Toto Wolff reflected on a bittersweet qualifying session for Mercedes at Spa, as Kimi Antonelli stormed to his sixth pole position of the season in dominant fashion, while George Russell continued to struggle with the straight-line speed issues that have plagued him for the past few races. Speaking to Sky Sports after qualifying, Wolff admitted Antonelli's first Q3 lap had not looked particularly convincing due to tyre overheating, which cost him performance early in the run. However, as track temperatures gradually dropped, the Italian steadily improved and ultimately delivered a dominant lap to secure pole position.
"At the beginning that first lap (in Q3) wasn't exhilarating at all because of overheating the tyres. It was like 'where's all that gap gone?' Then slowly but surely (Antonelli) kept coming back, track temperatures lowered a bit and then at the end it was dominant.
Shifting his focus to Sunday's race, the Austrian admitted it is difficult to predict how things will unfold, pointing out that while starting from pole is an advantage on Saturday, it could leave the polesitter vulnerable on the long run to Eau Rouge at the start of the race.
"Very difficult to predict. On pole here is great for Saturday but I'm not sure I'd want to be on pole going through Eau Rouge for the first time. They're going to be breathing up his neck.
Finally, regarding the straight-line deficit experienced by Russell, Wolff said the team still needed to identify the root cause. While some time was being lost through the corners, he explained that the bigger concern was the lack of speed on the straights, an issue Mercedes had yet to fully understand. He added that the priority would now be ensuring both cars were capable of fighting at the front.
"With George, we need to find out (what the issue was). There are some losses in the corners but there are also quite some losses on the straights and we have been trying to find out what that is and couldn't up until now. So the main topic is going to be to have two cars that are able to drive in front."
Frustrated Russell still baffled by lingering issue: 'It feels pretty rubbish'
Speaking after qualifying,
Russell revealed that Mercedes had made some progress in reducing the straight-line speed deficit, but stressed that a significant issue was still affecting his car. He explained that the team had already ruled out several possible causes, including the brakes and his driving style, and was now convinced the problem lay elsewhere, with engineers continuing to work hard to identify the source.
Despite the ongoing issue, Russell said he was very satisfied with his qualifying lap and believed it would have been good enough to challenge for the front row under normal circumstances. Instead, he explained that almost all of the team's focus over the previous 36 hours had gone into investigating the straight-line losses rather than refining the car's setup.
He added that it was particularly frustrating to see speed dropping even while travelling flat out on the straights, admitting the issue left him feeling powerless behind the wheel. While he did not believe the power unit itself was responsible, Russell said something was clearly holding the car back on the straights, with Mercedes fully committed to finding a solution.