2017 SEAT Leon 1.4L Petrol · AF17 ADO

The latest DVSA MOT test conducted on 20 December 2025 resulted in a pass, with advisories noted for light oil misting on both the nearside and offside rear shock absorbers. Looking across the vehicle's entire recorded testing history from 2020 onward, the overall maintenance trend remains stable and positive. The car has consistently secured first-time passes without a single failure on record, and prior advisories regarding tyre edge wear and perishing from late 2023 have been resolved, leaving only the persistent rear damper misting as an ongoing consideration. At 56,352 miles over approximately nine years of service, the vehicle has covered an average of roughly 6,260 miles per year. This demonstrates steady, moderate road use rather than severe commercial duty or prolonged periods of standing idle. Consistent annual mileage accumulation is mechanically advantageous, as regular running keeps engine seals conditioned, prevents brake calipers from binding, and circulates vital fluids throughout the drivetrain. However, approaching a decade on the road means that chassis consumables, rubber mountings, and hydraulic components are reaching the natural end of their design life. Special attention must be directed toward the rear suspension during an inspection. The light oil misting on the rear shock absorbers has been flagged across multiple test cycles, indicating progressive seal seepage. While misting is not an immediate failure, hydraulic fluid loss eventually compromises the damper's ability to control spring oscillation. On a test drive, listen carefully for dull thumping or knocking noises over road imperfections, and assess whether the rear of the car exhibits excessive bounce or float over speed humps. If the dampers feel soft or if fluid leakage has progressed from a light mist to active wetness, budget for the replacement of the rear shock absorbers as an axle pair. Given the vehicle's age, a prospective buyer should also look beyond basic MOT compliance into time-based servicing records. Inspect all four tyres for remaining tread depth and even wear patterns, recalling the previous advisory for edge wear which can indicate steering geometry misalignment. Check the brake discs for corrosion ridges or pad deposit scoring, and ensure the pedal feel is firm and progressive. Finally, verify the service book for essential major maintenance intervals appropriate for this generation of SEAT Leon, including timing belt and water pump replacement intervals, fresh brake fluid flushes, and routine auxiliary drive belt renewal.