2016 Mercedes-Benz A-Class 1.5L Diesel · HJ66 BWB

The defining mechanical story of this A-Class centres on a pattern of front-end wear and tyre management issues rather than any single catastrophic failure. Across the recorded DVSA history there are two failures, both of which carry a clear pattern: a dangerous exposed-cord tyre in 2021 and a pair of headlamp aim defects recorded as a fail in 2023. Surrounding these failures, the advisories are dominated by front brake pads wearing thin and lipped front discs in 2023, near-side front suspension ball joint play and another near-side front tyre edge wear advisory in 2024, plus a further offside rear tyre edge wear advisory and a TPMS warning in 2025. This is a vehicle that has consistently passed the test but with a steady stream of advisories clustered around the front axle, the steering and suspension geometry, and the tyres. The latest test on 3 October 2025 was a pass, and while the record shows no recurrence of the previously failed headlamp aim issue, the front ball joint play and tyre edge wear are new advisories that warrant direct physical inspection before purchase. Mileage accumulation across the recorded tests appears broadly consistent with a vehicle of this age in normal service. Annual mileage of roughly 9,000 to 10,000 miles places this A-Class firmly in the average band for a 2016 car, with no evidence of extended gaps in testing or unusually low accumulation that would suggest long periods of standing. The 2021 to 2025 sequence shows tests conducted annually without interruption, indicating continuous road use rather than a laid-up history. At 91,472 miles on a 2016 Mercedes-Benz, the engine, transmission and ancillaries are into the middle of their working life, and the MOT record supports the assumption of regular rather than sporadic use. There is no mileage gap that would trigger concern about seized brakes, perished fuel lines, or a discharged battery from standing, which is consistent with the relatively limited advisories relating to corrosion or component degradation. For a prospective buyer, the front-end advisories should be the priority focus of any inspection. The near-side front suspension arm ball joint play flagged in the 2025 test is the most mechanically significant advisory on the file, and on a road test it is worth listening for clonks or knocking from the front suspension over speed humps, catseye sections, and uneven tarmac, as well as feeling for vagueness or rattle through the steering wheel on rough surfaces. A second key area is the braking system, with 2023 advisories for thin front pads and lipped front discs, which on a ten-year-old car with nearly 92,000 miles will almost certainly have required replacement since and should be confirmed via a physical inspection of pad material thickness, disc lip depth, and any scoring or corrosion on the disc surface. During a test drive, watch for brake judder under firm pedal application, any grinding or squealing on light braking, and a soft or inconsistent pedal feel that could indicate a binding or partially seized caliper. The tyre edge wear advisories across three consecutive tests are also worth investigating, as repeated inner or outer edge wear on a Mercedes of this generation frequently points to worn suspension bushes, weak coil springs, or a tracking geometry that has drifted out of specification. A four-wheel alignment check and a close look at the condition of the rear tyres for matching wear patterns would be sensible, along with confirming whether the TPMS warning light on the 2025 test has been investigated, as this could relate to a failed wheel sensor, a low-pressure tyre, or a system fault that would not itself cause a failure but could mask an active deflation. The exposed-cord dangerous failure in 2021 is unlikely to relate to the current vehicle condition but does emphasise the importance of inspecting all four tyres for tread depth, sidewall damage, and correct size, while the headlamp aim issues from 2023 should be checked simply by confirming both lamps are level and the beam pattern sits below the cutoff line on a flat surface. With the mechanical items above addressed, this A-Class presents a usable platform, but the front suspension and braking condition are the items that most directly determine whether the car represents sound value.