George Russell will start Singapore from the back after taking a power unit penalty following his Malaysia DNF. His fourth PU of the season expired in the closing laps, forcing Mercedes to install a fifth and trigger the grid drop. The timing stings: Russell sits 84 points behind teammate Kimi Antonelli with his title bid effectively over.

Toto Wolff called it "particularly frustrating given the way he drove last weekend and the result he deserved to be fighting for." Russell showed pace in Malaysia before the engine let go, and now he'll spend Sunday clawing through traffic on F1's least overtake-friendly layout.

Singapore's tight street circuit, low grip, and dust make passing nearly impossible. With a sprint session offering limited setup time and track evolution, Russell faces a pure damage-limitation exercise. Mercedes needs both cars scoring to stay in the constructors fight—one starting last won't help.

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