Benz engineers were determined to preserve the integrity of the original racing car, resulting in the celebrated 300 SL Gullwing retaining much of its competition-derived architecture, namely its tubular spaceframe chassis and revolutionary fuel-injected engine.

By the mid-1950s, however, evolving market tastes especially in the United States began to favor open-top grand touring cars that combined sporting performance with a higher degree of comfort and everyday usability. In response, Mercedes-Benz introduced the 300 SL Roadster, conceived not as a mere cosmetic evolution of the Gullwing, but as a comprehensive re-engineering of the platform.

Key mechanical revisions included a redesigned rear suspension with a lowered swing axle pivot point, materially improving stability and tempering the abrupt oversteer characteristics associated with the Gullwing. The Roadster also brought meaningful advances in usability and comfort through its significant structural modifications, most notably its conventionally hinged doors in place of the iconic gullwing configuration for far more dignified ingress and egress. Combined with wind-up windows and markedly enhanced cabin ventilation, these refinements noticeably elevated long-distance touring comfort and secured the Roadsters standing as one of the most accomplished, luxurious, and capable sports cars of all time.

A sensationally appointed, first-year-production example, this 300 SL Roadster was completed in late 1957 for delivery to the US market, specified from new with sealed-beam headlamps and instrumentation in miles, a Becker Mexico radio, and finished in the unmistakably bold hue of Fire Engine Red (DB 534) over Crme leather (1060).

Believed to have been delivered new in California, the cars documented history resumes in 1977 with its listing in the 300 SL Roadster Registry under the care of a Santa Barbara-based owner. Following a period of long-term storage, the car is said to have been acquired in 2014 by a San Francisco Bay Area enthusiast who promptly embarked on a comprehensive, body-off restoration.

The restoration was carried out to an exceptionally high standard, with the body refinished in period-correct Anthracite Grey Metallic (DB172) and complemented by a richly appointed red leather interior. Its mechanical systems, including its numbers-matching engine, are said to have been fully rebuilt, while the car was further enhanced through the fitment of coveted Rudge-style knock-off wheels and fitted luggage. It retains its numbers-matching engine, gearbox, body, rear axle, front axles, and steering box. It is now offered with a copy of its data card, owners manuals, tool kit, and restoration photographs.

Dressed in one of the models most sensational liveries, this beautifully presented 300 SL Roadster is a finely detailed example of one of the 20th centurys most significant sports cars, perfectly at home on a concours lawn, a spirited tour, or wherever automotive excellence is recognized.To view this car and others currently consigned to this auction, please visit the RM website at rmsothebys.com/auctions/mo26/.