Matt Dean, chief mechanic for the Mercedes‑AMG Petronas F1 team, answers a range of fan questions about life in Formula 1. He highlights the team’s favorite tools – a low‑profile bit driver for tight spaces, the one‑nut wheel gun that can change a tyre in ~2.2 seconds, and a high‑flow Einhell leaf‑blower used to cool brakes and engines. He shares anecdotes about losing a rubber hammer inside a fuel cell and the scramble to retrieve dropped tools from tight engine bays. On the car‑vs‑driver debate, he stresses that success is a team effort: the car, engineers, factory staff and driver must all work together to gain those final tenths of a second. Becoming an F1 mechanic starts with basic hand‑skill practice (bicycles, go‑karts, college courses), gaining experience in lower formulas, networking, and being ready for the high‑pressure, travel‑intensive garage environment. Mechanics specialize by car section (front/rear, hydraulics, gearbox) and work together during pit stops, which involve ~24 people and are aimed at a flawless 2.2‑second stop. Other topics covered include why drivers overheat despite high speed, why each team builds its own car, how damaged parts are salvaged under the cost cap, the “no‑touching” parc fermé and curfew rules, why F1 cars look alike due to tight regulations, the role of repair costs in the budget, garage cleanliness, and how F1 innovations (hybrid systems, carbon‑fiber, sensors) have trickled down to road cars. He also debunks myths such as the idea that jack‑men are highly paid for only a few seconds of work or that there are separate pit‑stop crews for each driver. Overall, the interview underscores the precision, teamwork, and relentless preparation that keep an F1 team competitive.
1. Matt Dean is the chief mechanic at the Mercedes AMG Petronas Formula 1 team.
2. A bit driver is a super‑low‑profile tool that allows easy bit changes and access to confined spaces on the car.
3. The F1 wheel gun is used to loosen and tighten the single wheel nut on each car.
4. Unlike regular road cars, Formula 1 cars have only one wheel nut per wheel.
5. Using the wheel gun, a mechanic lines it up with the nut, pulls the trigger, changes direction, fits a new wheel, pulls the trigger again to tighten, lifts the gun and presses a button to confirm the nut is tight; the entire process takes less than 2.2 seconds.
6. A leaf blower is employed to cool the engine and brakes when the car enters the pit box, and the team works with Einhell to maximise airflow through brake ducts and radiators.
7. While fitting a Kevlar fuel cell, Matt Dean used a rubber hammer to position the fuel bag and later realised the hammer had been left inside the fuel system after a race.
8. Tools sometimes fall between the V of the engine and the gearbox bell housing, requiring the car to be partially dismantled to retrieve them.
9. Mechanics generally regard the car as more important than the driver, while drivers tend to emphasise their own role; both agree that the car, engineers, factory staff and driver must work together.
10. To become a Formula 1 mechanic, one should learn to use spanners and ratchets, often starting with bicycles, motorbikes or go‑karts, and gain hands‑on experience, including training at colleges such as those at Silverstone.
11. Aspiring mechanics are advised to contact the team directly (e.g., via email) to get noticed and gain opportunities.
12. On race day, mechanics are responsible for strapping drivers such as George Russell into the car on the grid, dealing with pressure, crowds, cameras and travel while working as a team.
13. Some mechanics become upset when their driver crashes, with younger staff tending to react more strongly.
14. After a crash, thousands of factory‑produced parts must be reassembled; repairs often need to be completed quickly, for example after P1 or P2 sessions.
15. The shortest repair window during a race weekend is from the end of P3 to qualifying, lasting about 3 hours.
16. If a major accident requires a car to be repaired in 3 hours, mechanics may be pulled from the other car’s crew; each garage typically has two groups of 15 mechanics.
17. At Monaco, the team once had only two people working on one car while the rest of the crew focused on getting that car ready for qualifying.
18. Formula 1 teams use a variety of hand‑tool brands; beyond standard spanners, torque wrenches and ratchets, they partner with companies such as Einhell for specialised tools.
19. Einhell tools are used for trimming damage, applying fast‑setting glue, and powering fans that cool the chassis and brakes during pit stops.
20. The “no touching the car” rule applies during parc fermé and curfew periods; curfew begins on Wednesday, the car is covered, and team members must stay away from the circuit for roughly 13 hours before returning on Thursday.
21. This curfew rule originated from limited factory support and is intended for safety, preventing overnight work without rest.
22. After qualifying, parc fermé prohibits any work on the car except removing bodywork, inspecting, and changing fluids; altering the car’s setup is not allowed.
23. If a driver incurs a 5‑ or 10‑second penalty at a pit stop, the car must stop on the designated marks, everyone stands still to serve the penalty, and only then may the pit stop be performed.
24. Under the cost‑cap regulations, broken car parts are returned to the factory to be salvaged, remade, or, if impossible, turned into trophies or memorabilia; all such costs count against the cap.
25. Formula 1 cars appear similar because teams copy each other’s designs while operating under very tight, largely unchanged technical regulations over several seasons.
26. Mechanics specialise in areas such as the front end, rear end, hydraulic systems and gearbox systems, while engineers provide instructions on what to do.
27. Each Formula 1 car is attended by approximately 15 mechanics during race events.
28. The decision to call a pit stop is made by strategists: a race‑support‑room strategist at the factory and a track‑based strategist, with the latter consulting the sporting director, who then instructs the chief mechanic to direct the pit‑stop crew.
29. A typical pit stop involves about 24 people: three mechanics per corner (including a gunman who removes the wheel nut, a mechanic who takes off the wheel, and a mechanic who fits the new wheel); the gunman then presses a button to signal completion.
30. Mercedes aims to complete each pit stop in about 2.2 seconds, viewing consistency and correctness as more important than sheer speed.
31. Formula 1 cars feature a front wing, a rear wing, and small winglets on brake ducts and around the car’s sides; a dedicated factory department works only on front and rear wings.
32. Wings generate downforce by managing air pressure to push the car onto the track and by directing airflow around the vehicle.
33. Repair costs resulting from driver errors or on‑track incidents are included in the team’s cost‑cap budget.
34. Historically, mechanics smoked while fuelling cars in the garages; today, such behaviour is prohibited and garages are kept extremely clean and organised.
35. Garages only become visibly dirty or chaotic after an accident, when debris, gravel and broken components (e.g., suspension sensors, brake ducts) are brought back and must be cleared before rebuilding.
36. Technologies first developed for Formula 1—such as advanced software, sensor arrays, energy‑recovery (hybrid) systems, and carbon‑fibre construction—are now found in many road cars.
37. The claim that the front‑jack operator is one of the highest‑paid jobs because they work only three seconds on a Sunday is false; mechanics prepare the car from Tuesday through race day.
38. The idea that there are separate pit‑stop crews for each driver is false; all mechanics from both cars work together on the same vehicle during a Sunday pit stop.