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Home » Mercedes and Ferrari face manipulation allegations over FIA engine ruling

Mercedes and Ferrari face manipulation allegations over FIA engine ruling. Fresh allegations suggest Mercedes and Ferrari deliberately detuned their 2026 F1 power units.

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The political landscape of the 2026 Formula 1 championship has been thrown into complete chaos following explosive allegations aimed at the grid’s top two teams. Industry insiders have accused both Mercedes and Ferrari of intentionally detuning their respective power units during the opening rounds of the season. The alleged goal behind this tactical sandbagging was to manipulate the sport’s governing body into granting them performance waivers through the controversial Automated Downforce Update Optimization (ADUO) framework.

The timing of these allegations adds heavy intrigue to an already tense 2026 paddock. Up until this point, the Brackley-based Mercedes squad has absolutely dominated the competitive order, sweeping every single Grand Prix victory available and opening up a massive 79-point lead over the Scuderia in the constructors’ standings. Given their clear on-track supremacy, most paddock observers and technical analysts naturally assumed that the Silver Arrows would be completely disqualified from receiving any assistance from the FIA’s equalization mechanism.

In fact, the early consensus among commentators was that the system would penalize success. High-profile pundits like Naomi Schiff had previously argued that if the FIA were to hand downforce upgrades to rivals, it would fundamentally compromise the legitimate engineering triumphs and hard work achieved by the championship leaders. However, the initial regulatory verdict delivered a massive shock to the system by designating Red Bull Racing as the standard-setting engine benchmark, effectively making Mercedes eligible for aerodynamic assistance.

The technical loopholes behind the surprise ADUO benchmark

The fuse for this massive paddock scandal was initially lit during the Monaco Grand Prix weekend, when seven-time world champion Lewis Hamilton inadvertently leaked the confidential findings of the assessment. The revelation sent shockwaves through the pit lane, leaving rival teams utterly baffled as to how a struggling Red Bull RB22 could be mathematically classified as the grid’s most potent machine while Lewis Hamilton and his garage cruised to comfortable victories.

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The answer to this riddle lies deep within the complex technical regulations governing the 2026 power units. Crucially, the equalization process does not evaluate the total combined output of the hybrid system; instead, it isolates the horsepower generated strictly by the internal combustion engine (ICE). This regulatory distinction explains the disparity, suggesting that while the Milton Keynes squad may possess the most efficient thermal combustion infrastructure, Mercedes comfortably overcomes any deficit via superior electrical deployment and energy harvesting capabilities.

However, respected Formula 1 journalist Mark Hughes has put forward a far more cynical theory, suggesting that the performance metrics were actively gamified. Speaking in detail on The Race F1 Podcast, Hughes outlined a scenario where engineers at both Mercedes and Ferrari carefully mapped their power units to deliver sub-optimal ICE performance throughout the flyaway events leading up to the Canadian Grand Prix, specifically tailoring their telemetry to exploit the FIA’s measurement window.

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Engine tracking data reveals hidden deficits to Red Bull

According to the tracking data discussed on the podcast, the strategic calculations indicate that the Mercedes internal combustion engine is currently operating roughly 2% behind the baseline performance of the Red Bull powertrain, while the Ferrari power unit sits 4% adrift. Hughes explained that the entire situation remains incredibly opaque, forcing everyone in the media to piece together fragmented pieces of information from various garage sources.

The veteran technical analyst noted that if he had to wager his home on the underlying cause of this astonishing regulatory outcome, he would firmly point to deliberate performance management from the dual manufacturers. He elaborated that by hiding their true potential during the initial sequence of races, they successfully engineered a false competitive picture to ensure they fell backward into the safety net of the sport’s equalization parameters.

Furthermore, Hughes pointed out that this artificial picture has been further distorted by the severe drivability and software integration issues currently plaguing the Red Bull hybrid system. He clarified that while the Red Bull engine might technically register the highest absolute power curve on the FIA’s specialized measuring sensors when running at its peak, its real-world delivery on the racetrack remains deeply flawed. Ultimately, the consensus is that the intense pressure of the 2026 title race has driven both Lewis Hamilton’s team and Charles Leclerc’s garage to engage in high-stakes political gaming, setting up a massive off-track battle that could completely alter the development trajectory of the championship.

Jun 18, 2026Luca Marini
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Comments: 1
  1. Murray Walker
    3 months ago

    You really need to pay more attention –

    “Red Bull Racing as the standard-setting engine benchmark, effectively making Mercedes eligible for aerodynamic assistance.”

    ADUO only permits changes to the holomogated engine – Aerodynamics has nothing to do with this, meaning teams are not granted additional wind tunnel and computational analysis time as part of the ADUO.

    Now, whilst i have a great deal of respect for Mark Hughes, he does point out that this is all speculation given by the lack of information available to journalists. As Andrea Stella pointed out, all the manufacturers agreed to the way these measurements were conducted, with the ICE being the only reference source for what would allow changes to both the ICE and Electrical components of the engine.

    Further, Peak horsepower isn’t king in this engine era – Efficiency plays a more important role. Just as Ferrari opted for smaller turbos to gain an advantage off the line, it would be foolish to believe that the thought of sacrificing Peak HP for greater efficiency hadn’t crossed the engineers minds.

    While the theory is possible, it reality there are far better reasons, grounded in good engineering practices, which might be provide a better explanation. Case in point – Ferrari’s FTM would certainly create greater back pressure than a free flowing exhaust, this would most certainly reduce engine output, yet it was adopted for better downforce performance. Should this be considered manipulation for the purpose of ADUO or is it just another of the technical tradeoffs seen regularly in F1?

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Luca Marini

Luca Marini is a ScuderiaFans editorial byline covering Ferrari’s technical developments, car upgrades and Formula 1 regulations. His articles explain how these changes may influence performance on track.

3 months ago 1 Comment News2026 Formula 1 season, FIA, Mercedes, Scuderia Ferrari168
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