Mercedes' front wing issue was reliability glitch, not trick - FIA satisfied

Mercedes' unusual two-stage front wing movement during the Chinese Grand Prix, which sparked intrigue and questions from rival teams, was caused by a reliability problem rather than a deliberate attempt to exploit regulations, according to FIA findings. The governing body has accepted the team's explanation that a hydraulic pressure issue prevented the wing from returning to its proper position in a single motion.

Why it matters:

In the hyper-competitive world of Formula 1, any unusual car behavior is scrutinized for potential rule-bending. This incident highlights the fine line teams walk with complex hydraulic systems and the constant regulatory vigilance. The FIA's quick resolution, based on Mercedes' cooperative stance to fix the problem, underscores that it was seen as a performance hindrance, not a benefit, preserving the team's competitive integrity.

The Details:

• The issue was captured on video involving Mercedes driver Kimi Antonelli on the main straight at the Shanghai International Circuit.
• His front wing appeared to close in two distinct stages instead of one smooth motion, which seemed to contravene the technical regulation that allows only one transition between corner and straight modes within a 400-millisecond window.
• At least one rival team raised a formal query with the FIA regarding the movement, though Ferrari has denied being the team behind it.
• The investigation revealed the cause was a reliability glitch, likely related to insufficient hydraulic pressure, which failed to return the wing to its full upright position in one go.
• The FIA was satisfied with Mercedes' explanation, particularly because the team was eager to resolve the issue, viewing the erratic wing movement as a performance loss that upset the car's aerodynamic balance before braking.

What's Next:

With the FIA's investigation closed, Mercedes will focus on ensuring the hydraulic reliability of its front wing actuator system to prevent a recurrence. The incident serves as a reminder of how closely teams monitor each other and how potential technical infringements are swiftly addressed. For Mercedes, resolving this glitch is part of the broader effort to optimize performance and eliminate variables as they develop their 2026 car concept.