What happened: Mercedes clinched the Formula 1 Constructors' Championship at the São Paulo Grand Prix, securing the team's ninth crown. The achievement marks the ninth title under team principal Toto Wolff. The title draws Wolff level with Sir Frank Williams for the most constructors' championships won by an F1 team boss.

Why it matters: The triumph marks Mercedes' return to the summit of the constructors' standings for the first time since 2021. Matching Williams' benchmark of nine titles cements Toto Wolff among the most decorated team leaders in Formula 1 history.

What to watch: Mercedes heads into the final stretch of the 2026 calendar having locked up the constructors' championship.