2017 Mercedes-Benz GLC 2.1L Diesel · OY67 ACX

The most recent MOT test on July 30, 2025, confirms the vehicle passed without any recorded defects, though it was tested just six days after a prior failure at 93,115 miles. This suggests a near-term issue was swiftly addressed before the final inspection, though the absence of defects in both the 2025 tests implies no persistent or recurring mechanical failures. The 2024 and earlier tests also show consistent passes with no advisories, indicating no major wear patterns were escalating over time. However, the failure at 93,115 miles—despite the subsequent pass—raises a question about whether the issue was a one-off anomaly or a component nearing its service interval. The mileage progression reveals a steady accumulation of approximately 10,360 miles annually, which aligns with typical usage for a vehicle of this age. There are no prolonged gaps or abrupt spikes in mileage between tests, suggesting the car has been driven regularly rather than left unused for extended periods. The most notable interval is between the 2024 and 2023 tests, where the vehicle covered 8,480 miles in a year, still within an expected range. The lack of advisories or defects in any test implies no urgent servicing was deferred, though this does not preclude hidden wear in non-MOT-tested areas. Given the clean MOT history, the primary focus for an in-person inspection should centre on high-wear components that are not routinely checked during the test. The suspension—particularly the rear bushes and coil springs—should be examined for excessive play or corrosion, as binding calipers or uneven brake wear were not flagged but could develop over time. The brake discs and pads, while not failed, warrant inspection for thickness and uniformity, especially given the high mileage. Additionally, the exhaust system should be checked for leaks or rust penetration, as corrosion is a common issue in older Mercedes-Benz models. Finally, the underbody and wheel arches should be scrutinised for structural corrosion, particularly around the sills and wheel housings, where moisture accumulation is likely.