2016 Mercedes-Benz GLC 2.1L Diesel · ST66 HHA

The 2016 Mercedes-Benz GLC presents an unusual MOT profile in that the recorded DVSA history contains no advisories and no defect entries across five recorded tests, yet two of those tests resulted in failures that were subsequently cleared on the same day or shortly after. The most recent test on 6 October 2025 passed without any defects recorded, and the 2024 and 2023 passes were similarly clean. The two failures, both dated close to the corresponding passes, recorded no defects on the DVSA system either, which typically means the vehicle was refused for reasons such as the absence of a valid MOT certificate at the time of test, an inability to present the vehicle, or a late-arrival situation where the test was not completed. Mechanically, the MOT history alone offers no insight into specific component wear or developing faults, but the absence of recurring advisories over the last three test cycles suggests that no examiner has yet identified brake, suspension, tyre, corrosion, or emission concerns at the point of test. Recorded mileage stands at 90,676 miles across approximately ten years of service, equating to an annual accumulation rate of around 9,068 miles per year. This places the vehicle broadly within typical usage parameters for its age and class, neither suggesting long periods of standing idle nor unusually heavy accumulation that would accelerate wear on consumables. There are no significant gaps in the testing record or abrupt mileage jumps between tests that would indicate the vehicle was off the road for an extended period, which is relevant because prolonged standing can lead to brake disc corrosion, tyre flat-spotting, and deterioration of underbody protective coatings. Equally, the steady accumulation rate is consistent with regular driving that would have kept mechanical components in working order, though it does mean that wear items typical of a vehicle approaching 100,000 miles, such as suspension bushes, coil springs, brake discs, and drivetrain mountings, will have accumulated significant service life. For a prospective buyer, the clean advisory history is reassuring on the surface, but the lack of recorded defects means there is no specific component guidance to be drawn from the MOT record itself. Given the mileage and the age of the vehicle, a pre-purchase inspection should focus on the items most commonly worn on a GLC of this generation. The front suspension wishbones, lower control arm bushes, and the front coil springs are known wear items and should be checked for cracking, perished rubber, or any sign of sagging that would affect ride height. On a test drive, listen for clonking or knocking from the front end over speed humps and uneven surfaces, particularly when turning into kerbs at low speed, as this is indicative of worn drop links or anti-roll bar bush deterioration. Pay close attention to steering response: any vagueness on centre, knocking under load, or uneven tyre wear on the inner or outer edges of the front tyres would point to worn suspension linkages. The braking system on a GLC of this mileage warrants a thorough inspection. Although no brake-related advisories were recorded, brake discs and pads are consumables that wear with use, and the vehicle is approaching a mileage where a full disc and pad replacement on at least the front axle is plausible. During a test drive, feel for any judder through the brake pedal under firm application, which can indicate warped front discs, and listen for any grinding or scraping that might suggest pads are nearing the end of their service life. Inspect the inner and outer faces of all visible brake discs for a pronounced lip on the outer edge, as this indicates the discs are nearing their minimum thickness. The parking brake, which on this generation of GLC is an electric mechanism operating on the rear discs, should be tested on an incline to confirm it holds the vehicle securely without slipping. Finally, given the typical corrosion concerns associated with German premium SUVs of this era, a thorough underbody examination for surface corrosion on subframe components, brake lines, and exhaust mounting points is advisable even though none of these items were flagged at the most recent MOT.