Mercedes is examining a significant shift in its role as a power unit supplier in Formula 1, with team principal Toto Wolff addressing the topic directly. At the moment, Mercedes is the manufacturer with the largest customer portfolio on the grid: in 2026, eight out of the twenty-two cars will be equipped with engines from the Brackley-based outfit. However, according to Wolff, this scenario may change once the current regulatory cycle ends in 2030. The Austrian executive hinted that Mercedes could bring at least one of its customer partnerships to an end after this period.
Currently, McLaren, Williams, and Alpine all have contracts that run at least until the conclusion of the 2030 season for the supply of Mercedes power units. Despite these long-term agreements, the German manufacturer is already evaluating a reduction in production volumes, driven largely by logistical and operational considerations.
Wolff’s comments
Speaking on the “Beyond the Grid” podcast, Toto Wolff explained the reasoning behind this potential shift in strategy: “Our current way of thinking, also in discussions with Ola, is that we will reduce the number of teams we supply in the next cycle,” he said. According to Wolff, the ideal number of Mercedes-powered teams would be “between two and three.”
Toto Wolff added that the final decision will depend heavily on how the upcoming regulations develop: “It depends on what the future regulations look like. Are they relatively simple or not? And what do we believe we can actually learn by supplying more teams?”
The issue does not concern technical strategy alone. It is also linked to the massive manufacturing challenge behind operating as a multi-team supplier. With four customer teams, Mercedes will have to deliver a total of sixteen brand-new power units for the 2026 Australian Grand Prix, the opening round of the new regulatory era. Wolff highlighted how disproportionate this is compared to their direct competitors: “If you’re Honda on your own, it’s four or five,” he noted, referring to the number of engines that would need to be shipped to Melbourne. “That means longer lead times, longer production cycles.”
Considering all these factors, Wolff concluded that the current supply volume is not sustainable in the long run: “So, taking everything into account, going forward our customer teams will definitely not remain four.”
For now, Mercedes remains fully committed to its four customers through 2030. But Toto Wolff’s comments make one thing crystal clear: when the next big regulation cycle arrives, the Silver Arrows plan to travel significantly lighter.
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