What Happens Inside an F1 Factory During Summer Shutdown?

Formula 1 teams must stop developing their cars during the mandatory summer shutdown, but factories remain busy with maintenance and long-term projects.

Every Formula 1 season includes a mandatory summer shutdown, forcing teams to pause development of their race cars for 14 consecutive days. While fans often imagine factories sitting completely empty, the reality is very different.

Although engineers are prohibited from working on car performance, teams use this unique window to complete essential maintenance, facility upgrades, and long-term operational projects before the championship resumes.

F1 Development Comes to a Complete Stop

Under the FIA Sporting Regulations, every Formula 1 team must observe a 14-day factory shutdown during July or August.

During this period, teams cannot perform any activities related to car performance, including:

• Car design and engineering
• Wind tunnel testing
• CFD simulations
• Performance meetings
• Technical discussions by phone or email
• Manufacturing new performance parts

Breaking these rules can lead to penalties from the FIA.

Many teams begin their shutdown immediately after completing post-Hungary activities such as Pirelli tire tests, filming days, or TPC sessions before closing their facilities.

Formula 1 teams must suspend all performance development during the mandatory summer shutdown.

Factories Don’t Actually Stand Still

Although race car development stops, the factories remain active behind the scenes.

According to Mercedes Chief Operating Officer Rob Thomas, around 95% of employees take their holidays, while contractors move into the facilities to complete work that cannot normally be carried out during the busy racing season.

Typical projects include:

• Replacing production machinery
• Servicing manufacturing equipment
• Upgrading electrical systems
• Inspecting heating and air-conditioning systems
• Repainting workshop floors
• Completing building renovations

These improvements help prepare the factory for the second half of the championship.

The shutdown allows teams to modernize factories and service critical equipment.

Some Departments Keep Working

Not every department is affected by the shutdown.

Commercial, finance, marketing, and construction teams are allowed to continue working because their activities are unrelated to vehicle performance.

The FIA relies heavily on teams respecting the regulations, although the constant movement of personnel between organizations also helps discourage rule violations.

Once the two-week shutdown ends, Formula 1 factories immediately return to full operation as teams prepare new upgrades and production schedules for the remainder of the season.

Commercial and facility operations continue while technical development remains frozen.