2013 Mazda MX-5 1.8L Petrol · LL06 SHL

A pattern of rear brake wear and a binding front caliper emerge as the defining mechanical concerns in the MOT history of this Mazda MX-5, with the most recent test on 3 March 2026 passing only after a prior-day failure was addressed. The car has now accumulated seven consecutive passes dating back to 2020, but the transition from a perfectly clean record through to a major defect and repeat brake disc advisories within a single testing cycle suggests that wear items on the braking system have accelerated rather than the car having settled into a stable condition. The 2026 advisory notes for both rear brake discs being pitted or scored are not isolated observations but correlate directly with the binding offside front caliper failure, indicating that the braking system as a whole warrants close scrutiny rather than reliance on the pass certificate alone. With 46,416 miles recorded across thirteen years of registration, this MX-5 has averaged roughly 3,570 miles annually, which is considerably below the typical mileage for a car of its age and points to extended periods of light or seasonal use. The MOT testing cadence itself is remarkably consistent, with annual tests recorded in nearly every year from 2020 through 2026, so there is no evidence of long-term off-road storage that would raise concerns about dormant corrosion, seized components, or fuel system degradation. That said, low annual mileage on a sports-oriented convertible does not necessarily preserve component condition uniformly, and the emergence of brake-related defects on a lightly used car suggests the issues stem from corrosion and surface degradation on the discs rather than from pad wear alone, while the binding caliper implies infrequent actuation allowing the sliding mechanism to seize. For a prospective buyer, the binding offside front caliper is the single most important item to verify has been properly rectified, as a sticking caliper can produce uneven pad wear, pulling under braking, elevated operating temperature, and ultimately warped discs if left unresolved. On a test drive, listen for any grinding or scraping from the front offside corner, feel for the car pulling to one side under firm pedal pressure, and check that the front wheel rotates freely by hand when jacked with the caliper released; excessive heat haze or a burning smell immediately after driving would also indicate the slide pins or piston have not been fully freed. The two rear brake disc advisories should prompt a physical inspection of disc thickness against the manufacturer's minimum specification, since pitted and scored surfaces reduce braking efficiency in wet conditions and may progress to a failable standard if the corrosion deepens across the braking surface or reaches the disc edge. Beyond the braking system, a careful low-speed evaluation of the suspension and steering geometry is warranted given the car's age and convertible body style, with particular attention to knocking from the front anti-roll bar drop links, worn bushes in the lower wishbones, and any clonking over uneven surfaces that could indicate top mount or coil spring fatigue. The convertible hood mechanism, rear wheelarch liners, and underbody seam areas should be examined for corrosion, as MX-5s of this generation are known to develop surface rust around the rear wheel arches and suspension mounting points even when used sparingly. Finally, given the low recorded mileage, confirm that the timing chain or belt service interval has been observed according to schedule rather than mileage alone, and check the condition of the coolant, brake fluid, and gearbox oil for any signs of neglect, since age-related fluid degradation will not appear on an MOT but can compromise reliability on a car that may have sat unused for extended intervals between annual tests.