2016 Mercedes-Benz B-Class 2.1L Diesel · DA16 OUU

The vehicle currently holds an unroadworthy status following a failure on 19 May 2026 at just 101,173 miles. The maintenance trend is worsening, as the most recent test revealed multiple critical safety and electronic failures that were previously absent, including an inoperative engine malfunction light, a failed wiper, and a structural cut to the nearside front tyre. While the car achieved clean passes in 2024 and 2025, the recent cluster of faults suggests a significant decline in basic preventative upkeep. The mileage pattern remains consistent with a ten-year-old vehicle, averaging approximately 10,000 miles per year. Between May 2023 and May 2024, the car covered 12,861 miles, indicating a period of higher usage, followed by a more moderate 13,898 miles recorded between the May 2024 test and the May 2026 failure. This steady accumulation puts consistent stress on wear-and-tear components, which is evidenced by the recurring issues seen in the braking system. A buyer must scrutinize the braking system and suspension components, as the history shows a pattern of neglect. The 2023 test flagged thin rear pads and pitted discs, which escalated into a major 2024 failure involving seriously weakened front and rear brake discs and a fractured offside rear coil spring. This progression indicates the previous owner likely operated the vehicle until components failed rather than performing scheduled preventative replacements. A physical inspection should verify that the recent brake failures have been fully rectified and that no further corrosion is present on the suspension assemblies. The 2026 failure regarding the engine malfunction light is of particular concern, as an inoperative MIL prevents the detection of engine faults that could lead to breakdown. The buyer should also verify the headlamp alignment and ensure the nearside front tyre is replaced with a unit free of structural damage. Given the history of mechanical weaknesses recorded at high mileage, a comprehensive diagnostic scan is necessary to ensure no hidden electronic faults are currently masked by the inoperative light.