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SLM replaces the old Drag Reduction System (DRS).
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Both the rear and front wings now open in SLM to reduce drag on straights, while Overtake Mode uses battery power to aid passing.
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Russell and Leclerc engaged in intense lead swaps early in the race, highlighting how critical the system is in wheel-to-wheel battles.
Russell’s Concern
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The front wing drops too aggressively in SLM.
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When following closely in a slipstream, Russell experienced understeer, making the car feel like the front wing wasn’t generating enough grip.
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He flagged this as a safety issue, suggesting that moderating the front wing’s movement would make racing safer without any performance downside.
“When we open Straight Mode we will have lots of understeer, and when I was behind Charles and I was trying to duck out of his slipstream it was like my front wing wasn’t working. So I think from a safety aspect that would make the racing safer, better. I don’t see a downside of doing it.”
Other Drivers’ Feedback
- Carlos Sainz (Williams) also criticized SLM, calling it “dangerous” and a temporary fix for energy deployment limitations.
Next Steps
- FIA, Formula 1, and the GPDA will review SLM before the next race in China, potentially making adjustments to improve both safety and drivability.