As the pit lane lights blink green at Marina Bay, the Mercedes garage will showcase two vastly different car specifications on their pit walls. The Brackley-based squad has made a crucial strategic decision to split the W17 car specifications for the Singapore Grand Prix weekend. George Russell will revert to the pre-Sepang package, while his teammate Kimi Antonelli retains the team's latest bodywork and floor updates.
This bold move follows a revised floor and bodywork package introduced at Sepang, which featured modified floorboards and a ramped upper sidepod surface designed to increase high-speed downforce. However, extreme track temperatures and rough tarmac left the team struggling to understand the car's true mechanical and aerodynamic balance.
With a power unit penalty sending him to the back of the starting grid in Singapore, George Russell viewed the split configuration as an obvious and necessary step. According to Motorsport Week, the British driver revealed that he actually instigated the conversation regarding the setup split prior to the race weekend.

"Actually I instigated the conversation prior to the race on Sunday," George Russell revealed in Singapore. "When the failure happened it was kind of a no-brainer, because we were kind of 50-50 about it pre-race, and I was more in favour to do it, and that was even pre-race, whereas now it is a total no-brainer."
The British driver emphasized that telemetry data showed no warning signs that the upgrade fundamentally failed. He pointed to strong performances in Baku, Budapest, and Zandvoort, arguing that the massive fluctuations witnessed in Malaysia were entirely specific to the unique asphalt and high thermal degradation encountered at Sepang.
Meanwhile, championship leader Kimi Antonelli will commit fully to the upgraded package throughout the weekend, remaining confident that Sepang was merely an outlier caused by extreme track conditions where tarmac temperatures exceeded 60 degrees Celsius.
"The numbers told us a different story in Sepang, but I think in Sepang, it was a bit of an outlier because the tarmac was just so rough. Actually, in some corners, we were missing tarmac," Kimi Antonelli explained. With two different cars running distinct packages, the team now faces a fascinating direct comparison on the low-speed layout of Marina Bay.



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