2010 Mercedes-Benz C 3.0L Diesel · OV10 PNN

The most recent MOT test on the 2010 Mercedes-Benz C-class, conducted on 2026-07-20, resulted in a passing grade, though several advisories were noted. The overall maintenance trend over the past six years shows a pattern of gradual deterioration rather than improvement, with recurring issues such as wheel bearing play, tyre damage, and minor suspension linkage failures persisting or re-emerging. The 2022 MOT failure for a severely deteriorated front anti-roll bar linkage ball joint dust cover highlights a critical structural failure that, if ignored, could lead to premature wear or catastrophic suspension failure, underscoring the importance of addressing these recurring advisories promptly. While the vehicle has passed subsequent MOTs, the persistence of these advisories suggests underlying wear progression that warrants closer attention during a pre-purchase inspection. The vehicle’s recorded mileage of 146,139 miles over approximately 16 years equates to roughly 9,134 miles annually, which is within the expected range for a car of this age and usage profile. However, the absence of a service history or clear evidence of regular maintenance suggests potential neglect, particularly given the high mileage. Higher mileage typically accelerates wear on consumables like brake pads, suspension components, and wheel bearings, which aligns with the advisories observed in the MOT records. The 2021 MOT’s warnings about rear tyres worn close to the legal limit and brake pipe corrosion further imply that the vehicle has undergone significant use, potentially leading to compromised braking performance or increased road noise if the bearings remain unaddressed. For a prospective buyer, the most critical areas to inspect during a thorough examination include the front and rear wheel bearings, which show persistent slight play in the latest MOT. Listen for unusual grinding or whining noises during acceleration, braking, or cornering, as these could indicate bearing failure. Visually check for oil leaks around the wheel hubs, particularly near the front anti-roll bar linkage, where the 2022 failure was recorded. The rear tyres, already showing signs of wear and cracking, should be closely inspected for sidewall damage, which can compromise tyre integrity and safety. Additionally, examine the brake system for signs of corrosion on the rear brake pipes, as this could lead to reduced braking efficiency or leaks. Beyond the MOT advisories, the vehicle’s age and mileage necessitate a focus on fluid condition and structural integrity. Given the lack of a service history, verify the condition of the engine oil, transmission fluid, and coolant, as these fluids degrade over time and can lead to engine damage or transmission failure if not replaced. Check the 12V battery for signs of corrosion or poor connections, as standing vehicles are particularly prone to battery failure due to sulphation. Inspect the suspension components, including coil springs and shock absorbers, for signs of sagging or excessive bounce, which could indicate wear or failure. Finally, assess the exhaust system for excessive smoke emissions, as noted in the 2025 MOT, which may suggest fuel or oil contamination in the combustion chamber or an issue with the exhaust manifold or turbocharger. A thorough inspection of the exhaust for leaks or discolouration of the catalytic converter is also advisable.