Mercedes' front wing activation that caught attention at the Chinese Grand Prix was a reliability issue rather than a deliberate exploit, according to sources. Footage showed Kimi Antonelli's wing appearing to close in two stages on the straight, raising questions among rival teams about potential rule violations.

F1 regulations allow only two wing positions with a 400-millisecond transition window. Antonelli's wing seemed to change stance twice, prompting an unnamed team to raise the matter with the FIA. Ferrari denied being behind the query, while speculation grew about whether Mercedes was gaining an unfair advantage.

Sources indicate the phenomenon resulted from hydraulic pressure problems causing the wing to revert to its upward position unexpectedly. The FIA accepted Mercedes' explanation and noted the team's eagerness to fix the issue, suggesting they viewed it as a performance drain rather than a benefit. The unexpected wing movement disrupts the car's aerodynamic balance before braking zones, potentially costing valuable time.