Hans Nibel.

Nibel and chassis engineer Max Wagner saw Edmund Rumpler's teardrop car at Berlin in 1921, licensed its drawings and turned the idea into the Benz RH. The engine sat between driver and rear axle; its double-jointed swing axle was a racing first. It finished fourth at Monza in 1923, four laps behind the winner. The concept was prophetic, the unsupercharged engine too slow, and the honorary prize went to Wagner.

When Benz and Daimler entered their working syndicate in 1924, the two design offices remained divided: Nibel in Mannheim, Ferdinand Porsche in Untertürkheim, formally equal but with Porsche signing as responsible. The full merger of Daimler and Benz brought both men under one roof. Their coexistence lasted until Porsche's contract was not renewed at the end of 1928.

On 1 January 1929 Nibel became technical director of Daimler-Benz. The archive's headline is blunt: “Ferdinand Porsche goes, Hans Nibel stays.” He inherited a company with a confused catalogue, a divided engineering culture and the Depression approaching. Beside him was Fritz Nallinger, the young test engineer who had helped him make the OM 5 diesel buildable and would eventually continue his work.

The merger did not make authorship simpler. Nibel answered for the whole car; Wagner drew chassis, Albert Heeß and Otto Schilling engines, and other men's names vanished into the department. Later corporate histories solved that problem by calling everything Nibel's. The archive, when read closely, does not.

The first of the Silver Arrows won the Eifelrennen on 3 June 1934. The familiar story says it had weighed one kilogram too much, so Alfred Neubauer ordered its white paint sanded away overnight. There are several problems. The 750-kilogram formula did not apply to the race, the cars were weighed with tyres although the later rule excluded them, and a radio recording calls a Mercedes “the silver arrow” in 1932.

Neubauer first published the tale in 1958, twenty-four years after the event, in a memoir Motor Sport called “a good read, but hardly to be trusted.” Nibel does not appear in it. He carried responsibility for the W25; Wagner developed the chassis, Heeß and Schilling the engine, and German accounts give Nallinger overall project leadership. The story displaced every one of them.

That does not make the car less remarkable. The W25 was designed to a new formula under brutal time pressure, won four major races in its first season, and started the works programme Uhlenhaut would later transform. But the clean creation myth — one chief engineer, one brilliant car, one night of scraped paint — is not history.

Nibel's career resists the same treatment. He was neither the solitary genius of Daimler's biography nor merely the manager above the drawing boards. His real achievement was institutional: assembling Wagner, Nallinger, Heeß, Schilling and others into a company that could build a 170, a 770 and a W25 at once — and accepting the failures with the successes.