Mercedes has admitted that hesitating too long before deciding to swap its drivers in last weekend's Mexico City GP cost the team dearly.
The delay in swapping George Russell and Andrea Kimi Antonelli meant that both drivers missed out on a stronger finish. Russell had urged the pit wall to let him through to chase down Haas' Oliver Bearman, while Antonelli was managing his tyres for a potential one-stop strategy.
It was a really tricky situation
said Bradley Lord, Mercedes' communications chief, in the team's post-race debrief. By the time the Mercedes pitwall gave the green light, the moment - and Russell's tyre life - had already slipped away.
Author's summary: Mercedes' slow driver swap decision hurt their Mexico City GP finish.