2015 Citroen DS3 1.6L Diesel · YA64 MYH

A pattern of escalating brake and suspension wear dominates the roadworthiness record of this 2015 Citroen DS3, with the most recent test on 16 December 2025 culminating in a Dangerous fail at all four rear brake corners. Both rear brake discs were classified as seriously weakened and both rear brake pad sets were recorded below the 1.5 mm minimum thickness, meaning braking efficiency at the rear axle would have been severely compromised. This is not an isolated event; it follows a near-identical failure on the front axle exactly twelve months earlier, when both front discs were judged significantly worn and both front pads were again recorded below 1.5 mm. The progression from front to rear braking component failures across consecutive tests, together with a fractured offside rear coil spring flagged as a Major defect in December 2023, points to a vehicle that has been consuming its braking and suspension hardware at a rate typical of high-mileage urban use. Only the advisory noting a defective exhaust mounting has appeared with any consistency, recorded in both 2024 and 2025, which on its own would be minor but reinforces the impression of under-served underside hardware. The recorded mileage of 85,849 miles across approximately eleven years equates to an annual accumulation of around 7,800 miles, which sits broadly within the expected range for a car of this age. There are no multi-year gaps in the testing history that would suggest prolonged periods off the road, and the tests are evenly spaced from 2021 through 2025, indicating continuous use. Mileage consistency between annual tests cannot be confirmed from the data provided, but the absence of lay-up periods and the steady stream of wear-related failures are consistent with a vehicle that has been driven regularly rather than stored. Mechanically, this means the consumables have been worked as intended, and the brake and suspension failures should be read as accumulated wear rather than deterioration from disuse. For a prospective buyer, the immediate priority is a full brake system overhaul at both axles. The 2025 Dangerous failure means the rear calipers, discs, pads, and associated guide pins and sliders should all be inspected, as sticking calipers are a common secondary cause of uneven pad wear on the DS3 platform. On a test drive, listen for any grinding or scraping from the rear hubs on light braking, feel for a spongy or excessively long pedal travel, and watch for the vehicle pulling to one side under firm stopping, which can indicate a seized caliper or a hydraulic issue that was masked by the previous pad set. The fractured rear coil spring from December 2023 should prompt a close inspection of the remaining front coil spring, as springs tend to fail in pairs once one goes, and any knocking, bottoming out over speed humps, or a noticeably lowered corner would warrant immediate investigation. The persistent exhaust mounting advisory deserves attention even though it has never escalated to a failure. On inspection, check that the catalytic converter and centre silencer are securely supported, as a broken mounting can allow the exhaust to swing and contact the underbody or fuel lines, particularly over uneven roads. With the front brake discs already replaced once in the recorded history and the rears now condemned, prospective buyers should also budget for replacement flexible brake hoses, particularly if the original rubber items are over ten years old, and confirm that the handbrake mechanism is functioning correctly given the rear caliper work that will be required. Beyond these specific items, the underlying mechanical message of the MOT record is clear: this DS3 has reached an age and mileage where braking and suspension components are now failing in quick succession, and any purchase should be priced accordingly or treated as a candidate for immediate mechanical rectification rather than a turnkey purchase.