McLaren Unveils 2026 Engine Sound as Mercedes Becomes F1’s Sole Supplier
McLaren debuted the sound of its 2026 power unit, confirming its ongoing Mercedes partnership, while Mercedes will serve as the exclusive supplier of F1's safety and medical cars from 2026 after Aston Martin’s withdrawal.
McLaren released the sound of its 2026 engine, confirming its continued Mercedes partnership. Mercedes will also become the exclusive supplier of the F1 safety and medical cars from 2026, after Aston Martin stepped away.
Why it matters
McLaren’s engine sound shows the team is on track with the 2026 power‑unit specifications, helping engineers fine‑tune performance. A single Mercedes supplier simplifies power‑unit reliability and cost‑cap compliance across the grid. Aston Martin’s exit removes a source of safety‑car criticism that drivers such as Verstappen have raised.
The details
- McLaren posted a short video of its 2026 engine firing, with team principal Andrea Stella featured.
- The team stays with Mercedes power units, the same that delivered back‑to‑back titles in 2024‑25.
- The engine’s higher‑pitched whine reflects hybrid tweaks required by 2026 regulations.
- Mercedes will supply both the safety and medical cars from 2026, taking over from Aston Martin, which is exiting the role.
What's next
With the season looming, McLaren will fit the new power unit into its 2026 chassis ahead of the official launch, seeking to turn the engine’s tone into on‑track speed. Mercedes’ sole‑supplier role will be tested in pre‑season tests, where teams will first see the new safety and medical cars. The changes could tighten the field once the new rules kick in.