1957 Mercedes-Benz 300 SL Roadster
- Engine
- Inline-six, increased compression for 100-octane fuel, ~240 bhp (up 25 hp from coupe spec)
- Colour
- Black (DB 040)

A 1957 Mercedes-Benz 300 SL Roadster, chassis 7500603, built to U.S. specification and completed on 27 December 1957. Originally delivered in black over red leather with a Becker Mexico Radio, it spent its early years on the West Coast before receiving a concours-level restoration around 2000. Subsequent owners maintained it to a high standard, and it has twice completed the California Mille. The car retains matching chassis, body, and engine numbers and carries extensive documented service history.
Ownership
- —Auction saleEstimate US$1,200,000 – US$1,400,000
- —Auction saleSold US$1,655,000
- → 2015Acquisition unknownChuck Mountainpartial documentation
Former engineer at Kar Kraft Engineering with involvement in Ford factory motorsport; commissioned a full concours-level restoration around 2000 using parts from Paul Russell and Company, employing a Mercedes-Benz Classic Center technician.
- 2015 →Private salePrevious owner seeking touring-event vehiclepartial documentation
Had the car comprehensively serviced and detailed by Canepa Design before taking delivery; later commissioned further mechanical and cosmetic work including a full exterior repaint through Virtuoso Performance and Coachwerks.
- Date unknownFactory deliveryStudebaker-Packard Corporation, San Francisco branchpartial documentation
Served as the authorized Mercedes-Benz distributor in the region; vehicle was shipped from Hamburg and received at this branch on the West Coast.
- Date unknownWest Coast owner or owners (presumed)none documentation
Early ownership history assumed to have been on the West Coast of the United States; no documentation or names provided in the source.
Competition
- 2015California Mille2015 California MilleCompleted
Car's first participation in this long-distance touring event shortly after the most recent owner acquired it; returned to Canepa Design for additional sorting afterward.
- 2016California Mille2016 California MilleCompleted
Second successful completion of the event by the same owner, confirming the car's suitability for long-distance touring use.
Maintenance & restoration
- 2000RestorationChuck Mountain's facility (with Paul Russell & Company parts)
Full concours-standard restoration carried out at Chuck Mountain's facility using parts sourced from Paul Russell & Company. A former Mercedes-Benz Classic Center employee was engaged to oversee the work.
Car was driven only sparingly after the restoration was completed.
- 2015ServiceCanepa Design
Comprehensive mechanical servicing and cosmetic detailing totalling more than 250 hours, carried out immediately before the 2015 owner took delivery.
Located in Scotts Valley, California.
- 2015ServiceCanepa Design
Additional sorting and mechanical attention following the car's first California Mille participation.
A follow-up visit to the same workshop after the 2015 event.
- 2019MechanicalVirtuoso Performance
Thorough no-expense-spared mechanical overhaul covering the ignition, timing, braking, and fuel-delivery systems.
Located in Hayward, California.
- 2019BodyworkCoachwerks
Exterior repainted in the factory-correct black (DB 040) colour.
Located in Victoria, British Columbia, Canada.
Are you the owner of this car?
This car's public record is built from its auction and competition history. Register your ownership and privately add your own records to make it a verified Legacy Metrics passport — provenance that backs your car's value at sale and gives your insurer evidence to price against. Roy reviews and verifies every registration personally.