Ferrari have formally requested the Fédération Internationale de l’Automobile (FIA) to clarify why Mercedes and Red Bull were able to exploit a loophole in the 2026 engine regulations, allowing an emergency cut-off of the MGU-K during qualifying sessions. The Scuderia are seeking answers after noticing both teams appearing to use the mechanism to gain a performance boost in the final moments of their flying laps.
During the Japanese Grand Prix qualifying at Suzuka Circuit, Mercedes driver Andrea Kimi Antonelli secured pole position with a 1:28.778 lap, completing a dominant one-two for the Silver Arrows. Mercedes engine customer McLaren also posed a significant challenge to Ferrari, with Oscar Piastri claiming P3 on the grid, narrowly ahead of Ferrari’s Charles Leclerc, who qualified in P4. Lando Norris lined up P5 in his McLaren MCL40, just ahead of Lewis Hamilton in P6 in his Ferrari SF-26, separated by a margin of 0.158 seconds.
Red Bull struggled to replicate the success of their rivals. The RB22 exhibited severe balance issues that saw Max Verstappen eliminated in Q2, leaving Isack Hadjar as the highest-placed Red Bull qualifier in P8. This contrasted sharply with the strong performances from Mercedes-powered teams.
Ferrari Seeks Explanation on Mercedes’ MGU-K Exploitation
With Mercedes being Ferrari’s primary rival in both the 2026 Drivers’ and Constructors’ Championships, the Scuderia have raised concerns over how Andrea Kimi Antonelli and George Russell appear to be taking advantage of the MGU-K emergency cut-off to enhance lap times. According to reports from The Race, Ferrari want the FIA to clarify how it is permissible under the current regulations to temporarily deactivate the MGU-K—a system designed for emergency use—to gain extra power at the end of a qualifying lap.
The 2026 F1 technical regulations do permit the MGU-K to be fully turned off at any time. However, doing so triggers a 60-second battery lockout intended to prevent teams from exploiting the system for additional speed during racing conditions. While this safety measure has largely prevented the use of the emergency cut-off during actual races, Ferrari argue that the Japanese Grand Prix revealed how Mercedes and Red Bull could leverage the loophole specifically in qualifying to gain a crucial performance advantage on the final sector.
Although Ferrari acknowledge that Mercedes and Red Bull are not technically breaking the rules as they are written, the team insist that the FIA provide an explanation on why the loophole remains legal and whether it will continue to be allowed in future events.
MGU-K Deployment Advantage in 2026
Mercedes’ ability to manipulate energy deployment has been a defining factor in 2026, allowing the team to maximize the 350kW limit of the MGU-K for longer periods before cutting output to zero. Typically, the MGU-K decreases in 50kW steps with one-second intervals, but Silver Arrows drivers appear able to sustain more power through the end of qualifying laps. This advantage has been a source of frustration for Ferrari, whose smaller turbo allows Lewis Hamilton and Charles Leclerc to achieve strong starts but often leaves them trailing Andrea Kimi Antonelli and George Russell in qualifying.
Ferrari suggest that if the FIA were to close the loophole, it could allow Lewis Hamilton and Charles Leclerc to out-qualify George Russell and Andrea Kimi Antonelli more consistently. Ferrari team principal Fred Vasseur has previously hinted that such regulatory clarifications could dramatically alter the competitive landscape, describing the potential impact as a “different championship” scenario, particularly looking ahead to races like the Miami Grand Prix.
As the 2026 season continues, Ferrari are pressing the FIA for clarity, highlighting how critical engine deployment strategies are in the modern F1 era and emphasizing the need for fairness in qualifying and championship battles.
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