What happened: Andrea Stella said performance struggles at Silverstone have left substantial issues to discuss with Mercedes HPP. Energy deployment and access to technical information have remained points of concern during the 2026 season.
Why it matters: The concerns highlight the competitive tension between Mercedes and its power-unit customers under the new regulations. Mercedes' pace at Silverstone has sharpened scrutiny of whether customer operations receive enough information to optimize deployment.
By the numbers: Mercedes secured pole for the British Grand Prix with a 1:28.111 lap. It also won Saturday's Sprint and will start Sunday's race from first on the grid.
What to watch: Attention turns to whether the power-unit discussions produce technical clarity and improved race performance.