Mercedes has signaled an open mind regarding a potential overhaul of Formula 1's Additional Development and Upgrade Opportunities (ADUO) mechanism. Team principal Toto Wolff acknowledged that Honda, Aston Martin's engine partner, still "needs more" assistance to become competitive. His comments come amid discussions between Fernando Alonso and FIA President Mohammed Ben Sulayem about Honda's struggles under the 2026 power unit regulations.
Honda has been under intense scrutiny this season. Delays in development left its power unit underpowered, overweight, and unreliable. As a result, Honda qualified for the ADUO catch-up program, which grants extra development tokens and budget cap relief. An additional package was agreed in May, but the first upgrade yielded only marginal gains. Alonso and teammate Lance Stroll remain mired at the back of the grid.
Alonso's frustration boiled over at his home Spanish Grand Prix last weekend. The two-time world champion appeared visibly disheartened, prompting Ben Sulayem to promise direct talks. "There is no way we can allow Fernando Alonso, a great champion, to leave just because of the circumstances," Ben Sulayem said in Madrid. "He has to be successful and then he leaves whenever he wants, not because he was forced to leave because of the performance."

Wolff responded positively to Ben Sulayem's stance. "ADUO was designed as a catch-up mechanism and that formula was unlocked for Honda. And they need more," Wolff told Motorsport.com. "The conversation that the president had with Alonso is fair enough. We want to have all of these top constructors in the sport. We want them to be competitive and successful." He added that regulations exist for the greater good of the sport, and Mercedes would not stand in the way of necessary adjustments.
However, the ADUO system itself has been a source of controversy. Mercedes, which appears to have the benchmark power unit, also received upgrade opportunities, while Red Bull-Ford Powertrains was frozen out. This has raised questions about fairness and effectiveness. Wolff acknowledged the unease, hinting that a comprehensive review is likely during the off-season.
For Aston Martin, backing Honda is non-negotiable. The Silverstone-based team has invested heavily in the Japanese manufacturer, and Honda's failure would directly impact their ambitions. Alonso, whose contract is set to expire, clearly does not want to spend his remaining years at the back. His talks with the FIA signal a demand for real change, not just promises.
If ADUO is revised, Honda could gain more time and resources to close the gap. But any mid-season rule change risks protests from rival teams. Mercedes, as the current pacesetter, seems unfazed. "We want this sport to be healthy. If Honda needs more, let's discuss it," Wolff added. This stance suggests Mercedes prioritizes long-term stability over short-term gain.
Ultimately, public pressure on the FIA is mounting. Alonso is an icon, and his departure due to performance would be a blow to F1's popularity, especially in Spain. Ben Sulayem has promised to find a solution, and Wolff has opened the door. The ball is now in the FIA's court to decide how far they will go to save face for Honda and Alonso. One thing is certain: the paddock will never be dull.



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