Mercedes technical director James Allison has revealed when the Brackley outfit plans on introducing its first big upgrade of the 2025 Formula 1 season.

2026 will welcome a new era of regulations in F1. So, teams are forced to split their resources this year to develop the current cars and look ahead to next year to develop for the new regulations. Allison explained to Motorsport.com and other media in Bahrain that a "good chunk of their effort" will be working on the 2026 car.

"I think any team that has got a bit of common sense will still be putting a good chunk of their effort towards the future because the 2026 rules are such a tear-up from these ones," he commented.

"These ones have just got 21 races left to go, and then they're done. We're trying to push as much as we can onto th

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