2016 Mercedes-Benz B-Class 1.5L Diesel · HT16 LBJ

The Mercedes-Benz B-Class in question presents a stable roadworthiness profile, with no defects recorded across its most recent MOT tests in March 2026 at 49,251 miles. Both the pass and fail entries on the same date suggest a minor administrative error rather than a mechanical issue, as no advisories or failures were logged. The consistency of clean MOT results over the past two years—including the 2025 test at 46,981 miles and the 2024 entries at 44,914 and 44,954 miles—indicates that the vehicle has been maintained to a high standard, at least in terms of compliance with basic roadworthiness criteria. There is no evidence of recurring defects that would suggest deteriorating mechanical health, though the absence of advisories does not preclude the need for a thorough pre-purchase inspection. The vehicle’s mileage of 49,251 miles over approximately 10 years reflects very light use, averaging just under 4,925 miles annually. This low mileage could imply either infrequent driving or prolonged periods of inactivity, which may have contributed to reduced wear on consumables. The gap between the 2024 and 2025 tests—where mileage increased by just 2,030 miles in roughly 11 months—further supports this observation. Such low annual mileage often correlates with less stress on suspension components, brake systems, and drivetrain wear, though it may also mask potential issues like fluid degradation or seized bearings if the vehicle has been stored for extended periods without use. Given the clean MOT history, a prospective buyer should prioritise a detailed inspection of components typically prone to neglect in low-mileage vehicles. Particular attention should be paid to the suspension—specifically the condition of coil springs, anti-roll bars, and bushings—since prolonged inactivity can lead to corrosion or stiffness. The brake system, including calipers, discs, and hydraulic lines, should be checked for binding, fluid leaks, or uneven wear, even if no MOT advisories were recorded. Additionally, the exhaust system and underbody should be scrutinised for signs of corrosion, as moisture accumulation from infrequent use can accelerate rust development in critical structural areas. While the MOT record offers reassurance, a pre-purchase inspection by a qualified mechanic remains essential to verify the absence of hidden issues.