Mercedes open to potential engine rule changes
After making strong statements in recent days, Mercedes CEO and team principal Toto Wolff has softened his stance, indicating that the team is open to a possible adjustment to the power unit regulations. However, the Austrian is seeking clarity on how the FIA plans to proceed while giving Mercedes time to adapt its engine. “We’ll only lose two or three horsepower, but it will take time,” he explained.
“Until last Friday, I had the impression that nothing would change.” Toto Wolff’s words sound like a resigned acknowledgment, or something very close, to the possibility that the combined pressure from other power unit manufacturers has achieved its goal: introducing a “hot” test to check the compression ratio of V6 engines starting from the Australian Grand Prix.
“I’m a bit confused,” the Mercedes team principal continued. “It’s still not clear to me how we arrived at this point in just a few weeks. Now the issue has suddenly become very current.”
A shift in tone
Just a few days earlier, during the team’s car launch, Toto Wolff had taken a much firmer tone, urging competitors to “get to work” and emphasizing that the technical regulations were clear. The shift came after last week’s meeting of power unit manufacturers, after which Mercedes’ stance appeared more cautious, almost resigned to a regulatory update that will introduce new technical checks.
“If teams, the FIA, and the commercial rights holder join forces, there’s little we can do,” Toto Wolff admitted. “I think in recent months there’s been intense lobbying from the other manufacturers—secret meetings, confidential letters to the FIA—but there are no secrets anymore, and I think that has brought us to the current situation.”
The timing challenge for power units
Opportunities for a last-minute reversal now appear minimal. “In Formula 1, surprises always happen, so you can’t be 100% certain. We have shared our project with the FIA step by step, receiving all guarantees of compliance with the rules. We’re not talking about a huge performance gain, but I think our competitors were upset and have been applying pressure for some time.”
Mercedes has ruled out any legal action against the FIA. The main issue now concerns the timeline needed to adapt power units to the new technical requirements. Toto Wolff directly addressed the FIA on this point: “If new rules are introduced, they must be respected, but if it’s not possible to implement them quickly, then it’s up to the FIA to find a solution. At the moment, this is unclear. Developing an engine takes a lot of time, and if you’re prevented from running it the way it was designed, the consequences can be very damaging.”
Minimal performance impact, but a significant precedent
At the same time, Toto Wolff downplayed the performance impact on the power unit: “We’re talking about just a few horsepower, maybe two or three at most, so something almost negligible over a Grand Prix. The point, however, is the precedent that is being set.”
This shift in strategy from Toto Wolff highlights the immense pressure of the 2026 regulation cycle. By choosing diplomacy over litigation, Mercedes is looking to stabilize its position before the first race, even if it means sacrificing a small engineering edge to maintain harmony within the sport’s governing structure.
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