2011 Citroen C5 1.6L Diesel · LC11 YZU

Recurring electrical issues and repeated drivetrain component failures define the mechanical profile of this Citroen C5. The most recent MOT on 27 April 2026 shows a pass, but it follows a failure just one week prior involving headlamp aim and dipped beam functionality. There is a documented pattern of deterioration regarding the constant velocity boots on the nearside front prop shaft, which was flagged as a major defect in April 2026 and had been appearing as an advisory or failure in previous years. This trend of electrical faults, including position lamps and wiring security, alongside the recurring issues with drive shaft boots, suggests a vehicle that requires consistent attention to its peripheral components and lighting systems. With 170,351 miles recorded over approximately 15 years, the vehicle has covered an average of roughly 11,357 miles per year. This usage level is consistent with typical annual mileage for a vehicle of this age. Mechanically, this steady accumulation means that components subject to friction and repetitive movement, such as the suspension bushes, drive shaft joints, and braking system, are likely to have reached significant wear stages. The mileage history does not show evidence of long periods of inactivity, which supports the observation of wear on consumables like tyres and brake pads that have appeared in previous test results. A prospective buyer should pay close attention to the drivetrain during a test drive, specifically looking for any clicking or popping noises when turning the steering wheel at low speeds, which could indicate that the CV joints are failing following the repeated issues with the protective boots. The recent history of near-side front CV boot deterioration and grease leaks warrants a close inspection of the drive shaft area for any signs of splattered grease or excessive play in the joints. Furthermore, because the vehicle has previously failed on headlamp aim and bulb functionality, the electrical integrity of the lighting clusters and the security of the wiring looms should be verified to ensure there are no intermittent failures. The braking system and tyre condition also require scrutiny. Given the dangerous failure in 2023 regarding both tyre tread depth and brake pad thickness, the current state of the consumables should be checked to ensure they are not approaching similar limits. During the test drive, listen for any grinding or squealing from the brakes and check for any pedal judder or uneven braking force, which could indicate worn discs or binding calipers. The previous failure of the supplementary restraint system warning lamp also means the airbag and seatbelt pretensioner systems should be monitored for any recurring dashboard warning lights.