2010 Citroen C3 1.4L Diesel · GV10 VDG

A recurring theme of corrosion on the rear coil springs defines the mechanical story of this 2010 Citroen C3, with advisories logged at both the 2021 and 2023 tests and the deterioration clearly progressing over time. The 2021 entry noted both rear springs as badly corroded, and by November 2023 the same components were again flagged, confirming that the surface corrosion has not been resolved and is being monitored rather than rectified. The most recent test on 9 November 2023 was recorded as a pass, but only after a retest on the same day addressed two major defects: a nearside front tyre with a cut deep enough to expose the ply or cords, and an offside front windscreen washer that was not delivering sufficient fluid. A further dangerous failure was recorded in October 2022 for parking brake efficiency below 50% of the required value, which was also resolved on the same date. The trajectory shows a generally roadworthy car that has nonetheless accumulated a series of advisories and three failures across its recent history, with the rear suspension corrosion and exhaust mounting condition representing the most persistent concerns. At 80,763 miles over approximately 16 years, this C3 has covered around 5,000 miles annually, which is well below average for its age. While low annual mileage reduces wear on major drivetrain components, it often correlates with increased corrosion on underbody and suspension parts due to prolonged exposure to moisture and road salt without the regular heat cycles generated by longer journeys. The MOT record is continuous from 2018 onwards with no extended gaps, but the very low usage likely explains why the rear coil springs have corroded progressively rather than failing outright. Test-to-test mileage progression should be verified to confirm the vehicle has been regularly driven, as prolonged standing periods can accelerate deterioration of brake components, exhaust mountings, and rubber suspension bushes regardless of low odometer readings. For a prospective buyer, particular attention should be paid to the rear suspension, as the repeated advisories on both coil springs suggest that replacement may now be required rather than simply monitored. On a test drive, listen for knocking or clonking noises from the rear over uneven surfaces, and check for any visible sagging of the rear ride height which would indicate a fractured or weakened spring. The front suspension should also be inspected for any knocking through the steering, as the corresponding bushes and dampers may be showing similar age-related deterioration even if not yet flagged. The exhaust system warrants a physical check from underneath, as the front and rear mounting defects noted in 2023 suggest worn or broken rubber hangers, and an exhaust that can be moved excessively by hand is likely to drop and contact the underbody. The brake system requires a careful evaluation following the 2022 dangerous failure for parking brake efficiency, with a focus on the rear calipers, handbrake cables, and rear drum or disc mechanisms. On test, the parking brake should hold the vehicle firmly on a moderate incline with minimal lever travel, and any dragging sensation or uneven pulling under gentle braking would suggest seized rear caliper mechanisms, which are common on low-mileage vehicles that have been left standing. Inspect all visible brake pipes and flexible hoses for corrosion or cracking, particularly along the underbody and rear axle area. The tyres should be examined for even wear across the tread and for any sidewall damage, given the recent cut to the nearside front tyre. Finally, a thorough underbody inspection on a ramp is strongly recommended to assess the extent of corrosion on the rear springs, exhaust mounting points, and any structural areas before purchase.