It is a circuit that provides a good test of a car, with a mixture of low, medium, and high-speed corners. That will be useful for assessing our recent updates and our position relative to our competitors as we move into the second third of the season.
Toto Wolff
Mercedes boss
Key Facts
- Mercedes endured two poor weekends at Imola and Monaco in the 2025 Formula 1 season, impacting their performance momentum.

- Mercedes currently holds second place in the 2025 constructors' championship, trailing McLaren by 172 points.

- Mercedes plans to test their latest W16 upgrades at the Spanish Grand Prix in Barcelona, a circuit renowned as the best venue for performance testing in Formula 1.

- Barcelona’s Circuit de Catalunya features a mixture of low, medium, and high-speed corners, making it ideal for evaluating the W16’s pace and recent updates.

Key Stats at a Glance
Points gap between Mercedes and McLaren in 2025 constructors' championship
172 points