1954 Mercedes-Benz 300 SL Gullwing

Stockholm-based distributor that received the car as the first 300 SL delivered to Sweden; served as the initial distribution point before the first private owner registered it.

Registered the car in January 1955 and used it actively in motorsport, including races and a Swedish ice-speed record attempt. Later acquired a second Mercedes as his main competition vehicle, prompting the sale.

Gothenburg-based owner who registered the car in early December 1956; ownership ended due to his death in a road accident.

Also from Gothenburg; acquired the car from Relve's estate. Had the car repainted ivory, and following a road accident in the late 1960s, sent it to Germany for structural repairs.

Exported the car from Sweden in 1972 alongside a Ferrari 750 Monza, then sold it directly to a Swiss buyer.

Based in Wil, Switzerland; purchased the car directly from Piper and held it for approximately four years before it returned to Sweden.

Swedish owner who drove the car at events in both Sweden and Germany over roughly thirteen years of ownership.

Gothenburg-based couple who held the car for approximately four years before it moved to Germany.

Based in Polling, Germany, and a principal of HK Engineering, where the car underwent a comprehensive restoration during the 1990s. The car subsequently competed in the Mille Miglia Storico twice during this period.

Acquired the car in late 2012 and commissioned mechanical refurbishment including replacement wheel cylinders, an under-tray set, and a new gearbox.

Collector based in Grainau, Germany; first of two successive German owners after the car left Sweden.

One of several motorsport events the first owner entered the car in during 1955.

Record run conducted on the frozen surface of Lake Varpen; the achieved speed established a new national benchmark for on-ice velocity.

One of two separate entries in the historic Mille Miglia, likely during the period of Hans Kleissl's ownership following the HK Engineering restoration in the 1990s.

Second of two confirmed starts in the historic Mille Miglia during the same general ownership period.

Following acquisition in late 2012, the current owner had the car freshened, with new wheel cylinders, a replacement under-tray set, and a new gearbox installed.

The car was repainted from silver to ivory at some point during Harry Tilgmann's ownership.

Following a road accident during Tilgmann's ownership in the late 1960s, the car was transported to Germany for structural or bodywork repair.

A thorough, comprehensive restoration was carried out at HK Engineering while the car was owned by Hans Kleissl.

Work took place during the 1990s; precise start and completion dates not recorded in the source.