2017 Citroen C4 Cactus 1.2L Petrol · DP17 MPZ

The most recent DVSA test on 7 August 2026 resulted in a Pass alongside a previously recorded Fail on the same date for an inoperative registration plate lamp, which is a straightforward lighting defect and not indicative of any deeper mechanical concern. More relevant is the advisory issued at the same visit noting that the brake pads are wearing thin, which warrants prompt attention as the friction material is approaching the minimum serviceable thickness. Reviewing the broader MOT trajectory, the vehicle has now passed three consecutive tests, albeit with a recurring pattern of tyre-related advisories in 2021 and 2022 and the recent brake pad advisory. The overall trend appears broadly stable, though the emergence of brake wear after several clean tests suggests that the braking system is now entering a service interval that should not be deferred. With approximately 85,935 miles recorded over nine years, the C4 Cactus is accumulating around 9,500 miles annually, which sits comfortably within the expected band for a vehicle of this age and segment. There are no conspicuous gaps or sudden spikes in the recorded mileages, implying steady, consistent use rather than extended periods of standing or harsh motorway mileage accumulation. This level of usage generally keeps mechanical components, fluids, and rubber parts working within their intended service life, though it also means that suspension, drivetrain, and braking consumables will be approaching or past mid-life wear thresholds. The relatively even annual mileage is reassuring from a corrosion and seal-deterioration standpoint, as regularly driven cars tend to suffer less from seized calipers and stagnant fluid degradation than those left idle for long periods. Given the advisory on the brake pads, a prospective buyer should prioritise a thorough inspection of the braking system before purchase. The fronts should be checked for pad thickness remaining and disc condition, looking for lipped edges, hot spots, or surface corrosion that could cause pedal shudder under braking, while the rear calipers and mechanisms should be examined for free movement, as binding rear calipers are a common issue on higher-mileage Citroens. On a test drive, listen for any scraping or grinding from the front wheels, particularly at low speed, and pay attention to any pulling to one side or vibration through the steering wheel under braking, which would suggest uneven pad wear or disc runout. The brake fluid should also be tested for moisture content, as it degrades over time irrespective of mileage, and the fluid should be renewed if its age cannot be verified. Beyond the braking system, the historical tyre advisories warrant a close look at the current set, even if new rubber has been fitted since. Check the sidewalls carefully for cracking or perishing, which is a calendar-related issue on a nine-year-old car, and confirm that the fitted tyres are of matching brand, size, and tread depth across each axle to avoid differential wear on the front axle. The headlamp aim defect noted in 2021 is unlikely to persist but should be verified on a level surface, and the wiper blade minor defect from 2022 should be confirmed resolved with a new pair of blades fitted. Other age-related items worth inspecting include the 12V battery state of charge and cranking performance, the condition of the coil springs and suspension bushes for cracking or sagging, the coolant and anti-freeze concentration, and verification of a complete service history with stamps corresponding to the recorded mileages. Finally, ensure the registration plate lamps illuminate correctly on both sides, as the most recent failure was a simple fix but must be functional at the point of sale.