Legacy Metrics

1957 Mercedes-Benz 300 SL Roadster

198.042.7500233roadGermany
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

  1. Auction sale
    Estimate US$1,100,000 – US$1,200,000

    RM Sotheby's catalogue lot →

  2. 1957-10-15 →Factory delivery
    First US delivery recipient
    partial documentation

    Car delivered new to the United States in original white over blue leather specification with dark blue folding top.

  3. Date unknownAcquisition unknown
    Philip C. Kennedy
    full 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.

  4. Date unknownPrivate sale
    Dealer-collector following Kennedy
    partial 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.

  5. Date unknownAcquisition unknown
    Subsequent owner prior to consignor
    partial 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

  1. 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

  1. 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.

  2. Service

    Major service completed and clutch replaced.

    Performed during the subsequent dealer/collector ownership after Kennedy's sale.

  3. Service
    David 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.

  4. 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.

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.

Each chassis record is compiled from public auction archives and links to its source material. Ownership, competition and maintenance entries are extracted from those catalogue listings by an LLM, which can make mistakes — please contact us with any corrections. The summary is Legacy Metrics’ own writing; we do not reproduce catalogue text.

“Full” and “partial” documentation labels indicate how well each entry is corroborated in the underlying sources, not an audit of the car’s physical paperwork. Names of recent or living owners are withheld for privacy.