The W201 began as two sentences from a development chief in January 1974. What followed was eight years of engineering work — 77 rear-axle variants, a rejected front-wheel-drive programme, and a pre-production codename the press invented: Ushido.
Hans Scherenberg wrote the original specification for the W201 in January 1974. He was Mercedes's development chief and he set two conditions the car had to meet, in language that left no room for compromise: it must be a proper Mercedes, and it must not sacrifice the qualities the badge implies. Werner Breitschwerdt took over from Scherenberg in 1977. He kept both conditions intact. Eight years later, the car that came off the Sindelfingen line carried both of them.
The commercial logic behind the compact Mercedes was straightforward: BMW's 3 Series was selling well to younger buyers who wanted a premium small car. Mercedes had nothing below the W123 mid-size. But the engineering mandate was not just to match the BMW — it was to produce a car that felt qualitatively different from every competitor in the segment, including the BMW. Heavier, longer, more comfortable cars were the alternative. Scherenberg's team chose to shrink the car while keeping the character.
Development chief Hans Scherenberg defines the boundaries for a new compact Mercedes in a two-point directive: the car must be a proper Mercedes — not an Opel or Ford with a three-pointed star — and it must not sacrifice the qualities customers associate with the brand. Ride quality, safety, and build precision are non-negotiable, even in a smaller package.
The initial Lastenheft (requirements specification) is registered. Point one: this model is not intended to compete in the mainstream mid-size market occupied by Opel and Ford. Point two: the W201 must differentiate itself through the qualities the Mercedes badge implies — quality, safety, and Fahrkultur. The commercial logic is secondary to the brand logic.
With Breitschwerdt now leading development (he took over from Scherenberg in 1977, inheriting unchanged objectives), the formal pre-development phase begins. The car has no official name. In press circles it acquires an unofficial one: Ushido. The engineering brief is equally precise: match Mercedes build quality in a body 30 cm shorter and 10 cm narrower than the W123, and 280 kg lighter. A new, younger demographic is the explicit target. Front-wheel drive is on the table.
The board reaches consensus: the compact Mercedes is necessary and will be built without a manufacturing partner. Front-wheel drive is rejected — engineers conclude it is not possible to achieve optimum handling in a vehicle of this weight class without separating the drive and steering functions. The rear-wheel-drive, rear-axle development programme begins. A modular bodyless test chassis is built specifically to allow rapid swapping of rear suspension configurations.
This is the defining engineering work of the W201 programme. Eight fundamentally different rear axle concepts are built and tested in 77 distinct configurations. The evaluation criteria cover handling balance, packaging within the compact bodyshell, weight, repairability, and behaviour at the limit. Five individually located links — each controlling a specific degree of movement — emerges as the optimal geometry in all categories. The five-link Raumlenker is confirmed as the W201's rear suspension.
The W201 is formally incorporated into Mercedes's future product plan. It is no longer a research project — it is a confirmed model with a production target. Safety development draws on experience from the Experimental Safety Vehicle (ESV) programme that Mercedes ran through the early 1970s. The ESV work, though never producing a production car, had generated data on crumple zones, occupant cell rigidity, and restraint systems that feeds directly into the W201's structure.
Hand-built pre-production prototypes go onto public roads in disguise. The standard Mercedes approach: tape lines applied to alter visual proportions, body panels modified to confuse photographers. The Ushido — still without a public name — runs alongside W123 traffic on German roads. Engineers gather real-world data on NVH (noise, vibration, harshness), weather sealing, and suspension refinement that no test track can fully replicate.
Assembly starts at Sindelfingen at a deliberately restricted rate: approximately 100 vehicles per day. The low initial volume allows quality control processes to be validated and assembly-line issues to be resolved before full production begins. It also builds stock in advance of the public launch, reducing the order backlog that had historically frustrated buyers of new Mercedes models.
The Mercedes-Benz 190 and 190E are shown to the public at the Frankfurt motor show. Eight years of development, from Scherenberg's January 1974 brief to the exhibition stand. The press name Ushido is retired. The car is the W201. Orders open immediately.
The car had no official name during development. Mercedes referred to it internally by its engineering designation — W201 — but gave the press nothing to work with. Automotive journalists watching the camouflaged prototypes on public roads and at test facilities needed something to call it. "Ushido" emerged in press circles in the late 1970s; its precise origin is not documented. It was never a Mercedes name, never appeared in any official document, and was dropped immediately when the production car was revealed in September 1982. But it followed the car through its eight development years, and any serious W201 archive will use it.
The five-link rear suspension developed for the W201 — the Raumlenker — remained in continuous production use through the W202 C-Class, the W203, and into subsequent C-Class generations. It is one of the most consequential engineering decisions made during the W201 programme.