2009 Mercedes-Benz A-Class 2.0L Diesel · LS59 SNF

The most recent MOT test on this 2009 Mercedes-Benz A-Class was conducted on 2025-02-06, resulting in a passing outcome. However, the vehicle’s MOT history reveals a pattern of recurring issues rather than a consistent improvement. The most critical failure in the past year was the major defect of worn brake pads to the wear indicator in February 2025, alongside a non-functional horn, which both necessitated immediate attention. While subsequent tests in February 2025 and January 2024 showed minor defects—such as loose mirrors, damaged windscreen areas, and corroded brake pipes—these do not suggest a dramatic deterioration but rather persistent, low-level wear and tear. The presence of advisories, particularly around brake pipe corrosion and tyre perishing, indicates ongoing maintenance needs that have not been fully addressed, suggesting either inconsistent servicing or underlying wear progression that requires proactive intervention. The recorded mileage of 120,566 miles for a vehicle aged approximately 17 years represents a moderate annual usage rate of around 7,092 miles per year, which is typical for its class. This level of usage does not inherently indicate excessive wear, but it does mean that consumables, suspension components, and drivetrain elements have accumulated significant exposure over time. The absence of extreme mileage spikes or sudden increases suggests steady, albeit not necessarily light, use. However, the vehicle’s history of minor failures—particularly the shock absorber fluid leak in 2021—could imply that some components, such as suspension bushes or seals, have reached critical thresholds where maintenance or replacement is advisable before further degradation occurs. The potential for standing corrosion, particularly in the brake pipes and undercarriage, should also be considered, as prolonged inactivity can exacerbate rust formation. Given the recurring advisories and major failures in the MOT record, the buyer should prioritise a thorough mechanical inspection before purchase. Focus on the brake system first, as the worn pads and corroded brake pipes indicate that the caliper operation, disc thickness, and hydraulic function must be verified. Listen for uneven brake pedal travel, a spongy or soft feel, or grinding noises during a test drive, which could signal binding calipers, warped discs, or failing brake fluid. The suspension should be checked for excessive play, clunking noises from worn suspension bushes or broken coil springs, and any signs of fluid leaks around the shock absorbers or struts. The corroded brake pipes merit inspection for structural integrity, as internal rust can compromise their strength and lead to leaks or failure under pressure. Additionally, the vehicle’s tyre condition is a critical concern, with advisories of perishing or cracking on the offside rear tyre. Inspect the sidewall for signs of cracking, perishing, or dry rot, which can compromise tyre integrity and lead to sudden failure. Given the age of the vehicle, the 12V battery should be tested for charge retention and overall health, as older batteries in stationary conditions can suffer from deep discharge or corrosion. The windscreen’s damage, while not severe, should be evaluated for any hidden cracks or delamination that could affect visibility or structural integrity. Finally, since the vehicle has not undergone a full service in recent years, consider checking the service book for the last scheduled oil change, filter replacement, and fluid top-ups, as calendar-based fluid servicing (e.g., brake fluid, coolant) is essential for a 17-year-old vehicle, even with moderate mileage. If the service history is incomplete, a professional inspection should confirm that all fluids are at optimal levels and that no hidden wear has occurred due to neglect.