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F1 Factories Work Overtime Ahead of Revolutionary 2026 Rules
While drivers unwind, teams are working tirelessly behind closed doors to completely overhaul their Formula 1 cars for the sweeping 2026 regulation changes.
By Michael de Vries - 2026-02-11T00:05:00.000Z - 2 min read
Although the Formula 1 circuits have fallen silent with the 2025 cars packed away, an unprecedented hive of activity reigns behind closed doors at team headquarters. The impending 2026 regulation overhaul, set to completely redefine the cars and their power units, is triggering intense workloads.
At Mercedes High Performance Powertrains in Brixworth, focus is not only on reflecting upon a dominant era—having supplied the engines for eight consecutive constructors' titles between 2014 and 2021—but also on looking ahead. Led by Hywel Thomas, the division is crafting an all-new power unit to supply four teams, including Mercedes itself, in 2026.
Parallel to engine development, work on the overall car continues at team headquarters in Brackley. Technical Director James Allison, drawing on over thirty years of Formula 1 experience, is overseeing the overhaul and describes the incoming regulatory shift as 'the biggest ever' in the history of the sport.
While engineers clock overtime, drivers are enjoying a well-earned break. Mercedes driver Kimi Antonelli is relaxing with family, Haas driver Ollie Bearman is recharging in the Maldives, and Valtteri Bottas is already preparing in Australia for his return with the new Cadillac Formule 1-team.
Haas is also pushing hard for the future. Race engineer Laura Muller, having just completed her first season on the pit wall alongside Esteban Ocon, stresses the necessity of tight internal collaboration to be ready for the new era, noting that the lessons of 2025 will be invaluable.