2011 Mercedes-Benz B-Class 2.0L Diesel · WK11 FKB

The Mercedes-Benz B-Class in question presents a stable roadworthiness record over its recent MOT history, with no defects logged in any of the five tests spanning November 2021 to November 2024. The sole anomaly is the back-to-back pass and fail at 129,750 miles in November 2024—a procedural irregularity rather than a mechanical one, given the absence of recorded faults. This consistency suggests the vehicle has either been well-maintained by previous owners or has benefited from luck in avoiding major component failures. The most recent pass in November 2024, just eight months prior to today, confirms it currently meets all DVSA minimum standards for emissions, lighting, and structural integrity. However, the lack of advisories or minor defects in the record is unusual for a vehicle of this age and mileage, raising the possibility of selective MOT history or potential deferred issues not yet surfaced. The mileage accumulation of 8,650 miles per year aligns closely with the average for a 15-year-old vehicle, though the data reveals a slight but steady increase in annual mileage—from 9,505 miles between 2021 and 2022 to 10,757 miles between 2023 and 2024. There are no concerning gaps or spikes; the progression is linear and predictable. The absence of rapid mileage jumps or prolonged periods of inactivity implies consistent, if not particularly heavy, use. That said, the clean MOT history contrasts with typical wear patterns for this model at this stage, where minor advisories for suspension bushes, brake fluid condition, or tyre wear might be expected. Buyers should treat this as a red flag for potential underreporting of maintenance. Given the lack of recorded faults, a prospective purchaser should prioritise a thorough pre-purchase inspection focusing on high-wear components that often escape MOT scrutiny. Pay particular attention to the suspension—specifically the condition of coil springs, anti-roll bars, and rubber bushes—since these degrade over time and can compromise handling. Check for binding or uneven wear on brake discs and pads, as well as the condition of brake fluid and hydraulic lines, given the vehicle’s age. Structural integrity is another critical area; inspect for corrosion in wheel arches, sills, and underbody panels, especially if the car has been garaged in damp conditions. The exhaust system should also be examined for leaks or rust, as these can lead to elevated emissions and eventual MOT failure. While the MOT history suggests no immediate risks, these components are the most likely to reveal deferred maintenance or latent issues.