Russell faces 10-place Singapore grid drop after power unit failure ends Malaysian race

George Russell will start the Singapore Grand Prix from at least 10 places below his qualifying position after a power unit failure ended his race at the Malaysian Grand Prix in Sepang, leaving Mercedes with no choice but to fit a fifth engine of the 2026 season at Marina Bay.

The British driver had been running third under the safety car with five laps remaining when he was forced to pull over at the Turn 1 entry following a sudden failure. Having already used four power units this season, any further change triggers an automatic 10-place grid penalty under Formula 1 regulations — and that is precisely what will be applied this weekend, according to a report by The Athletic.

The timing is particularly damaging. Singapore’s Marina Bay Street Circuit is one of the hardest circuits on the calendar for overtaking, meaning starting deep in the field significantly reduces Russell’s chances of a strong points haul. He heads into the weekend 84 points behind championship leader and Mercedes team-mate Kimi Antonelli, a deficit that leaves him with little room for further setbacks.

Mercedes had been hoping to delay the inevitable penalty until the United States Grand Prix in Austin, the race after Singapore, where it also planned to introduce an upgraded power unit under the new Additional Upgrades and Opportunities System (ADUO) introduced for 2026. The team has been granted one upgrade token under that framework and had intended to absorb the grid drop on the same weekend the new specification was fitted. With the Sepang failure forcing the issue early, Russell may now miss out on the upgraded unit entirely.

Mercedes deputy team principal Bradley Lord acknowledged the dilemma after the Malaysian race. “He came on the radio behind the safety car and said ‘PU’s starting to sound funny’,” Lord said. “We saw sensors then misbehaving and it was clear we had to pull the car over and we’d had a failure of some sort. Still need to understand what it means for his pool because he’s not rich in low-mileage power units either. So that may mean we need to alter what had been our previous plan.”

Reliability has been a recurring issue for Mercedes despite an otherwise dominant 2026 campaign. Antonelli suffered an engine failure late in the Barcelona race, while a power unit problem also forced Russell to retire from the lead in Montreal — a scenario that mirrored his exit in Sepang. Antonelli himself took a similar grid penalty at Monza in September, yet recovered to win his home Italian Grand Prix from 19th on the grid, overtaking Russell on his way to victory — a result that underlined both the scale of the challenge Russell faces and the pace advantage the Silver Arrows currently hold over the rest of the field.