1956 Mercedes-Benz 300 Sc Cabriolet A
- Engine
- 3.0L inline-six with Bosch mechanical fuel injection, 173 bhp
- Colour
- Dark blue

A 1956 Mercedes-Benz 300 Sc Cabriolet, chassis 188.013.6500077, one of only 49 cabriolets built from a total production of 200 cars. Delivered new through a Karlsruhe dealer in April 1956, the car passed through a small number of well-documented American owners and received a thorough restoration under marque specialist Charles Brahms, followed by a comprehensive cosmetic and mechanical freshening at Hjeltness Restoration during its tenure in the James Patterson collection. It has reportedly won Best in Show at the Lake Mirror Classic.
Ownership
- —Auction saleSold US$1,100,000
- —Auction saleSold US$835,500
- 1956-04-27 →Factory deliverySchoemperlen & Gast (dealer, Karlsruhe)full documentation
Factory delivery destination; original build sheet and dealer verification retained in the car's file.
- → 1960Private saleDavid Siegristpartial documentation
President of Montclair Studebaker-Packard in New Jersey, which at the time also operated as a Mercedes-Benz retailer.
- 1960 → 1978-07-01Private saleBen Halsellfull documentation
Based in Greens Farms, Connecticut; added approximately 39,000 km during ownership, bringing the total to around 77,000 km. Corresponded with Mercedes-Benz of North America regarding build records; his sale letter is retained in the file.
- 1978-07-01 → 1982Private saleAlex Dearbornpartial documentation
A marque specialist who retained the car for approximately four years; noted in subsequent correspondence that the vehicle was entirely original and in show-worthy condition at the time of acquisition.
- 1982 →Private saleMichael Hallpartial documentation
Based in Newport Beach, California; commissioned a full restoration through noted 300 Sc specialist Charles Brahms, resulting in a highly regarded presentation.
- Date unknownAcquisition unknownKarlsruhe-area brewerpartial documentation
First private owner, reportedly based near Karlsruhe; car was observed by a visiting American importer who then arranged its purchase and export to the United States.
- Date unknownPrivate saleNew Jersey importerpartial documentation
Purchased the car while on a European trip and arranged its import into the United States; subsequently sold it to a New Jersey automobile dealer.
- Date unknownIntervening owners (multiple, unidentified)none documentation
- Date unknownAcquisition unknownJames Pattersonpartial documentation
Prominent collector based in Louisville, Kentucky; held the car for well over a decade and commissioned a detailed inspection and cosmetic and mechanical freshening by Hjeltness Restoration in California.
Competition
- —Mercedes-Benz Club of America ConcoursMBCA Concours (local)competitive quality noted
Alex Dearborn remarked in later correspondence that the car was presentable enough to win the nearby MBCA concours event during the period he owned it; no specific win is confirmed.
- —Lake Mirror ClassicBest in Show
Award reported by the consignor; no specific year given in the prose.
Maintenance & restoration
- —RestorationCharles Brahms
Comprehensive restoration carried out by Charles Brahms, a leading 300 Sc specialist of the era, resulting in a complete and flawless presentation of the car.
Commissioned by owner Michael Hall during his tenure in Newport Beach. Dearborn's correspondence described the car as entirely original prior to this work.
- —MechanicalHjeltness Restoration
Thorough mechanical attention covering water pump rebuilding, brake servicing including master and wheel cylinder sleeving, repair and reinstallation of temperature and amperage gauges, replacement of various gauges and seals, and renewal of battery cables and hold-downs.
Wheel and master cylinders were sleeved by White Post Restorations as part of the brake work. Carried out during James Patterson's ownership.
- —BodyworkHjeltness Restoration
Cosmetic refurbishment including replacement of front and rear carpets, re-veneering of all interior woodwork, recovering of the leather dashboard and glovebox door, rectification of minor paint blemishes, replacement of bumper guard rubbers, and rebuilding of the radio.
Radio was rebuilt by specialist Charles Siegfried as part of the same programme. Carried out during James Patterson's ownership.
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