2018 MG ZS 1.5L Petrol · CSZ 2562

The most recent DVSA examination on this 2018 MG ZS took place on 6 May 2026 and resulted in a pass; however, it is essential to note that this pass followed a failure on the very same date for an imbalanced braking system across an axle, a categorisation that in isolation would prevent the vehicle from being legally driven until rectified. The vehicle subsequently cleared a retest with advisories for nearside rear brake disc wear, pitting, and scoring, alongside minor defects for both windscreen wiper blades. The minor items are inconsequential, but the brake-related findings warrant close scrutiny. Looking at the broader picture, the 2023, 2024, and early 2025 tests were passed without any recorded advisories, indicating a previously stable maintenance trend that has now deteriorated somewhat. The sudden emergence of brake imbalance and disc wear after a clean history suggests either an acute issue such as a seized caliper, hydraulic fault, or uneven pad transfer, or the natural arrival of wear thresholds on consumable braking components. The recorded mileage of 61,634 miles across an eight-year service life equates to an average of approximately 7,704 miles annually, which is broadly typical for a vehicle of this age and class. This places the MG ZS firmly in the average usage bracket, meaning that wear on consumable items such as brake pads, discs, tyres, and clutches should have progressed in line with manufacturer service schedules, rather than being either negligibly low or excessively high. The mileage progression between tests suggests consistent, regular use rather than long periods of standing or unusually high annual accumulation. There are no extended gaps evident in the mileage recording that would raise concerns about dormant component degradation, seized brake mechanisms, or fluid deterioration through lack of use. Given the advisory concerning nearside rear brake disc wear and pitting, a prospective buyer should carry out a careful road test and physical inspection of the braking system. On a test drive, listen for any grinding, squealing, or pulsation through the brake pedal, and pay particular attention to whether the vehicle pulls to one side under braking, which would indicate persistent imbalance between the rear axle components. Inspect the rear discs for a visible lip on the outer edge, surface scoring, or blueing from heat build-up, and check that the rear calipers are sliding freely without binding, as a partially seized caliper is a common cause of uneven wear and would need replacement. With the brake disc already at advisory stage, budgeting for replacement alongside a set of fresh pads within the next service interval is advisable. Beyond the recorded braking concerns, the age of this vehicle at eight years means that several calendar-based maintenance items should be verified regardless of mileage. Check the condition of all tyres for sidewall perishing or cracking, which occurs with age irrespective of tread depth, and confirm the manufacturing date code to ensure none are approaching the end of their serviceable life. The 12-volt battery should be load-tested, as units of this vintage commonly fail without warning, particularly if the vehicle has had intermittent periods of standing. Verify that the cambelt or timing chain service interval has been observed according to MG's published schedule, confirm that coolant, brake fluid, and gearbox oil have been refreshed at their recommended intervals, and inspect the underside and suspension components for any emerging corrosion or perished bushes, which are common age-related issues on vehicles operating in UK conditions.