1957 Mercedes-Benz 300 SL Roadster
- Engine
- 3.0L straight-six, dry-sump, Bosch mechanical fuel injection, 240 bhp
- Colour
- Red over black leather interior, black convertible roof

A 1957 Mercedes-Benz 300 SL Roadster with documented history from new, this car was delivered to the United States on 15 October 1957 in white over blue leather. One of 1,858 roadsters produced through 1963, it underwent a comprehensive body-on restoration covering all major systems under a long-term Nevada owner, and has since been maintained to high standards. It retains U.S.-specification fittings, a matching factory hardtop, fitted luggage, original Becker Mexico radio, and supporting documentation including Mercedes-Benz Classic records.
Ownership
- —Auction saleEstimate US$1,100,000 – US$1,200,000
- 1957-10-15 →Factory deliveryFirst US delivery recipientpartial documentation
Car delivered new to the United States in original white over blue leather specification with dark blue folding top.
- Date unknownAcquisition unknownPhilip C. Kennedyfull documentation
Las Vegas, Nevada owner who commissioned a thorough body-on restoration covering bodywork, chrome, trim, upholstery, engine, and mechanical systems; all work fully documented. Sold the car due to illness, reportedly achieving a record price at the time.
- Date unknownPrivate saleDealer-collector following Kennedypartial documentation
Well-known figure in the trade who acquired the car from Kennedy; a major service and clutch replacement were carried out during this period.
- Date unknownAcquisition unknownSubsequent owner prior to consignorpartial documentation
During this ownership the car took part in road rally events and was maintained by David Grant of David Grant Ltd to preserve mechanical and cosmetic condition.
Competition
- —Road rally events (unspecified)
Car participated in one or more road rallies during a later ownership period; no further details on specific events or results are provided.
Maintenance & restoration
- —Restoration
Full body-on restoration to a high standard encompassing bodywork, chrome, interior trim and upholstery, leather, engine, and a complete mechanical overhaul. All work thoroughly documented.
Carried out during Philip C. Kennedy's ownership; supporting documentation is included with the car.
- —Service
Major service completed and clutch replaced.
Performed during the subsequent dealer/collector ownership after Kennedy's sale.
- —ServiceDavid Grant
Ongoing mechanical and cosmetic maintenance carried out to preserve the car's high standards.
Work undertaken by David Grant of David Grant, Ltd. during a later ownership period.
- —Service
All fluids changed and front and rear bumpers re-chromed in preparation for sale.
Described as recent at time of cataloguing; paint and interior reported in excellent condition.
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