1955 Mercedes-Benz 300 SLR Coupé, sells for record €135 million 

19 May 2022: A road-racing car built by Mercedes-Benz in 1955, and kept by them ever since, has been secured by British expert Simon Kidston for a client. Kidston had lobbied the board of the German company for 18 months to consider selling the car “that would never be sold”.

In an invitation-only event held at short notice in conditions of great secrecy at the Mercedes-Benz Museum in Stuttgart on 5 May 2022, Kidston’s bid of €135m secured the car for an unnamed collector. All monies will be used by Mercedes-Benz to set up a charitable fund for young people.

It had always been assumed that Mercedes would never part with one of the crown jewels of its company collection, considered the ‘Mona Lisa’ of cars because of its rarity, racing pedigree, beauty and unavailability. The final figure of €135 million (c.US$142 million on the day) smashes the existing record for the sale of a car, believed to stand at $78 million in a private sale of a 1962 Ferrari 250 GTO which took place in 2018.

The 1955 Mercedes-Benz 300 SLR Coupé was a development of the open two-seat sports-racing car built by Mercedes for the 1955 season and driven by Grand Prix greats such as Stirling Moss, Juan Manuel Fangio and Peter Collins. Heavily based on the company’s all-conquering W196 Grand Prix single-seater, the W196 S sports car was powered by a 302bhp, 3.0-litre straight-eight of great complexity, and dominated the 1955 World Sportscar Championship. Moss’s record drive on the 1955 Mille Miglia has been described as one of the greatest-ever feats of motor racing.

Dual-nationality (German and British) engineer and chief of Daimler-Benz motorsport Rudolf ‘Rudi’ Uhlenhaut commissioned two closed versions of the dominant sports car for endurance racing use. The design shares styling cues with the famous 300 SL ‘Gullwing’ road car but under the skin is a pure competition car with almost no concession to practicality, as none was ever intended to be sold to private clients.

Neither 300 SLR Coupé was raced, though they were used for practice and as highly skilled driver Uhlenhaut’s high-speed transport to European events. A road test jointly conducted by British magazine Autocar and Swiss periodical Automobil Revue in 1956 produced the following figures: 0-60mph 6.9sec; 0-120mph in 20.3sec; maximum speed 176.47mph. For the purposes of the road test, the car was fitted with power-sapping silencers.

“Remember that this car is not for sale, and in this form never will be: it is a racing car adapted for road use with certain experimental objectives in view… It has to be mastered like a mettlesome horse.”

“To have driven it has eclipsed all previous experiences in 20 years of test driving on the world’s finest cars, and I do not expect to find its match for a long time to come.” Writing for British magazine Autocar in January 1957, Gordon Wilkins describes the other-worldly capabilities of the SLR Coupé.

Commenting on the record transaction, Kidston said:

“If you had asked classic car experts and top collectors over the past half a century to name the most desirable car in the world, there’s a good chance that they would have come up with the same model: the Mercedes-Benz 300 SLR. It’s a combination of exotic engineering, all-conquering racing history, the power of the three-pointed star on its nose and the fact that one had never, ever been sold. Many collectors had tried, all had failed

“That was what the entire motoring world thought, but times change, and if you don’t ask, you’ll never know. A long-standing relationship with the Mercedes-Benz Museum helped, but even after 18 months of patient lobbying, we didn’t know if or how they would consider letting the 300 SLR out of captivity until just before it happened. For everyone involved, and especially the new owner whom we represented, this was a once-in-a-lifetime chance to buy the Mona Lisa of cars.”

About Simon Kidston and Kidston Motor Cars

Simon Kidston has lived and breathed sports cars all his life. The nephew of 1920s ‘Bentley Boy’ Commander Glen Kidston, who raced against Mercedes ace Rudolf Caracciola at Le Mans, Simon has turned a love of cars and their histories into a niche global business.

Born in 1967, the son of Commander Home Kidston, a British naval officer who owned and raced cars in his spare time, Simon grew up in Italy and was educated in Switzerland.

Launching his career “with an abundance of enthusiasm over qualifications” in the auction department of a London classic car dealership, Simon was head-hunted eight years later to co-found Brooks (now Bonhams) Europe with the late Robert Brooks. Over the next decade he developed high-profile auctions around the globe including the single-marque Mercedes-Benz sale at the factory’s Stuttgart Museum.

Simon finally stepped down as President of Bonhams Europe in 2006 to found Kidston, the consultancy that has since become synonymous with Private Treaty sales of rare and exceptional motor cars. It has offices in Geneva and Dubai and has recently expanded into Italy, where it is developing a car restoration business based on artisanal skills.

In addition to the brokerage of ‘Best of the Best’ classic cars, Simon Kidston serves as Master of Ceremonies at the celebrated Concorso d’Eleganza Villa d’Este and is a longstanding judge at Pebble Beach. He served as head judge of the Cartier ‘Travel with Style’ concours in India, official commentator of the Mille Miglia and is a curator of the Homo Faber Foundation in Venice. His company publishes books including the definitive works on the Lamborghini Miura, and produces the K500.com market index. In 2010 he was invited by Mercedes-Benz to drive his favourite car, the 300 SLR ‘Uhlenhaut Coupé’, one of few people outside the factory ever to do so.

He has spent many years tracking down and buying back family cars, including the Mercedes-Benz 300 SL Gullwing his father collected new from the factory in 1955. Simon drove this car to the 300 SLR auction in Stuttgart on 5 May 2022.

  • One of two 1955 Mercedes-Benz 300 SLR Coupés ever built, both retained from new by Mercedes is sold for first time ever.
  • Sister car to Stirling Moss’s Mille Miglia-record-breaking, open-cockpit 300 SLR, which covered 992 miles in 10 hours, 7 minutes and 48 seconds on public roads.
  • Both 300 SLR Coupés had remained at Mercedes-Benz factory since new, the other one (nicknamed ‘Blue’ for its upholstery) on Museum display, and this car (‘Red’) kept mostly in storage with 6,045km covered in its entire lifetime.
  • Mercedes-Benz hosted secret ‘invitation-only’ auction in Museum on 5 May 2022 with strict requirements for bidders, each hand-picked by Mercedes.
  • Winning bid made by British expert and dealer Simon Kidston on behalf of a client, after lobbying Mercedes-Benz board for 18 months to consider selling the car.
  • All €135 million to benefit charitable fund being set up by Mercedes-Benz.
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