2015 Citroen DS3 1.6L Diesel · NG64 ELU

The 2015 Citroën DS3 presents a mixed maintenance picture, with a recent pass masking a pattern of recurring drivetrain and suspension defects. The most recent test on 19 September 2025 at 118,336 miles recorded a pass, yet the tester flagged a severely deteriorated offside front outer CV boot, an inoperative rear registration plate lamp, and a corroded rear beam axle. This combination suggests basic upkeep was reactive rather than preventative. The trend is not cleanly improving; while the September 2025 pass shows some issues were addressed, the corrosion advisory on the rear beam axle remains a structural concern that demands closer inspection. The vehicle has covered roughly 10,758 miles per year since new, which is typical for its age and does not indicate excessive use. Mileage progression is steady, rising from 102,542 miles in June 2023 to 112,924 miles in July 2024, then to 118,336 miles by September 2025. There are no alarming gaps or sudden jumps in the record, and the annual testing pattern is consistent. The data is sufficient to identify fault trends, though the sparse advisory history between clean passes in 2023 and 2024 means some wear items may have been replaced without formal notation. The recurring theme across multiple tests is deterioration of the offside front outer CV boot, which failed in June 2023 and again in September 2025 after an intervening pass in July 2024. This points to either a poorly replaced boot or an underlying joint issue causing premature wear. The July 2024 failure also identified an excessively worn offside front suspension arm ball joint, a component that directly affects steering precision and tyre wear. Buyers should inspect the front suspension closely, checking for play in the ball joints and tie rod ends, and examine the CV boot for fresh grease contamination or splits. Brake condition has been flagged twice, with all four brake discs noted as worn or pitted in June 2023. Although the subsequent tests show no further brake-related defects, the corrosion advisory on the rear beam axle in September 2025 is the most structurally significant finding. A buyer should have the underside inspected for advanced corrosion, particularly around mounting points and suspension attachment areas, and verify that the rear brake components have not deteriorated alongside the beam. Tyre condition should also be checked, as uneven wear can indicate unresolved suspension geometry issues following the ball joint replacement.