Published : 12 July 2025
Read Time : 5 min
Author: Nikil Jonathan
While modern cars are equipped with numerous safety features designed to prevent a collision or protect occupants during an initial impact, the danger doesn’t always end there. After a primary crash, a car might still move due to momentum, potentially leading to secondary collisions with other vehicles, roadside objects, or even pedestrians. This is where multi-collision brakes (also known as Post-Collision Braking System or Secondary Collision Brake) come into play – a vital car safety technology designed to mitigate the risks of these subsequent impacts.

Multi-collision brakes are an advanced safety system that automatically applies the vehicle’s brakes after an initial collision has occurred. The system’s primary goal is to reduce the vehicle’s speed and bring it to a controlled stop, thereby preventing or reducing the severity of any subsequent impacts. This feature is particularly vital because, after a severe primary collision, the driver might be incapacitated or unable to react, and the vehicle’s existing safety systems (like airbags) may have already deployed.
The operation of multi-collision brakes is seamlessly integrated with the car’s existing safety systems:
Here are the pros, or advantages, of multi-collision brakes:
Here are the cons, or disadvantages, of multi-collision brakes:
No, installing multi-collision brakes from the aftermarket is not feasible. This system is a deeply integrated part of a vehicle’s core safety architecture, relying on communication with airbag sensors, the electronic stability control (ESC) unit, and the braking system. It requires complex calibration and is designed as an integral component of the vehicle’s original safety design. Attempting to retrofit such a system would be extremely difficult, prohibitively expensive, and could severely compromise the vehicle’s overall safety and crashworthiness.
Multi-collision brakes are increasingly becoming a standard safety feature, particularly in models that have achieved high safety ratings (like 5-star Euro NCAP or Bharat NCAP ratings). While initially found in premium and luxury cars, this technology is now trickling down into more accessible segments in India, often as part of a comprehensive safety package.
You can find this feature in the following cars:
Also Read: Digital IRVM - Feature Explained
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Content Writer
Nikil's a huge fan of classic cars, especially Italian beauties such as the Alfa Romeo Giulia Sprint and the Iso Grifo. His love for cars and bikes originated when he first laid his eyes on a poster of the Ferrari F40 and the MV Agusta F4 when he was just a child. He also loves all things analogue, especially vintage cameras and turntables.

























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