2012 Mercedes-Benz C 2.1L Diesel · FN12 LPL

A continuous run of clean MOT results defines the mechanical standing of this 2012 Mercedes-Benz C-Class, with the most recent assessment on 6 January 2026 returning a pass and no advisories recorded, mirroring the same outcome from the previous three annual tests in 2025, early 2024, and early 2023. The only interruption to this otherwise unbroken record of roadworthiness is a single failure logged on 30 January 2023, but notably without any defect entries against the test, suggesting an administrative or minor issue that was rectified immediately and re-presented just five days later on 4 February 2023, when it passed cleanly. The absence of recurring advisories for corrosion, suspension wear, brake component degradation, or exhaust integrity across five consecutive tests suggests the vehicle has either been maintained proactively or has not yet accumulated the specific wear patterns commonly seen on high-mileage Mercedes chassis of this vintage. There is no DVSA evidence of chronic defects or escalating mechanical concerns within the recorded test history. Against an age of fourteen years, the recorded mileage of 128,902 miles equates to an annual accumulation of roughly 9,207 miles, which sits comfortably within the typical usage band for a vehicle of this profile. There are no extended gaps in the testing record that would imply a prolonged period off the road, and the consistent year-on-year presentation for MOT indicates regular operation rather than long stationary lay-ups. From a mechanical standpoint, this steady mid-range usage pattern is generally favourable, as it tends to keep drivetrain seals lubricated, prevents the moisture accumulation associated with stationary brake systems, and avoids the load-bearing stress on suspension components that very high annual mileages impose. The mileage progression implies that consumable items such as brake discs, pads, and tyres will have been replaced multiple times during the vehicle's life, though without advisory evidence the condition of these items at the point of sale cannot be confirmed solely from the MOT record. For a prospective buyer, the lack of any flagged suspension components across five tests means particular attention should be paid on a test drive to the front lower wishbones, control arm bushes, and anti-roll bar drop links, which are known wear items on the W204 C-Class chassis at this mileage. Any knocking or clonking over uneven road surfaces, wandering steering, or uneven tyre wear across the front axle would warrant closer inspection underneath, as the MOT would only flag components once they had reached a defined failure threshold rather than at the first sign of play. Given that no brake-related advisories appear in the history, a thorough check of brake pedal feel, response under load, and any pulling to one side under braking is sensible, alongside a visual inspection of the discs for lipping or scoring, which can develop rapidly on a vehicle that has covered this sort of mileage on urban cycles. The clean emissions and exhaust history is reassuring for a petrol or diesel unit of this age, but the high overall mileage means a compression test or oil pressure verification would be prudent if the engine specification warrants it, particularly listening for any timing chain rattle on cold start which is a documented concern on certain Mercedes four-cylinder petrol engines of this era. With no advisories logged for fluid leaks or corrosion on structural elements, a thorough underbody examination remains worthwhile, paying close attention to the subframe mounting points, rear axle components, and any surface rust beginning to form on brake pipes or fuel lines. Finally, given the unbroken pattern of clean passes, the vehicle presents a credible mechanical foundation, but a pre-purchase inspection by a Mercedes specialist or independent engineer would still be the most prudent step to confirm the condition of items the MOT does not cover, such as the automatic transmission, engine internals, and the full state of the suspension and braking components beneath the car.