Wolff reveals the split-second call that handed Antonelli Hamilton's Mercedes seat

Toto Wolff has revealed that the moment Lewis Hamilton confirmed his switch to Ferrari, he instinctively knew Andrea Kimi Antonelli would inherit the Mercedes seat — a decision made in seconds that culminated in Antonelli clinching the 2026 World Drivers’ Championship at the Mexico City Grand Prix.

“When Lewis came to my house that morning, I obviously knew what was happening,” Wolff said during his post-race media duties in Mexico City. “The moment he confirmed that he was going to Ferrari, it was instinctively I knew that Kimi is going to go in the car.”

The Mercedes team principal’s certainty was not immediately shared by his own leadership team. Wolff recalled phoning sporting director Bradley Lord and technical chief James Allison to deliver the news, only to be met with disbelief. “I called Bradley and James Allison, and I said, ‘Kimi’s in the car,’ and they said, ‘What are you even talking about?’” Wolff laughed.

For outside observers, promoting a teenager directly into a factory Silver Arrow seat — before Antonelli had even fully established himself in Formula 2 — looked like a significant gamble. Wolff, however, framed it as a calculated risk whose downside he considered manageable. The justification, he said, was already sitting in the team’s internal data.

“We had the data,” Wolff explained. “There was no confirmation needed anymore. He confirmed it by his success in cars in F4 and in Regional. The rest was just clear. It never seemed to be a risk for me. Go for it. Undercut.”

Wolff had tracked Antonelli’s progress through the Formula 4 and Formula Regional categories and concluded that further seasoning in traditional junior formulae would simply be time wasted on a talent already operating beyond those levels.

Asked when he first sensed Antonelli was on course for the title, Wolff resisted pinpointing a single race, instead pointing to a dominant mid-season run. “I’m so bad at remembering which race did I think he’s going to do it. I think there was no particular moment,” he admitted. “It’s just when he was able to put race weekend after race weekend… I think how many consecutive races did he win, four? Five. Five.”

Antonelli’s championship arrival draws a direct line back to one of the most seismic moments in recent Formula 1 history — Hamilton’s shock departure for Ferrari — and to a phone call Wolff made before the paddock had fully processed the news.