2017 Mercedes-Benz A-Class 1.5L Diesel · YC17 WAA

Recurring issues with suspension components and fluid containment define the mechanical profile of this Mercedes-Benz A-Class, with the most recent test on 21 May 2026 showing a pass alongside advisories for an oil leak, a corroded nearside rear coil spring, and pitted rear brake discs. The inspection history reveals a pattern of component wear, specifically regarding coil springs, following a major failure in May 2024 when an offside rear coil spring was recorded as fractured or broken. While the vehicle has consistently passed its tests, the presence of multiple advisories across consecutive years suggests a trend of accumulating wear on consumables and structural suspension elements that requires close monitoring. The vehicle has covered 101,575 miles over its nine-year lifespan, averaging approximately 11,286 miles per year. This mileage accumulation is consistent with typical UK usage patterns for a vehicle of this age. From a mechanical standpoint, this level of usage implies that components such as suspension bushes, dampers, and braking systems are subject to standard wear and tear. The steady mileage suggests the vehicle has been in regular use rather than sitting stationary for extended periods, which typically helps prevent issues like seized calipers or perished rubber seals, though it does mean the vehicle is entering a phase where more significant maintenance on wear-and-tear items is expected. Prospective buyers should pay close attention to the reported oil leaks, which have been noted as non-excessive in both May 2025 and May 2026. During a test drive, it is advisable to monitor for any changes in engine note or the smell of burning oil, which could indicate the leak is progressing or affecting exhaust components. The advisory regarding the corroded nearside rear coil spring should be treated with caution; any audible knocking, clunking, or metallic banging sounds when driving over speed bumps or uneven surfaces could indicate that the corrosion has compromised the spring's structural integrity. The condition of the braking system and tyres also warrants physical inspection. With the rear brake discs recorded as worn, pitted, or scored in the latest test, a test drive should include several firm braking applications to check for pedal judder or any pulsating sensation through the brake pedal, which can indicate disc thickness variations or warping. Additionally, given the history of tyres being recorded as worn close to the legal limit or having damage such as nails, the current tread depth and the presence of any uneven wear patterns on the inner or outer edges should be verified to ensure the steering remains stable and the vehicle does not pull to one side.