I thought you meant Ineos employees in the Hambach factory had been on strike...but were you referring to this?
"The two-seater Smart is also manufactured in the Hambach plant. It has been agreed with Mercedes that production should run at least until April 2024. Most recently, however, production had stalled because employees at the largest supplier, Hambach Automotive Exteriors (HAE), went on strike. The company supplies exterior parts for the various models of the Smart city car.
According to Mercedes, this has led to a significant drop in deliveries. While 2245 vehicles left the factory in May, there were only 1491 in June, 453 in July and 289 in August. According to Ineos, production is now running in two shifts again. However, it may still take months to catch up ."