Seat Of The Problem: 6,000 MG3 Owners Still Driving With A Known Latch Flaw

Around 6,000 MG3 superminis are still being driven on UK roads with a known seat fault so serious that Euro NCAP took the unprecedented step of advising drivers to avoid buying the car altogether. The fault is fixable. The repair is free. And yet, more than six months after MG launched the recall, roughly a third of the affected cars have not been booked in. Euro NCAP has now publicly urged owners to act.

The fault came to light in September 2025 when Euro NCAP put a new MG3 through its standard crash test programme. During the front impact test the latch holding the driver’s seat to its rails came undone mid-collision, allowing one side of the seat to slide forward by 11.5 centimetres before the dummy’s body had even begun to decelerate. The driver dummy was thrown forward and twisted on the seat, sustaining what the test report described as “concerning” lower leg injuries and a head-to-steering-wheel impact that would have caused serious harm to a real occupant. It was the first failure of its kind that Euro NCAP has recorded in nearly three decades of testing.

If you bought an MG3 in 2024 or in the first eight months of 2025, this story is for you.

What The Recall Covers

The recall applies to every MG3 supermini built before August 2025. MG has confirmed that vehicles produced from August 2025 onwards left the factory with a redesigned seat latch and do not require any modification. The earliest UK cars affected were registered from late 2024, when the second-generation MG3 went on sale here, and the recall covers both the petrol and hybrid variants of that car.

MG launched the recall in November 2025 after agreeing the technical fix with Euro NCAP. The repair itself is straightforward and is carried out free of charge by any MG main dealer. The seat is removed from the car, the existing latch mechanism is replaced with an upgraded part, and the seat is reinstalled. The typical workshop time is around 60 to 90 minutes per vehicle, depending on whether the dealer has the relevant parts in stock at the time of the appointment.

Between the start of the recall in November 2025 and the end of April 2026, MG says it has inspected and repaired more than 12,000 cars, which is approximately two-thirds of the affected pool in the UK. The brand has written to every registered owner of an affected car, and it expects to push the completion rate past 90 per cent by November 2026. The arithmetic of that target is sobering. Roughly 6,000 cars are still moving around the country with the original latch in place.

What Euro NCAP Found, In Plain Terms

Euro NCAP’s crash test programme is one of the most respected safety assessments in the world, and the agency very rarely intervenes after a test in the way it did with the MG3. In the September 2025 frontal impact test, the driver dummy struck the steering wheel hard enough to “bottom out” the airbag, in the agency’s own words, because the seat had moved forward by 11.5 centimetres during the impact. The driver’s left leg sustained injuries that were rated above the threshold for serious harm in real-world conditions.

The agency took the unusual step of issuing a consumer warning advising people not to buy the MG3 until the seat latch issue was resolved. Despite that finding, Euro NCAP still awarded the MG3 a four-star rating overall because the agency’s scoring methodology does not allow it to dock a star for a single component failure of this kind once the other test scores are added in. Without the seat issue, the MG3 scored 74 per cent for adult occupant protection, 73 per cent for child occupant protection, 81 per cent for vulnerable road users and 69 per cent for safety assist features.

Euro NCAP’s programme director Dr Aled Williams told the agency’s press service: “This was a significant safety flaw that Euro NCAP uncovered, and we were pleased with MG Motor’s robust response. Owners of the MG3 who haven’t heard about the vehicle recall or are still to take action should contact their local MG dealer, and they will confirm whether their car is one of the affected models, and arrange repairs, if necessary, at no cost to the owner.”

Why Owners Have Not Booked In Yet

Recall completion rates tend to follow a predictable pattern. The first wave of owners responds quickly when the recall letter arrives, and dealers see a surge in bookings in the first two months. The next wave is slower, dropping in for the work alongside their regular service. The last 10 to 20 per cent of owners tend to slip through the net because the registered keeper details on the V5 are out of date, because the car has changed hands, because the owner has read the letter and decided the issue does not feel urgent, or because they simply have not got round to it.

The MG3 recall has run into all of those patterns at once. The car was new to the UK market in late 2024, so it has been sold and re-sold quickly across the second-hand network. Some owners bought theirs from private sellers who never forwarded the recall notice, and others are still receiving DVLA correspondence at addresses they moved out of months ago. Euro NCAP’s intervention is partly designed to break through that inertia, by publicly naming the model and the issue so that owners who never received a letter still know to check.

The MG3 is also the cheap end of the new-car market, with a starting price under £15,000 in petrol form and around £19,000 in hybrid trim. That makes it a popular choice for younger drivers, first-time buyers and parents buying a runabout for a teenage child. Those are exactly the owner profiles least likely to be tracking automotive press coverage and most likely to have casual relationships with their main dealer. They are also the people most exposed if the seat latch ever does what Euro NCAP saw it do on the test track.

What You Should Do This Week

The action list is short. If you own an MG3, or you are buying one from a private seller, take five minutes today to confirm the recall status. The official check is at gov.uk/check-vehicle-recalls. Type in the registration plate, and within a few seconds the page will tell you whether any open safety recall is associated with the vehicle. If the answer comes back yes, the next call is to your nearest MG dealer.

The MG UK customer service line is 0345 605 0066 and the dealer locator is at mg.co.uk. Quote the recall reference when you call. Most dealers are now booking the seat work within two to three weeks of first contact, and many will offer a courtesy car for the day if you ask. If your local dealer cannot fit you in within a reasonable window, MG can authorise a nearby franchise to do the work and the recall remains free regardless of where it is completed.

If you bought your MG3 used and the V5 is still in the previous owner’s name, register the keeper change with the DVLA immediately. Recall correspondence goes to the registered keeper. If MG cannot find you, the recall letter sits in someone else’s inbox and you do not find out until something goes wrong. The keeper change is free if you do it online at gov.uk/sold-bought-vehicle.

The risk is not theoretical. The Euro NCAP test reproduces a frontal impact equivalent to two cars meeting at a closing speed of around 100km/h, the kind of collision that happens on rural A-roads every day in the UK. The fix takes 90 minutes. There is no reason to put it off.

What This Says About New Car Safety In 2026

The MG3 case is a reminder that the safety net catching faults in new cars is wider and faster than it used to be. Twenty years ago a fault like this might have taken years to surface, through accident analysis or coroner’s reports, and would have led to a recall via the DVSA rather than a public warning from a crash test agency. The Euro NCAP test programme, and the fact that it is now joined up with European and UK type-approval frameworks, means a fault discovered in a lab in Belgium can become a national recall and a public warning within weeks.

That works, but only if owners co-operate. A recall whose paperwork sits on a kitchen counter for nine months is no better than a recall that never happened. The 12,000 MG3 owners who have already had the work done are protected. The 6,000 who have not are riding in cars with a known fault that Euro NCAP itself has labelled “concerning.” The contrast is so stark that even the agency, which usually deals in measured technical language, has resorted to a direct public call to action. The right response is to take it.

Sources:

• Auto Express: Get “troubling” MG3 seat latch flaw fixed, Euro NCAP urges owners
• Euro NCAP: MG3 owners urged to complete safety recall repair
• Euro NCAP: MG3 suffers rare seat latch failure during crash test
• What Car?: MG3 owners urged to fix serious driver’s seat fault
• Parkers: MG3 suffers rare seat failure in Euro NCAP crash test
• GOV.UK: Check if a vehicle has been recalled