2016 Citroen C4 1.6L Diesel · PL65 EHC

The most recent MOT test on 2026-01-23 resulted in a clean pass, marking a positive resolution to the vehicle’s previous issues. However, the overall maintenance history reveals a pattern of recurring suspension and brake-related advisories and failures, particularly concerning the front lower suspension arms and brake pads. The 2024 failure highlighted a major defect in the near-side front lower suspension arm ball joint, which suggests progressive wear beyond the advisory thresholds observed in prior tests. While the 2025 and 2026 MOTs passed without defects, the persistent advisories on tyre wear and suspension components—including the 2022 and 2024 advisories on worn suspension bushes—indicate that these issues may not have been fully addressed or are still developing. The engine MIL failure from 2022 also underscores a deeper, unresolved mechanical concern that warrants further investigation, as it could point to long-term engine management or fuel system degradation. The recorded mileage of 55,745 miles for a vehicle aged approximately ten years is unusually low, reflecting an annual usage rate of around 5,574 miles, which is significantly below the industry average for a car of this age. Such low mileage often suggests periods of prolonged inactivity, which can lead to specific wear patterns and potential issues not typically associated with high-mileage vehicles. For instance, standing for extended durations can cause brake discs to corrode, leading to binding calipers or uneven brake pad wear, as evidenced by the 2022 MOT failure where both front brake pads were dangerously thin. Additionally, low mileage may mask other wear patterns, such as suspension bush degradation, which can accelerate if the vehicle remains stationary for long periods without regular movement. The low mileage also raises questions about fluid degradation, particularly brake fluid, which can absorb moisture over time and compromise braking performance, even if the vehicle is driven infrequently. Given the vehicle’s history of suspension and brake advisories, the prospective buyer should prioritise a thorough inspection of the front suspension system, focusing on the lower arms, ball joints, and bushings. During a test drive, listen for unusual clunks, rattles, or uneven suspension movement, particularly on the near-side and offside lower arms, which may indicate further wear or detachment. Inspect the front brake system for signs of binding calipers, excessive heat discoloration on discs, or uneven wear patterns that could suggest standing corrosion or previous pad replacement. The tyre wear advisories from the 2025 MOT indicate that the offside rear and near-side front tyres are nearing legal limits, with edge wear suggesting improper alignment or underinflation. Replace these tyres promptly to prevent further damage to the vehicle’s handling and safety. Additionally, check for any fluid leaks, particularly around the suspension and brake systems, as these could indicate failing seals or components. For practical checks beyond the MOT history, the buyer should examine the vehicle’s tyre sidewalls for signs of perishing or cracking, which can occur even with low mileage due to prolonged exposure to the elements. Inspect the battery terminals for corrosion and ensure the 12V battery is fully functional, as low usage can lead to battery degradation. Given the vehicle’s age and the potential for fluid degradation, particularly brake fluid and coolant, consider having the fluids serviced according to manufacturer recommendations, even if the vehicle has not been driven extensively. Verify the service book for any recorded maintenance, such as oil changes or suspension servicing, which could provide context for the recurring issues. Finally, address the unresolved engine MIL warning from 2022 by having a professional diagnose the root cause of the malfunction, as this could prevent further engine damage or reduced efficiency.