2012 SEAT Leon 2.0L Diesel · AY12 ANG

Rear‑brake wear and emerging rear‑sub‑frame corrosion form the core of this car’s MOT narrative; a 2022 failure recorded an off‑side rear brake disc that was worn, pitted or scored and a parking‑brake efficiency shortfall, while the most recent 2025 test, although passed, flagged corrosion on the rear sub‑frame and suspension components together with an uneven rear parking‑brake application. The intervening three annual tests (2022‑2024) showed no further defects, indicating that no new major failures have been recorded since the 2022 issue, but the persistence of rear‑brake and sub‑frame concerns suggests these areas merit close scrutiny. At 116,615 mi spread over roughly fourteen years the vehicle averages about 8,300 mi per annum, a mileage level that sits within normal UK usage patterns for a compact hatchback. The MOT history shows a regular annual testing cadence with no significant gaps, implying the mileage has been logged consistently rather than accumulated in large, undocumented bursts. This steady accumulation means consumables such as brake pads, discs, bushings and suspension joints are likely to be approaching the latter stages of their service life, particularly on the rear axle where the recorded defects have arisen. Prospective buyers should give the rear braking system a thorough inspection. Listen for a low‑frequency growl or feel a pulsating pedal when applying the rear brakes, especially under moderate to heavy braking, as these symptoms can indicate disc surface irregularities or thinning. Verify that the parking‑brake lever or pedal engages firmly and releases evenly; any sponginess, uneven pull or a need for multiple lever strokes points to the previously noted efficiency shortfall and may require cable adjustment, hydraulic line servicing, or disc resurfacing/replacement. Because the 2022 failure cited a disc that was not seriously weakened, a visual inspection for scoring, rust patches or excessive wear depth (below the minimum 1.5 mm) is essential before committing. Equally important is a close visual and tactile assessment of the rear sub‑frame and suspension linkage. Look for flaking paint, rust streaks or pitting around mounting points, rear shock absorbers and lower control arms; corrosion here can compromise structural rigidity and lead to handling anomalies such as a noticeable pull to one side, clunking over bumps, or uneven tyre wear. Push down on each rear corner to feel for excessive play in the bushings, and during a low‑speed drive, note any knocking or squeaking that intensifies over rough surfaces, which would suggest deteriorated suspension components that may need reinforcement or replacement. Addressing these specific items before purchase will give a clearer picture of the car’s remaining roadworthiness and the likely cost of remedial work.