2015 Mercedes-Benz C 2.1L Diesel · OY65 RYR

The most recent MOT test on 2026-06-18 resulted in a passing grade, though it was accompanied by several persistent advisories that indicate ongoing wear and potential long-term concerns. The vehicle’s maintenance history shows a pattern of recurring suspension-related issues, particularly with the front lower suspension arm ball joints and rear suspension arm pins or bushes, which were flagged as worn or excessively worn in multiple tests, including a major failure in 2023. While the 2025 and 2026 tests did not classify these as critical defects, their persistence suggests that these components are nearing or beyond their operational lifespan, particularly given the high mileage and the vehicle’s age. The brake system also warrants attention, with fluctuating front service brakes and thin rear brake pads, which could lead to reduced stopping performance if not addressed promptly. The presence of a headlamp aim failure in 2025 further highlights the need for regular checks on lighting systems to ensure compliance and visibility. The recorded mileage of 136,432 miles for a vehicle aged approximately 11 years represents a usage rate of around 12,403 miles annually, which is significantly higher than the average for its class and age. Such high mileage accelerates wear on critical systems like the suspension, brakes, and drivetrain, as evidenced by the MOT history. The rapid accumulation of miles may also indicate frequent use, potentially leading to increased stress on components such as the differential, exhaust system, and engine mounts. Additionally, the vehicle’s history of standing for extended periods—suggested by lower mileage in earlier years—could have contributed to issues like corrosion on brake components, standing fluid degradation in hydraulic systems, or perishing of rubber seals and gaskets. The contrast between the high-mileage years and periods of lower usage further underscores the importance of a thorough inspection to identify any hidden wear or damage from prolonged inactivity. For a prospective buyer, this vehicle requires a meticulous mechanical and visual inspection to assess the severity of the known advisories and identify any additional wear or damage. Focus on the suspension system first, particularly the front lower suspension arms and rear upper suspension arms, as the MOT history indicates severe wear in these areas. Look for signs of excessive play or binding when moving the vehicle laterally or by hand, and listen for clunking or rattling noises, especially at road speeds or when cornering. The front brake system should be inspected for uneven wear patterns, which may indicate misalignment or warping, and check for any signs of fluid leakage around the brake calipers or master cylinder. The rear brake pads are notably thin, so verify that the discs are not significantly worn or grooved, and ensure the hydraulic system is functioning without sponginess or excessive brake pedal travel. Beyond the suspension and brakes, examine the tyres closely, as the advisories on tyre wear—particularly the outer and inner edges—suggest either underinflation, misalignment, or excessive camber angles. Inspect for uneven tread wear, which could indicate suspension or steering issues. The differential leaking noted in 2023 is a critical concern; check for oil stains under the vehicle and listen for unusual noises from the rear axle, especially during acceleration or when the engine is cold. The vehicle’s age and high mileage also necessitate attention to fluid degradation, so test the condition of the engine oil, brake fluid, and coolant, ensuring they meet the manufacturer’s specifications and have not turned dark or contaminated. Finally, verify the structural integrity of the vehicle, particularly around the suspension mounts and exhaust system, as prolonged exposure to road debris or environmental elements can exacerbate wear. A thorough test drive should include checks for handling stability, steering responsiveness, and any signs of vibration or unusual noises, which could indicate deeper mechanical issues. If the vehicle has been stored for extended periods, also inspect for corrosion on metal components, particularly in the wheel arches, undercarriage, and brake components, as standing water and humidity can accelerate rust formation.