2016 Mercedes-Benz E 2.1L Diesel · MX66 AHF

The vehicle’s most recent MOT test on 2025-11-26 passed without defects, though it was preceded by a failure on the preceding day at the same mileage—an anomaly that suggests either a temporary administrative oversight or a minor, non-recurring issue resolved between tests. The pattern over the past three years shows no consistent mechanical failures, with all tests passing cleanly. However, the back-to-back pass/fail at identical mileages in November 2025 warrants scrutiny, particularly if the failure was for a non-critical advisory that might recur. Beyond that, the absence of advisories or defects in prior tests indicates the vehicle has not suffered from persistent structural or drivetrain concerns, though this does not preclude hidden wear. The recorded mileage of 54,026 miles at the latest test represents an exceptionally low annual average of approximately 5,400 miles over the vehicle’s ten-year lifespan. This suggests either minimal usage or prolonged periods of inactivity, which can accelerate certain forms of wear—particularly in suspension components, brake systems, and fluid degradation—even if the MOT record shows no overt failures. The gap between tests remains consistent at one year, with no evidence of rapid mileage accumulation or extended periods between services, though the lack of service records means internal maintenance history remains unverified. Given the clean MOT history, the primary focus for an in-person inspection should centre on suspension integrity, particularly rear suspension bushes and coil springs, which often degrade more rapidly in low-mileage vehicles due to age-related material fatigue. The brakes, while not explicitly failed, should be examined for uneven wear or binding calipers, especially if the November 2025 failure (if any) related to braking performance. Structural corrosion, particularly around wheel arches and sills, should also be checked, as prolonged standing can exacerbate rust despite low mileage. Finally, fluid levels and condition—brakes, power steering, and coolant—should be verified, as these degrade over time regardless of usage. The absence of advisories does not guarantee these areas are flawless, but it does suggest no immediate, overt risks.