2015 Citroen DS3 1.6L Diesel · ST15 OFV

The most recent MOT, dated 15 May 2024, was passed but returned several advisories covering front and rear brake discs, a defective rear‑exhaust mounting and leak, and wear on the nearside front suspension arm pin or bush. The preceding test, one day earlier, failed on the wiper effectiveness and on both front constant‑velocity joint boots, indicating that while the vehicle cleared the formal pass criteria, a number of wear‑related items remain unresolved. Over the past six years the record shows a pattern of recurring brake disc wear, suspension bush deterioration, exhaust‑mount failures and intermittent brake‑binding warnings, suggesting a maintenance trend that is more deteriorating than improving, despite occasional corrective work that has enabled a pass. At 174 621 miles the DS3 averages roughly 15 900 miles per year, well above the typical UK average of 8‑10 000 miles. This high annual usage points to substantial wear on consumables such as brake pads, discs, tyres, CV joints and suspension components, and it also raises the likelihood of internal engine and transmission mileage‑related fatigue. There are no obvious gaps in the recorded mileage, implying the car has been driven consistently rather than stored for long periods, which means age‑related perishing (rubber cracking, battery degradation) will be compounded by the high mileage wear. A prospective buyer should give particular attention to the braking system. Both front and rear discs have been flagged repeatedly for scoring and pitting; measure the remaining thickness and look for audible shudder or vibration under braking, especially on hot descents. The history of rear‑brake binding and brake‑imbalance advisories warrants a thorough inspection of the calipers, pistons and hydraulic lines for corrosion, seized pistons or uneven pad wear, and a test‑drive should confirm a firm, pedal‑free release. The front CV joint boots that were recorded as split are a common precursor to joint failure – inspect for grease leakage, torn rubber and listen for clicking noises when steering through corners. The nearside front suspension arm bush wear, together with past track‑rod end play, should be checked for any clunking or vague steering feel, and the condition of the bushings and ball joints should be verified visually and by applying load through the wheel. The rear‑exhaust mounting defect and minor leak noted in the latest MOT may produce rattles or a faint exhaust smell; ensure the exhaust brackets are secure and the pipe is not corroded, as a failure could affect cabin noise and emissions compliance. Beyond the specific fault history, the car’s age and mileage demand standard age‑related checks. Examine all four tyres for sidewall cracking, dry rot and tread depth, as the 2023 advisory indicated at least one tyre was close to the legal limit. Test the 12‑volt battery voltage and consider a load test, since prolonged high‑mileage use often accelerates battery depletion. Look for rust or corrosion on the chassis, suspension mounting points and under‑body panels, especially around the exhaust brackets that have previously failed. Verify that oil, coolant and brake fluids have been changed at appropriate intervals – fluid colour and level can reveal neglect. Finally, request a full service book and confirm that major items such as brake discs, CV joints and suspension bushes have been replaced or overhauled in line with the mileage, to avoid unexpected out‑of‑pocket repairs shortly after purchase.