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Mercedes-Benz 500K Spezial Roadster Reclaimed by Heirs After WWII Theft

A rare 1935 Mercedes-Benz 500K Spezial Roadster, missing since US troops occupied a German estate in 1945, has been awarded to the grandchildren of its original owner by a Hamburg court.

By Editorial Desk Updated
1936 Mercedes-Benz 500K Spezial Roadster, left side front view
1936 Mercedes-Benz 500K Spezial Roadster, left side front view Valder137 / CC BY 2.0

Hans Prym, a prominent figure in the German textile industry, was well known for manufacturing zips, buttons and other fasteners. In 1935, Prym purchased a Mercedes-Benz 500K Spezial Roadster, a luxurious and rare vehicle that was kept at his estate in Stolberg, close to the Belgian border. The car was a symbol of status and engineering excellence in pre-war Germany, and Prym’s acquisition reflected his success in business.

1936 Mercedes-Benz 500K Spezial Roadster, left side front view
A 1935 Mercedes-Benz 500K Spezial Roadster, similar to the car recovered by the Prym family.

Background: The Disappearance of the Mercedes-Benz 500K

The final months of World War II saw the Allies advancing into Germany. In 1945, US soldiers occupied Prym’s estate as part of their operations in the region. During this period, Prym was detained by the Allies, and the Mercedes-Benz 500K vanished. The circumstances of its disappearance were never fully clarified, but the car was presumed lost as the estate was used as a military base. For decades, the Prym family had no knowledge of the vehicle’s fate.

Rediscovery of a Classic Car

The mystery of the missing Mercedes-Benz 500K Spezial Roadster remained unsolved until it resurfaced in the United States. After decades off the radar, the car appeared at RM Auctions in Monterey, California, in 2011. It was purchased by Frans van Haren, a Dutch classic car collector, for $3.8 million. The vehicle’s provenance and history quickly attracted attention, especially given its extraordinary rarity and value.

Van Haren later transported the car to Germany, where he intended to offer it for sale at the Techno Classica show in Essen in March 2012. However, the car’s appearance in Germany also brought it to the attention of Prym’s descendants, who had been searching for the family’s lost property. Upon learning of the car’s whereabouts, Prym’s heirs initiated legal proceedings to reclaim the vehicle, arguing that it had been taken unlawfully during the war.

The dispute over the Mercedes-Benz 500K Spezial Roadster quickly escalated into a high-profile legal case. In May 2012, the Hamburg regional court considered the evidence presented by both parties. The court found that there was no documentation to prove that the car had been lawfully acquired after the war. As a result, the court ruled in favour of the Prym family, recognising their claim as valid and entitling them to restitution of the vehicle.

The car was impounded by German authorities while the legal process unfolded. Alexander Martius, the lawyer representing the Prym heirs, welcomed the decision and indicated that it was an important step towards returning the car to its rightful owners. The ruling also underscored the challenges involved in tracing ownership of valuable assets lost or stolen during times of conflict.

Implications for Collectors and the Classic Car Market

The case of the Prym Mercedes-Benz 500K Spezial Roadster highlights the significance of provenance and legal documentation in the world of classic car collecting. Vehicles with wartime histories often have complicated ownership trails, and this ruling serves as a reminder that original owners or their heirs may still have valid claims decades later. Collectors, auction houses and dealers are increasingly attentive to the legal status of high-value vehicles, especially those with gaps in their histories.

The court’s decision could influence similar disputes involving classic cars lost or stolen during periods of upheaval. It demonstrates that legal recourse remains available to families seeking restitution for property taken under questionable circumstances, even many years after the original events.

Rarity and Significance of the 500K Spezial Roadster

The Mercedes-Benz 500K Spezial Roadster is widely regarded as one of the most desirable pre-war German automobiles. Only 29 examples are believed to have been produced, making it a highly sought-after collector’s item. The car’s combination of advanced engineering, luxury, and style set it apart from its contemporaries. Its value has only increased over time, with well-preserved examples commanding multi-million dollar prices at auction.

The return of the Prym family’s Mercedes-Benz 500K not only represents the resolution of a long-standing personal mystery but also adds another chapter to the car’s already remarkable history. For the Prym heirs, reclaiming the vehicle is a moment of restitution and a chance to reconnect with a piece of family heritage lost during one of the most turbulent periods of the twentieth century.

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