2005 Mercedes-Benz A-Class 2.0L Diesel · FN05 WGC

The vehicle most recently passed its MOT on 25 March 2026, but the overall maintenance trend is currently declining. While the car enjoyed a period of clean passes between 2021 and 2023, the records from 2024 onwards show a steady accumulation of advisories and minor defects. The transition from a clean history to recurring issues with brake pipes, suspension components, and drive shaft boots indicates that the vehicle is entering a phase of age-related deterioration that requires more proactive intervention. With a recorded mileage of 111,072 miles over 21 years, the vehicle has averaged approximately 5,289 miles per year. This is considered low for its age, which typically suggests lighter usage but can introduce specific mechanical risks. For a diesel engine of this era, low annual mileage often leads to carbon accumulation within the exhaust system and diesel particulate filter, as evidenced by the major failure for visible smoke in April 2024. Prospective buyers should be aware that low-use vehicles are often more susceptible to rubber perishing and fluid degradation than those driven regularly. Particular attention must be paid to the nearside rear brake pipe, which has been flagged for corrosion across multiple consecutive tests. This is a critical safety item; you should inspect the pipework for heavy scaling or pitting and verify if any remedial work has been carried out since the last advisory. Additionally, the history of deteriorated constant velocity boots on both the nearside and offside front drive shafts suggests a pattern of rubber failure. During a test drive, listen for rhythmic clicking or popping sounds when turning the steering wheel at full lock, as this indicates that the joints have been contaminated and are wearing prematurely. The front shock absorbers have previously shown signs of oil misting, which is a precursor to total failure. Listen for suspension clunks over uneven surfaces and observe the vehicle for excessive oscillation after a bump. Given the 2021 dangerous failure involving structural tyre tears, it is imperative to check the current tyres for sidewall cracking or perishing, regardless of the remaining tread depth. Finally, ensure the service history confirms regular oil changes and that the diesel particulate filter is functioning correctly, as the previous exhaust failure suggests the system may struggle if the car is primarily used for short, urban journeys.