Mercedes W17 Shakedown: Russell Praises New Power Unit at Silverstone

Mercedes kicked off its 2026 campaign with a filming day at Silverstone, running the new W17 for 67 laps in wet conditions. George Russell and rookie Kimi Antonelli shared driving duties, with Russell notably highlighting the distinct and impressive sound of the new power unit amidst rumors of a potential regulatory loophole boosting performance.

Why it matters:

The 2026 regulations represent a massive shift for Formula 1, and early track time is vital for validating simulation data. Russell's positive feedback on the power unit, combined with reports suggesting Mercedes may have exploited a compression ratio loophole, signals that the Silver Arrows could be in a strong position to challenge Red Bull immediately.

The Details:

• Track Performance: The team completed 67 laps at Silverstone under filming day restrictions. Andrew Shovlin described it as a "sensible first day" focused on safety and reliability.
• Driver Reactions: Russell called the experience "mega," noting the engine sounds "different" than expected after years of development. Antonelli expressed gratitude to the Brackley and Brixworth factories for their work.
• Technical Edge: Reports suggest Mercedes and Red Bull Ford may have found a way to increase engine compression ratios during competition beyond the mandated 16:1 ambient limit. This could yield a significant power gain, potentially worth four-tenths of a second per lap.

What's next:

The W17 will head to Barcelona next week for a closed-doors test from January 26-30, where teams are limited to three days of running. Further pre-season tests are scheduled in Bahrain in February before the season opener in Australia on March 8.