2010 Mercedes-Benz A-Class 2.0L Diesel · ST03 HHT

A 2010 Mercedes-Benz A-Class at 141,248 miles carries a mixed roadworthiness profile dominated by a recurring front brake pipe and front suspension issue, alongside two separate MOT failures for an illuminated engine management warning lamp. The most recent test on 1 July 2026 produced a clean pass with no advisories or defects recorded, immediately following a dangerous failure on the same date for a rear exhaust silencer likely to become detached, which suggests the vehicle was repaired and re-presented. Prior to that, an April 2025 pass carried three advisories relating to an inoperative offside front fog light, a non-excessive oil leak, and parking brake efficiency only just being met. The April 2024 test was a failure with major defects against the engine MIL, a nearside front shock absorber with a serious fluid leak, and both front brake pipes recorded as excessively corroded, with a follow-up pass five days later retaining only the registration plate lamp minor. A look back to 2022 and 2023 shows a consistent stream of advisories for front brake pipe corrosion, front suspension arm ball joint play, and rear tyre perishing, indicating a vehicle with established wear patterns rather than isolated incidents. Annual mileage works out at roughly 8,828 miles per year, which is broadly typical for a 16 year old car of this class and points to consistent rather than sporadic use. There are no significant gaps in the recorded MOT history, with tests appearing in 2022, 2023, 2024, 2025 and 2026, suggesting the vehicle has remained in regular service throughout the period covered by the records. The steady accumulation of mileage combined with repeated advisories on the same components is consistent with a car that has covered a substantial working life on UK roads, where exposure to winter salt and surface moisture accelerates corrosion on underbody components. Mechanically, this level of usage typically means that consumable items such as brake pads, discs, tyres, suspension bushes and exhaust mounting rubbers will have been replaced multiple times, while the underlying structure and pipework may be approaching the point at which further deterioration becomes likely. A prospective buyer should pay particular attention to the front brake pipe and front suspension components, as these are the most chronic items in the record. Both nearside and offside front brake pipes were flagged as corroded and then progressed to a major failure in 2024, so any test drive should include firm pedal applications from speed to check for a soft or spongy feel, any pulsation through the pedal, or visible fluid leaks beneath the engine bay or along the underside of the car. The offside front suspension arm ball joint was also recorded with slight play on two consecutive tests, so listen for knocking or clonking noises from the front end, particularly over speed humps, potholes, or uneven surfaces, and feel for any vagueness or rattle through the steering wheel. The nearside front shock absorber was flagged with a serious fluid leak in 2024, so on the road the car should be checked for excessive bouncing after a bump, nose dive under braking, or any uneven ride height across the front axle. The engine management warning lamp, which has been recorded as failing on two separate occasions in 2022 and 2024, is a further area worth investigating before purchase. Ask for evidence of any diagnostic work carried out, as intermittent MIL illumination on a high mileage petrol A-Class can relate to lambda sensors, ignition coils, air mass meters or catalytic converter efficiency rather than a single definitive fault. The recent oil leak advisory and the exhaust silencer detachment failure also warrant a close under-bonnet and under-vehicle inspection, looking for fresh oil residue around the engine sump and rocker cover, and checking that the rear exhaust box and its mounting rubbers are securely fastened with no signs of blowing joints. Finally, given the brake pipe corrosion history, a thorough inspection of the underbody for surface rust, particularly along chassis rails, the subframe and suspension arms, would be prudent before committing to purchase.