2012 SEAT Leon 1.6L Diesel · SL12 MDZ

The vehicle remains roadworthy as of its most recent MOT on 2026-04-01, but the maintenance trend is clearly worsening. The failure just prior, on 2026-03-30, revealed multiple critical issues including severely worn rear brake discs, front tyres nearing legal failure, and an engine MIL fault that remains unresolved. While the April test passed, it only addressed the most urgent defects — notably the front brake discs, which were still pitted but not dangerously weakened — and did not resolve the underlying structural corrosion or the unresolved engine fault. This indicates a reactive rather than preventative maintenance pattern. The mileage of 210,236 miles at 14 years old suggests heavy usage, averaging nearly 15,000 miles annually. The most recent test occurred just 46 days before the current date, meaning the vehicle has accumulated 210,236 miles in under 14 years — a rate that accelerates wear on tyres, suspension, brakes, and drivetrain components. The gap between the 2025-03-25 pass and the 2024-03-28 failure is notable: 20,525 miles were covered in just one year, followed by a further 14,134 miles before the next test. This rapid accumulation, combined with the failure of suspension arms in 2024 and corrosion in 2025, points to a vehicle that has not been maintained to a high standard over time. Buyers should inspect the rear suspension arms for structural integrity, as both sides were found corroded and seriously weakened in 2024, and corrosion has persisted into 2026. The front and rear brake discs show progressive wear, with the rear discs failing inspection in 2026 and the front discs showing pitting in both 2026 tests — a sign of ongoing frictional stress or poor maintenance. Tyre wear, particularly the front tyres worn to cords and the rear inner tread close to the edge, indicates either aggressive driving, misalignment, or neglect. The unresolved engine MIL light should be diagnosed immediately, as it may point to emissions, fuel, or ignition system faults that could affect roadworthiness or long-term reliability. The headlight lens clouding, while not a failure, is a recurring advisory that suggests neglect of lighting system upkeep. The vehicle’s mechanical condition reflects a pattern of deferred maintenance — structural corrosion, brake wear, and tyre degradation all point to a lack of consistent servicing. A buyer should budget for immediate suspension repairs, full brake system replacement, and a thorough diagnostic of the engine management system. The high mileage and recent failures indicate this is not a lightly used car, and the cost of rectifying these issues will be significant.