“The future of the site, he died”, the employees of Stellantis in Poissy disillusioned

The Stellantis factory in Poissy is the last factory to produce cars in Île-de-France. Employees have just learned to stop for a few days from the factories of Sochaux (Doubs) and Mulhouse (Haut-Rhin), after similar announcements concerning sites in Germany, Spain, Poland and Italy. In the Yvelines the workers have little hope about their future. Words of workers.

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“The production will disappear” “the future of the site, it is dead”, “it will close”. On the Stellantis de Poissy site, the workers are bitter. They are convinced of the upcoming disappearance of their factory. Three weeks of partial unemployment were announced eight days ago to the 2,500 employees of the factory, including 2,000 workers, due to a “difficult market in Europe”.

In Sochaux and Mulhouse, production will stop for a week. During an ordinary social and economic committee (CSE), which was held on Tuesday, “the management of Stellantis Mulhouse announced the cessation of the production of the terminal unit manufacturing the models 308, 408 and DS7 for a week, from October 27 to November 02,” said the CFE-CGC union in a press release. A spokesperson for Stellantis France confirmed the decision.

At the porticos of the immense site, which extends over 123 hectares, workers interviewed this Tuesday enter and go out at midday, when changing teams in the factory. Backpack on the shoulder, professional badge around the neck, in a navy blue work jacket, many have a closed face and do not stop, or briefly. 

“It will allow you to rest,” quips a worker who adds: “the future of the site, he is dead.”

“It is sad but the production is led to disappear,” analyzes Christophe Villemer. The young man works for a Stellantis provider. According to him, the Opel Mokka, which is practically the last model made in Poissy (420 vehicles per day), is too expensive compared to the competitors. 

This is the state of mind that dominates among the employees interviewed: none believe in the survival of this historic factory, which has manufactured cars on the edge of the Seine since 1937, owned by Peugeot since 1978, which has become Stellantis from 2021. 

Some DS3 Cross Back still emerge from the two production lines, but “it must count on the fingers of the hand”, according to Patrice Zahn, representative of the South at the Social and Economic Committee (CSE), also encountered at the entrance. The trade unionist has already experienced the closure of the PSA factory in Aulnay (Seine-Saint-Denis), in 2014, after four months of strike.

For the workers of Poissy, “the three weeks of partial unemployment reinforce the idea that it will end up closing,” notes Patrice Zahn. “There are angry employees, disappointed or worried, there is a lot of back to school,” he said. “We think we have for a year and a half, two years to break everything,” predicts Patrice Zahn.

It is “unheard of in Poissy”, underlined Jean-Pierre Mercier, another representative of the South, at the time of the announcement of partial unemployment.

The group, which crosses a difficult pass, with sales down 9.47% in France since early 2025, plans to stop producing the Mokka – without specifying when – and has not announced the manufacture of any other vehicle in Poissy. 

The group’s French headquarters and research and development services are also on this site “with a huge research center like that which has just opened, they risk nothing,” comments an employee wishing to be anonymous. 

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