George Russell in the Mercedes W16 at the 2025 Italian Grand Prix. Photo: Eustace Bagge via Wikimedia Commons (CC BY 4.0)
George Russell has heard the title arithmetic enough times. Kimi Antonelli leads him 365 points to 242 with 125 still available, and a ninth-place finish in Mexico City is enough to end the argument whatever Russell does. The number that deserves more attention sits on the other side of Russell’s ledger: Lewis Hamilton is one point behind him in the drivers’ standings, with Max Verstappen six back and Charles Leclerc nine.
Here is the argument. Toto Wolff’s explanation for Russell’s slump is a fair account of the car, but the longer the problem stays unsolved, the less it is a title story and the more it becomes a question about whether Mercedes can protect the one prize its second driver still controls. Mercedes has a championship-winning car. On Wolff’s own description it also has a car with a narrow operating window, and one of its two drivers keeps ending up outside it.
What Wolff actually said
After the United States Grand Prix, Wolff said Russell was struggling to find the operating window of the W17, that the recent upgrade package was hard to drive, and that Q3 had not worked for Russell in Austin. He took responsibility for that, called the priority widening the window, and rejected the idea that Russell is meaningfully slower than Antonelli. That is Wolff’s account, and it is a reasonable one for a team principal to give in public.
The result was less forgiving. Russell started sixth and finished eighth after a five-second penalty for leaving the track and gaining an advantage on Oscar Piastri on lap one, which he served at his only stop. He said afterwards he had no explanation for the drop-off. Antonelli won, taking his ninth victory of the season, in a one-stop win that still left the title to be settled in Mexico.
Same car, two very different seasons
A narrow window is a design trait, and design traits tend to have a winner. Antonelli leads Russell 11-7 in qualifying and 13-5 in races this year, and Russell has retired three times to his team-mate’s once. Wolff may be right that the gap is mostly the car’s fault. But a car that gives one driver nine wins and the other a search for answers is, in practical terms, a car that suits one of them. Whether that is an engineering problem, a set-up problem or a confidence problem is Mercedes’ to diagnose. What the points say is that the cost is already showing.
Look at the trend. On September 30, with eight rounds left, Antonelli led Russell by 66 points, 302 to 236. Three rounds later it is 123. In that stretch Antonelli added 63 points and Russell added six. Back in mid-September, Wolff told Russell to ignore the gap until it was mathematically out of reach. It has now stopped being a gap anyone can ignore, and the second-place fight is the one that is still live.
Why Mexico City is a real test
Mexico gives Mercedes a chance to find out whether the problem is the car or the circuit-by-circuit fit. The Autódromo Hermanos Rodríguez sits at 2,200 metres, the highest track on the calendar. Thin air cuts downforce and strains cooling, so teams run their highest-downforce wings and still end up with a car that behaves like a low-drag one. A track that rewrites the aero balance can move where a car’s window sits, for better or worse, and Mercedes cannot know which until Friday. It is also the round where Antonelli’s 123-point lead can become a title.
If Antonelli finishes ninth or higher, Russell’s title hopes end on Sunday. The fight only runs on to São Paulo if Antonelli finishes tenth or lower and Russell wins, which is a lot to ask of a driver who finished eighth last time out. Russell’s realistic job is the one in front of him: stay ahead of a five-car scramble that runs from 242 points down to Leclerc’s 233, with Norris on 211. Second place is no consolation for a driver chasing a title, but it is a real result, and a wider window is how Mercedes protects it.
Antonelli’s run is already rewriting Italy’s 73-year wait for an F1 champion. The mirror image is the driver in the other Mercedes, who now has to treat second place as the target. How quickly Wolff’s team widens that window over the next five rounds will show how much it has learned from the W17 before 2027.
Lead image: George Russell in the Mercedes W16 at the 2025 Italian Grand Prix. Photo: Eustace Bagge via Wikimedia Commons (CC BY 4.0)
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