Driver error, road design, likely reasons for Cyrus Mistry accident

    Veering into the extreme left lane to avoid an obstacle or pass a truck may have caused the SUV to crash into an exposed concrete barrier.

    Published On Sep 07, 2022 10:23:00 PM


    Mercedes-Benz GLC accident
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    This story was updated on September 15, 2022.

    As more details come in on the road accident that took the life of Cyrus Mistry and Jehangir Pandole earlier this week, a picture is now emerging that indicates a faulty road design and driver error are the likely causes of the crash. 

    Multiple reports and initial police briefings state that Dr Anahita Pandole, who was behind the wheel of the Mercedes-Benz GLC 220d, may have had an error of judgement, or may have been trying to overtake a vehicle from the left and did not anticipate that the road narrowed from three lanes to two at the Surya River Bridge on the Mumbai-Ahmedabad Highway, before the SUV hit the concrete barrier.

    The Road 

    This also points to a flawed road design; the concrete wall should not have been left exposed and instead protected by a tapering guard rail/barrier, especially given that the road narrows within a short distance and at a slight bend too. This catches drivers off-guard and forces them to merge into traffic with little time to take evasive action. If a tapering guard rail were present, this would have resulted in a glancing blow, which would have lessened the force of the impact. Unfortunately, this was not the case. 

    It is also likely that Dr Pandole suddenly veered to the left to avoid an obstacle or overtake a truck that suddenly swung into her path that caused her to lose control.  

    The road in question is known for its poor condition and has proved to be a troublesome area for a while now. Just a month ago, the Autocar India team had driven down this stretch on the #TaycanK2K drive from Kashmir to Kanyakumari. Chief Road tester Rahul Kakar said, “The roads on this sector after the monsoon are full of potholes and craters – the most treacherous we encountered in 4,000km.” 

    The Speed

    Initial police reports also suggest that the car may have been overspeeding, with some claims that the car was being driven at 130kph on that stretch, which seems unlikely looking at the limited structural damage and the car’s position after impact. Unofficial reports from the Event Data Recorder (EDR) recovered from the GLC suggests a speed of 89kph at the point of impact which is considerably higher than the speed limit.

    The damage is mainly on the lower end while the entire structure, the front bonnet and all the doors are pretty much intact and have shown minimal deformation. As with most high speed impacts of this nature, the car did not bounce off but was instead resting against the barrier and had to be pulled out. 

    Crash Forensics 

    Given the high profile nature of the case, a special crash forensic team is investigating the matter to arrive at the cause as well as add to the selected library of crash investigations that are conducted for research. 

    In a statement, Mercedes-Benz said, “We are cooperating with the authorities where possible, and we will provide any clarifications to them directly as required.” 

    Both pictures and reports indicate that the safety systems of the car performed as they were designed to with airbags deploying, however, what is very apparent is the lack of use of seat belts. The two front passengers – who survived – were belted up, while the two in the rear remained unbelted. The impact would have thus thrown the two rear occupants forward with tremendous force resulting in their deaths as well as injuring the front passengers. 

    Crash tests show that an unbelted rear passenger can collide with the front seats causing them to move forward considerably, thus resulting in high impact loads for the front occupants as well. Head impacts can also arise which can prove fatal. Mistry and Jehangir Pandole are believed to have died on the spot due to a head injury and whiplash. 

    This only highlights the need for all occupants to wear a seat belt, and, for that matter, even heavy cargo secured well, and that a simple rear seat belt reminder would go a long way towards instilling this habit, something we have been pointing out for a while now. Interestingly, Mercedes-Benz has also been highlighting the importance of seat belt usage with its belt-slide demonstrator showing how even with a very low impact speed, a passenger can be thrown forward with a force exceeding whatever bracing they can muster with the hands and feet.  

    A true picture will emerge once the crash test forensics are released. 


    Copyright (c) Autocar India. All rights reserved.


    anil dahar - 349 days ago

    I drive both the Mercedes and the BMW. Both good cars with superior technology.But no amount of technology can save you if you drive at extreme speeds

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