2011 Mercedes-Benz C 6.2L Petrol · LL61 PWN

The vehicle most recently passed its MOT on 13 December 2024, following a minor failure concerning a non-functional horn. The overall maintenance trend appears stable, with a consistent history of passes and no major mechanical or structural failures recorded over the last several years. The recurring advisory regarding the engine covers and under trays suggests these components are present but may require tightening or are not perfectly seated, though they have not progressed to a failure point. With 87,211 recorded miles over a fifteen year period, the vehicle has averaged approximately 5,814 miles per year. This is significantly lower than the national average for a vehicle of this age. While low mileage typically indicates less wear on the internal engine components and drivetrain, it often suggests periods of prolonged standing or very short journeys, both of which can introduce specific mechanical vulnerabilities that differ from high-mileage wear. Given the low annual usage and the age of the car, a physical inspection should prioritise the condition of the rubber components. You must check the tyre sidewalls for fine cracking or perishing, as tyres often expire due to age before the tread is worn down. Similarly, inspect the suspension bushes and coil springs for signs of drying or corrosion. During the test drive, listen for clunks over uneven surfaces and feel for any brake shudder or pulling, which could indicate binding calipers or pitted brake discs resulting from infrequent use. It is essential to verify the service history to ensure that fluids have been changed based on time intervals rather than mileage alone. Engine oil, brake fluid, and coolant degrade over time regardless of distance travelled. Check the 12V battery health and look for signs of corrosion on the underbody, particularly in areas where moisture may have trapped against the chassis during periods of inactivity. Finally, ensure the engine under trays mentioned in the advisories are securely fastened to prevent them from loosening further during motorway speeds.