2009 Mercedes-Benz C 3.0L Diesel · OV58 SSZ

The most recent MOT test, conducted on 2026-09-01, has not yet been recorded in the provided history, but the preceding tests from 2020 to 2023 show a consistent trend of passing without defects, with only one advisory noted in 2020. This advisory pertains to the offside front shock absorbers, which exhibited light misting of oil or a diminished damping effect. While this advisory does not affect roadworthiness, it indicates a gradual degradation in the shock absorber’s performance over time, suggesting wear beyond the point of failure but not critical to immediate safety. The absence of subsequent failures or advisories on the same component in later tests implies that the issue may have stabilised or that the vehicle’s maintenance has mitigated further deterioration, though vigilance remains warranted. The vehicle’s recorded mileage of 166,286 miles, spread over approximately 17 years, reflects a moderate annual usage rate of around 9,782 miles per year. This rate is typical for a car of its age and class, particularly if it has been used primarily for commuting or light road travel rather than high-mileage driving. The lack of significant mileage spikes or prolonged periods of inactivity suggests that the vehicle has not been subjected to extreme wear conditions, such as heavy off-road use or prolonged idling, which could accelerate component failure. However, the consistent mileage accumulation over time means that all major wear items—such as suspension bushings, brake pads, tyres, and drivetrain components—will have reached or passed their expected service life, necessitating a thorough inspection to identify any hidden or emerging issues. Given the clean MOT history aside from the single 2020 advisory, the most critical areas for the prospective buyer to inspect are the suspension and braking systems, as these are the most likely to have reached or exceeded their expected lifespan at this mileage. Focus on the front offside shock absorber, which the advisory suggests may be compromised; during a test drive, listen for unusual clunking or excessive bounce when driving over bumps, and check for uneven suspension travel or a softer-than-normal ride. Additionally, inspect the front offside wheel bearings for excessive play or grinding noises, which could indicate impending failure. The brake system should be checked for signs of uneven wear on the discs or pads, particularly on the offside front, and listen for any grinding or squealing when applying the brakes, as this could signal warped discs or worn linings. Calipers should be inspected for binding or excessive heat, which may suggest hydraulic issues or seized components. Beyond the suspension and braking systems, the buyer should also conduct a comprehensive visual and functional inspection of the vehicle’s structural integrity and fluid condition. Given the vehicle’s age, examine the tyres for sidewall cracking or perishing, which can compromise their structural integrity and increase the risk of sudden failure. Check the tyre tread depth, ensuring it meets the legal minimum of 1.6mm across the central ⅔ of the tread, and verify that the tread pattern is not excessively worn or uneven. The 12V battery should be tested for voltage output and overall health, as older batteries can fail unexpectedly, leading to starting difficulties or electrical system malfunctions. The engine oil and coolant should be checked for contamination or degradation, with the oil level and condition assessed for metallic particles or sludge, which could indicate internal engine wear. Finally, the exhaust system should be inspected for corrosion, particularly around the catalytic converter and mufflers, as rust and structural damage can compromise emissions performance and safety. If the vehicle has been stored for prolonged periods, check for standing corrosion on the undercarriage, particularly around the wheel arches, exhaust pipes, and fuel system components, as moisture and salt can accelerate rust formation.