Lewis Hamilton’s challenging Austrian Grand Prix was made even more complicated after Ferrari was forced to intervene during the race to protect the SF-26 from an overheating issue. While the seven-time Formula 1 world champion was already battling tyre degradation and a lack of overall pace, a separate technical concern required the team to temporarily reduce the car’s performance in an effort to prevent further problems.
The incident occurred during the middle phase of the race, when Ferrari instructed Lewis Hamilton over team radio to activate a special operating mode designed to reduce temperatures inside the car’s hybrid system. The request immediately caught the British driver by surprise, as he believed he was already running with limited power output at that stage of the Grand Prix.
Ferrari temporarily reduces performance to protect the SF-26
During the race, Lewis Hamilton questioned the need to switch to the TS management mode after pointing out that the car was already operating with reduced power. Ferrari nevertheless insisted on the change, prioritising reliability over outright performance as temperatures continued to rise.
The decision inevitably cost valuable lap time, but protecting the car became the team’s primary objective. With Ferrari already struggling to match the pace of Mercedes, McLaren and Red Bull, any additional loss of performance further complicated the Briton’s efforts to fight for a stronger finishing position.
Overheating issue traced to Ferrari’s battery system
Further details emerged after the race regarding the nature of the problem. According to information shared during Sky Sports F1’s coverage, the issue was not related to Ferrari’s latest power unit upgrade itself but rather to excessive temperatures affecting the battery within the hybrid system.
To prevent the situation from worsening, Ferrari used the TS mode to lower operating temperatures and allow the battery to return to a safe working window. Once the system had cooled sufficiently, Lewis Hamilton was authorised to return to the standard race mode and once again utilise the full performance available from the SF-26.
The episode underlined how modern Formula 1 performance depends not only on outright engine power but also on the efficient management of increasingly sophisticated hybrid systems. Even relatively small temperature fluctuations can force teams to sacrifice performance in order to protect critical components and ensure reliability over an entire Grand Prix distance.
Lewis Hamilton recovered strongly during the closing laps
After Ferrari successfully brought the battery temperatures back under control, Lewis Hamilton was able to increase his pace once again during the closing stages of the race. The improvement allowed the British driver to begin reducing the gap to Oscar Piastri, at one stage closing to within approximately one second of the McLaren.
Although Lewis Hamilton ultimately remained in fifth place at the chequered flag, the late improvement demonstrated that the SF-26 still had more performance available once the overheating issue had been resolved. However, the earlier period of power management had already compromised his race, making it extremely difficult to recover the lost ground.
Combined with Ferrari’s tyre degradation, rear-end balance problems and overall lack of straight-line speed throughout the Austrian Grand Prix, the temporary battery overheating issue added another layer of complexity to an already frustrating afternoon for both Lewis Hamilton and Charles Leclerc. As Ferrari now prepares for the British Grand Prix at Silverstone, understanding and eliminating these reliability concerns will become another important priority alongside improving the SF-26’s overall race pace.
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