2015 Mercedes-Benz C 4.0L Petrol · MY63 SON

This Mercedes-Benz C has maintained a consistent roadworthiness record over the past four MOT cycles, with every test—including the most recent on 4 April 2026—resulting in a clean pass with no defects or advisories. The absence of recurring issues across these intervals suggests the vehicle has been subjected to either disciplined servicing or has inherently resilient components for its age. However, the final test date of April 2026 is now over four months out of date, placing the vehicle outside the 12-month MOT validity window as of 21 August 2026. This alone necessitates an immediate retest before any purchase, as the current legal requirement for roadworthiness is no longer satisfied. The recorded mileage of 61,804 miles over approximately 11 years—around 5,600 miles annually—indicates unusually light usage for a vehicle of this age. The gap between tests, particularly the 11-month interval between the January 2022 and October 2023 MOTs, aligns with the standard 12-month cycle, but the overall low mileage could imply periods of inactivity rather than consistent driving. Such low mileage may mitigate some wear concerns, but it also raises questions about fluid changes, brake pad replacement cycles, and suspension component degradation, as these are often time-based rather than mileage-dependent. The lack of advisories or defects in prior tests does not preclude underlying issues that might only manifest under higher mileage or varied driving conditions. Given the clean MOT history, a buyer should prioritise a thorough inspection of high-wear items that are not directly tested in the MOT but are critical to long-term reliability. Focus on the suspension, particularly the condition of coil springs, bushes, and damper seals, as these are prone to fatigue even with low mileage. The braking system—including rear caliper binding (a common silent failure) and front/rear disc thickness—should be checked, as wear can accelerate without heavy use. Examine the subframe and sills for corrosion, especially in the UK climate, and verify the integrity of the exhaust system for leaks or structural weakening. The lack of advisories in recent tests does not guarantee these components are in perfect condition, so visual and functional checks are essential. Finally, confirm the service history for fluid replacements (brake, coolant, transmission) and timing belt status, as these are not covered by the MOT but directly impact mechanical longevity.