1955 Le Mans Disaster
The deadliest event in motorsport history, the 1955 Le Mans disaster claimed 82–84 lives and led to widespread motorsport bans.
On 11 June 1955, a multi-vehicle collision occurred during the 1955 24 Hours of Le Mans in Sarthe, France, resulting in the deaths of an estimated 82 to 84 people. The disaster occurred at the Circuit de la Sarthe, when a mid-race collision sent Mercedes driver Pierre Levegh and his car into a spectator arena, causing his car to disintegrate and throwing him onto the racetrack, killing him instantly. Debris from the car and the arena flew into the crowd, killing at least 82 people. The disaster is the deadliest event in motorsport history, prompting multiple European countries to ban motorsports entirely; Switzerland did not officially lift its ban until 2026.
Quick Facts
- Primary vehicles involved
- Mercedes-Benz 300 SLR (W196S) and Austin-Healey 100S
Lore & Background
There was much debate over blame for the disaster. The official inquiry held none of the drivers specifically responsible, but criticized the layout of the 30-year-old track, which had not been designed for cars as fast as those involved in the crash. Before the crash, there was great anticipation for the 1955 24 Hours of Le Mans, as Ferrari, Jaguar, and Mercedes-Benz had all won the race previously and all three automakers had arrived with new and improved cars.
The Ferraris, current champions at the time, were known to be fast but fragile and prone to mechanical failure. Jaguar concentrated their racing almost exclusively on Le Mans and had an experienced driver lineup including Formula 1 Ferrari driver Mike Hawthorn. After gaining success in F1, Mercedes-Benz had debuted its new 300 SLR in that year's World Sportscar Championship, including a record-setting win at the Mille Miglia for Stirling Moss. The 300 SLR featured a body made of an ultra-lightweight magnesium alloy called Elektron.
The car lacked the more effective state-of-the-art disc brakes featured on the rival Jaguar D-Type, instead incorporating inboard drum brakes and a large air brake behind the driver that could be raised to increase drag and slow the car. Mercedes team manager Alfred Neubauer assembled a multinational team for the race: pairing his two best drivers Juan Manuel Fangio and Stirling Moss in the lead car, 1952 race winner Karl Kling with Frenchman André Simon (both also in the current F1 team), and American John Fitch with one of the elder statesmen of French motor racing, Pierre Levegh.
It had been Levegh's unprecedented solo drive in the 1952 race that failed in the last hour, which allowed Mercedes-Benz their first Le Mans victory. Aside from two layout changes to make the circuit shorter, the Circuit de la Sarthe was largely unaltered since the inception of the race in 1923, when top speeds of cars were typically in the region of 100 km/h. By 1955, top speeds for the leading cars were over 270 km/h. The circuit had been resurfaced and widened after the Second World War.
The pits and grandstands had been reconstructed, but there were no barriers between the pit lane and the racing line, and only a 4 ft earthen bank between the track and the spectators.
Reader's Guide
On lap 35, Hawthorn and Fangio were still racing for the lead. The lap before, Hawthorn's pit crew had signalled for him to come in the next lap. He had just lapped Levegh, who was running sixth, after the corner Arnage, and was determined to keep Fangio at bay for as long as he could. Coming out of the Maison Blanche portion of the course, he rapidly caught up to Lance Macklin in his Austin Healey 100S, who had seen him and moved over to the right to let him pass.
Putting another lap on Macklin coming up to the main straight, Hawthorn then raised his hand to indicate he was pitting and pulled across to the right, and using the Jaguar's advanced disc brakes, braked hard enough to rapidly slow his Jaguar from his racing speed, catching Macklin out. There were two key factors regarding the track layout at that time. There was no designated deceleration lane for cars coming into the pits, and just before the main straight, there was a very slight right-hand kink in the road just after which Hawthorn started braking.
Macklin, who also braked hard, ran off the right-hand edge of the track, throwing up dust. Noticing that Hawthorn was slowing down, Macklin swerved left to avoid Hawthorn. As a result, Macklin's car veered across to the centre of the track, briefly out of control. This put him into the way of Levegh's Mercedes, closing in at over 200 km/h, intent on doing another lap and in front of Fangio, who was waiting to pass.
Levegh had no time to evade and, as he was about to collide, raised his hand to warn Fangio, who subsequently squeezed through the carnage and streaked past Hawthorn's then-stationary Jaguar in the pits, allowing him to pass unscathed. Levegh's front-right wheel rode up the rear-left of Macklin's car, which acted as a ramp and launched Levegh's car into the air, flying over spectators and rolling end over end for 80 m. Levegh was thrown out of his tumbling car and hit the ground, crushing his skull upon impact and killing him instantly.
The critical kink in the road put the car on a direct trajectory toward the packed terraces and grandstand. The car landed on the earthen embankment between the spectators and the track, bounced, then slammed into a concrete stairwell structure and disintegrated.
Frequently Asked Questions
What caused the 1955 Le Mans Disaster?
The tragedy occurred when an Austin-Healey collided with a Mercedes-Benz on the main straight, sending the German car airborne into the crowd. This impact caused massive casualties and immediately halted the race proceedings for investigation.
How many people died in the 1955 Le Mans crash?
The disaster resulted in 83 spectator deaths along with driver Pierre Levegh, making it the deadliest incident in motorsport history. Such a high toll forced organizers to completely rethink track safety standards overnight.
Which cars were involved in the collision?
The primary vehicles involved were a Mercedes-Benz 300 SLR and an Austin-Healey 100 racing on the main straight. Their collision caused the heavier Mercedes to flip over and crash directly into the spectator stands.
Did Mercedes stop racing after 1955?
Following the event, Mercedes-Benz withdrew from all motorsport competition immediately due to the public outcry and tragedy. They remained absent from racing for several decades before eventually returning under safer conditions.
What safety changes happened because of this disaster?
Global regulations were updated to include better barriers between spectators and the track, alongside stricter rules for safety cars. These protocols ensured that future races prioritized crowd protection over pure speed and access.
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