2012 Mercedes-Benz C 1.6L Petrol · KP62 FPN

The vehicle’s most recent MOT tests, conducted on 2025-11-22 at 143,187 miles , reveal a concerning pattern of two consecutive failures despite no recorded defects. This suggests either a tester error or a systemic oversight in the inspection process, as both entries list "No defects recorded" while the vehicle failed. The prior MOT in 2024-10-29 at 119,580 miles followed the same pattern—two tests, both passing with no faults—indicating this anomaly is not isolated. Without visible defects or advisories in the records, the failures may stem from emissions testing inconsistencies or minor non-critical issues that slipped through. However, the lack of any advisories in the 2023-11-07 test at 104,481 miles implies the vehicle has not suffered progressive mechanical degradation. The trend remains stable but unexplained , with no clear evidence of worsening conditions. The mileage progression of 143,187 miles over 14 years averages 10,228 miles per year , a rate consistent with typical usage for this vehicle’s age. There are no significant gaps in service intervals, though the 2024-2025 period shows a 23,607-mile accumulation —a 23% increase over the prior year’s 18,939 miles —which may suggest either heavier usage or a period of inactivity followed by rapid mileage buildup . The absence of advisories or recurring faults in earlier tests suggests the vehicle was maintained at a basic level, with no obvious neglect. However, the sudden spike in mileage between 2024 and 2025 warrants scrutiny of suspension bushes, coil springs, and brake caliper wear , as these components degrade more rapidly under accelerated usage. Given the lack of advisories or defects in the MOT history, the most critical areas for an in-person inspection should focus on structural integrity and high-wear components . The suspension system , particularly the rear bushes and coil springs , should be examined for excessive play or corrosion , as these are common failure points in high-mileage Mercedes-Benz models. Brake discs and calipers —especially the rear—must be checked for thickness variation or binding , as the 2025 failures could imply a minor brake-related issue that was either overlooked or resolved inconsistently. Exhaust emissions systems , including the DPF (if applicable) and catalytic converter , should be inspected for clogging or leaks , as these are frequent causes of MOT failures without visible mechanical defects. Finally, underbody corrosion around the subframe and sills should be assessed, as this is a critical but often overlooked risk in vehicles of this age. The absence of advisories in the MOT history is reassuring, but the repeated failures in 2024 and 2025 demand further clarification. A buyer should request service records to confirm whether brake fluid changes, suspension servicing, or emissions diagnostics were performed between tests. The 2025 failures suggest a potential emissions or minor brake issue that was not consistently addressed, so verifying recent maintenance is essential. Without additional documentation, the vehicle’s roadworthiness remains dependent on thorough mechanical verification beyond the MOT’s scope.