How much lap time Mercedes will lose after the FIA banned their engine trick

The impact of the FIA’s engine trick ban

The Formula 1 landscape has shifted following the FIA’s decision to prohibit a specific engine mode previously utilized by Mercedes and Red Bull during qualifying sessions. The controversy centers on the MGU-K’s emergency cut-off, a feature originally intended for safety protocols that was repurposed to extract additional performance at the conclusion of a qualifying lap.

Quantifying the performance loss

This assessment is supported by F1 journalist Jon Noble, who noted on The Race podcast that the gain was minimal. “I don’t think anyone will miss it, there was a minimal gain,” Noble stated. “We spoke to a manufacturer in Japan, and they said it was worth three hundredths of a second.”

While three hundredths of a second may seem inconsequential to the casual observer, the fine margins of Formula 1 mean such gains are highly valued. Noble added, “It doesn’t sound like a lot, but F1 teams run on hundredths of a second; it can make an awful lot of difference.”

A leveling playing field?

The decision to ban the mode prevents a potential arms race, as other manufacturers were reportedly attempting to replicate the system. “I think we would’ve gone into a scenario where others would’ve been forced to copy it,” Noble explained. “We know one manufacturer was looking to do it but couldn’t get it to work.”

With this specific advantage now removed, attention turns to whether rivals such as Ferrari and McLaren can capitalize and challenge the Silver Arrows for race victories. The upcoming Miami Grand Prix will serve as the first true test to determine the real-world impact of the FIA’s ruling and whether it will alter the competitive balance of the season.