2022 Citroen C3 Aircross Shine + Ptch S/S A 1.2L Petrol · LR72 EXP

A developing concern on this 2022 Citroen C3 Aircross centres on a pair of major defects flagged at the 13 September 2025 test alongside the rear brake advisories. The MIL (Malfunction Indicator Lamp) was recorded as inoperative or indicating a malfunction, which is a significant emissions and engine management fault that warrants thorough diagnostic investigation, as it can mask issues ranging from sensor failures to catalytic converter efficiency problems or even more serious powertrain anomalies. Equally concerning is the nearside front headlamp being recorded as insecure, a straightforward but important lighting integrity issue that must be rectified to ensure proper road presence and beam alignment. The test on the same date subsequently passed with advisories, but the presence of two majors indicates that the vehicle required meaningful rectification work between the fail and pass entries to achieve roadworthy status. With 28,454 miles recorded over roughly four years, this C3 Aircross is accumulating at approximately 7,114 miles annually, which is broadly consistent with typical mixed private use. The mileage progression between tests does not reveal any extended gaps or unusual spikes, so there is no evidence of prolonged standing or exceptional use that would suggest accelerated wear of timing chains, turbo components, or other age-sensitive items beyond what might be expected for this sector. The relatively modest annual mileage does, however, mean some components may have seen fewer thermal cycles, which can occasionally contribute to surface corrosion on brake discs and minor sealing issues rather than deep mechanical wear. For a prospective buyer, the priority areas during inspection should directly reflect the recorded defects. The engine MIL issue demands a pre-purchase diagnostic scan using a Citroen-compatible tool, as the fault could relate to anything from a faulty oxygen sensor or lambda probe to ignition coil failure, EVAP system leaks, or catalytic converter degradation, and clearing the code without diagnosis would be ill-advised. On a test drive, listen for irregular idling, hesitation under acceleration, or any hesitation or jerking during partial throttle inputs that might indicate the underlying fault remains. The insecure headlamp should be physically checked to confirm it is now firmly seated, with no play when pushed from the rear, and the beam pattern should be inspected against a wall for correct alignment. The rear brake disc advisories for both nearside and offside are notable as they suggest the discs have developed surface pitting and scoring rather than simply wearing thin, which on a relatively low-mileage vehicle can indicate either infrequent heavy braking, prolonged light use allowing corrosion to establish, or simply that the discs have reached a wear threshold. During inspection, feel for any vibration or judder through the brake pedal when slowing from higher speeds, listen for any scraping or grinding noises, and visually examine the disc surfaces for lipping, blueing from heat, or deep scoring that might necessitate replacement rather than just pad renewal. A further test drive consideration is to listen carefully for any clonks or knocking from the suspension over uneven surfaces, check for pulling under braking, and verify the steering returns crisply to centre, as the C3 Aircross platform can be susceptible to front suspension bush wear over time. Confirming the resolution evidence for both major defects and obtaining a fresh diagnostic report on the MIL would be the most prudent steps before committing to purchase.