2017 Mercedes-Benz C 2.1L Diesel · MD66 AEV

This Mercedes-Benz C from 2017 has demonstrated a stable roadworthiness trend over the past three MOT cycles, with all tests since April 2022 passing without defects. The most recent inspection in April 2024, at 63,077 miles, confirms no outstanding issues, though the lack of advisories or defects across multiple tests suggests either meticulous maintenance or deferred attention to minor wear. The single failure in January 2021—though recorded at the same mileage—appears anomalous, as it was followed by an immediate retest that passed, indicating a procedural oversight rather than a recurring mechanical flaw. That said, the absence of any advisories in later tests implies no unresolved concerns were carried forward. The mileage progression reveals a consistent annual average of approximately 7,000 miles, which aligns with typical usage patterns for this age of vehicle. There are no significant gaps or abrupt spikes in mileage between tests, though the interval between the January 2021 failure and the April 2022 pass—just over a year—is unusually long for a vehicle that had already accumulated 33,479 miles. This may reflect either a temporary storage period or a delayed retest after the initial failure. No advisories in subsequent tests suggest any critical components were neglected during this period. Given the clean MOT history, a prospective buyer should prioritise a thorough inspection of high-wear items that often fall outside MOT scrutiny. The suspension—particularly rear coil springs and bushes—should be checked for uneven wear or binding, as these are common points of failure in Mercedes-Benz models of this era. Brake calipers and pads, while not flagged in MOTs, may exhibit uneven wear due to the vehicle’s age and mileage, so binding or uneven pad thickness should be verified. Additionally, the exhaust system and underbody should be inspected for corrosion, especially around the rear subframe and exhaust manifolds, as these areas are prone to deterioration in vehicles with typical UK road exposure. The absence of advisories in recent tests does not preclude gradual degradation in these areas.