2013 Citroen DS3 1.6L Diesel · FN63 ULX

Recurring issues with the exhaust system and suspension components define the mechanical profile of this Citroen DS3, with the most recent MOT passed on 18 November 2025 following a failure just one day prior. The vehicle has demonstrated a pattern of instability regarding its exhaust integrity and lighting, having failed in late 2025 due to a major exhaust gas leak and incorrect headlamp beam aim, alongside multiple inoperative position lamps. Furthermore, the presence of an advisory for a defective exhaust mounting flexi-joint and a corroded nearside rear coil spring in the latest test suggests that while the immediate failures were rectified, underlying wear in the exhaust and suspension systems remains an ongoing concern. The recorded mileage of 140,259 miles over approximately thirteen years represents an average annual accumulation of roughly 10,789 miles. This usage pattern is consistent with typical UK driving cycles for a vehicle of this age. Mechanically, this level of mileage suggests that components subject to constant friction and thermal stress, such as suspension bushes, brake discs, and drive shaft CV boots, are reaching the end of their expected service life. The history confirms this, with multiple entries for worn suspension arm bushes and split CV boots appearing across different testing years, which is characteristic of a vehicle used regularly for standard commuting. A prospective buyer should pay close attention to the chassis and running gear during a test drive, specifically focusing on the suspension and exhaust. Given the history of worn arm rear bushes and the recent advisory for a corroded nearside rear coil spring, listen for any knocking, clunking, or rhythmic thudding sounds when driving over uneven surfaces or speed bumps. The corrosion on the coil spring warrants a visual inspection to determine if the degradation is surface-level or structural. Additionally, because the exhaust system has suffered from detached mounts, major leaks, and a defective flexi-joint, listen for any loud droning, bubbling, or increased engine noise, particularly during acceleration, which could indicate a new or unresolved leak. Braking and drivetrain components also require scrutiny based on previous failures and advisories. The 2024 record noted a binding offside rear brake and pitted discs, so the driver should check for any pulling to one side during braking or a pulsating sensation through the brake pedal. The history of split CV boots on both nearside and offside drive shafts means the drivetrain should be monitored for any clicking sounds when turning the steering wheel at low speeds. Finally, ensure all lighting, specifically the headlamp aim and position lamps that caused the November 2025 failure, is functioning correctly and that the beam is properly aligned against a flat surface.