2016 Mercedes-Benz C 2.1L Diesel · DX66 ONG

The vehicle’s most recent MOT test, conducted on 26 May 2025 at 94,407 miles, confirms it remains roadworthy with no defects recorded. Over the past three annual tests—all passing without fail—there is no evidence of recurring mechanical issues or worsening conditions. The absence of advisories or repeated failures suggests the vehicle has been maintained consistently, though the record does not reveal service intervals or private maintenance history. The latest test was conducted just over two years ago, which is within the standard MOT validity period, but given the vehicle’s age and mileage, a thorough pre-purchase inspection is essential to verify components not routinely checked under MOT regulations. The mileage progression indicates typical usage for a vehicle of this age, averaging around 9,400 miles annually. There are no abrupt jumps or prolonged periods of inactivity between tests, though the record does not account for potential off-cycle servicing or extended storage. The gap between the 2023 and 2024 tests—approximately 12 months—aligns with standard MOT intervals, and the absence of a failed test immediately before the 2023 pass suggests no urgent repairs were deferred. However, the near-identical mileages on the 22 May 2023 tests (80,836 and 80,838 miles) imply the vehicle may have been stationary or lightly used during that period, which could affect suspension compliance or fluid degradation. Given the lack of recorded defects, priority should be given to inspecting high-wear components not covered by MOT, such as suspension bushes and coil springs for excessive play or corrosion, particularly around wheel arches and sills. The brakes, while not flagged in MOTs, should be scrutinised for uneven wear, binding calipers, or corrosion on disc surfaces, as repeated braking loads at this mileage can compromise structural integrity. Additionally, the exhaust system—especially at rear suspension mounts—should be checked for leaks or loose hangers, as emissions tests have not identified any failures. Finally, the underbody should be examined for signs of rust penetration, particularly around the sills and wheel housings, where moisture accumulation accelerates deterioration over ten years.