Look, when a driver controls the opening stint on intermediate tyres and builds a seven-second gap right off the start against the likes of Lando Norris, you expect a coronation. According to Motorsport.com Italia, that is precisely what Andrea Kimi Antonelli was doing before a late pit stop for dry tyres completely derailed his race. The Mercedes star had been untouchable in dry Friday practice across both single-lap pace and long runs, and he looked equally menacing when the rain arrived. Yet the switch to slicks turned everything upside down.
Everything unravelled around the twentieth lap. Lando Norris, driving for McLaren, had cleverly anticipated his pit stop to chip away at the Italian's seven-second advantage. But the true disaster struck at turn one, where Antonelli went straight on and spun his W17 into a spin before recovering to rejoin in second place. Even without the mistake, the writing was on the wall; Norris checked out in front, and Antonelli was promptly swallowed up by the Red Bull machines of Isack Hadjar and Max Verstappen.
While the pit wall chalked the sudden lack of pace up to simple tyre warm-up struggles, the driver himself suspected something mechanical. Antonelli felt the car pulling aggressively to one side even down the straights, completely stripping him of any competitiveness through left-handers. That bizarre handling asymmetry at Interlagos cost him precious seconds and ultimately blew a victory that looked firmly within his grasp. He later finished in fifth position after swapping places with his teammate, George Russell.
“I am very disappointed for the race. To be honest I am very angry, but I will put that aside for now because the team won the title,” Antonelli said after the race, with Mercedes having clinched the constructors' championship three rounds early. The team had largely dominated the season prior to the summer break, bringing plenty of joy to the garage despite the driver's personal frustrations.
The core of the mystery, however, lies in how abruptly the machine's balance vanished between the intermediate compound and the slick tyres. Antonelli confessed there was zero warning before the rear axle snapped away. “I was in contention for the victory until that point. Even in the lead, once I managed to get [the tyres] up to temperature, I was getting into a rhythm. On the spin I still need to reflect because I don't know why I lost the rear so quickly,” he admitted.
He pushed further, pointing out that the anomaly plagued him specifically in high-speed left-hand corners on the counter-clockwise Brazilian circuit. The heavy flat spots from his spin ruined those tyres entirely, though his pace recovered somewhat once a second set of softs was bolted on, allowing him to claw his way back toward Hadjar before the flag.
“We need to check something in the geometry of the car, of the rear, because I encountered this problem only in the left corners. So especially in the high speed it was when I felt it the most. And the rear felt very unstable, even arriving at the finish line in the left corner, the rear was very strange,” Antonelli concluded. For a machine that felt so alive on Friday, finding out what broke inside that rear end is now the garage's most urgent puzzle.
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