2021 Mercedes-Benz GLC 1.9L Diesel · SD21 VXG

The Mercedes-Benz GLC in question demonstrates a stable roadworthiness trend over the past two years, with the most recent MOT test on 2026-03-02 confirming no defects at 56,216 miles . The vehicle has passed every test since then without advisories or failures, suggesting consistent compliance with UK roadworthiness standards. The 2024-04-18 failure at 33,773 miles —though noted—was resolved immediately by the next test on 2024-04-24 at 33,836 miles , indicating a swift response to any minor issues. No recurring faults or advisories appear in the record, which is a positive indicator of either diligent maintenance or components that have yet to reach critical wear thresholds. The mileage progression reveals a steady usage pattern, averaging around 11,243 miles per year over the vehicle’s five-year lifespan. There are no extended gaps between tests that might suggest prolonged neglect, nor are there abrupt spikes that would imply aggressive driving or deferred maintenance. The 2024 failure occurred within a narrow mileage window (just 63 miles between tests), which could imply a one-off issue rather than a broader trend. However, the lack of advisories in later tests suggests any initial concern was addressed promptly and did not recur. Given the clean MOT history, a buyer should prioritise an in-person inspection of suspension components , particularly the rear suspension bushes and coil springs , as these are common wear points on this model and may not always be flagged in a standard MOT. The braking system , including rear brake calipers and disc thickness , should be checked for uneven wear or binding, given the 2024 failure —though the absence of further mention suggests it was resolved. Structural corrosion around wheel arches, sills, and underbody should be examined, especially if the vehicle has seen wet or salted roads, as this can degrade over time without immediate MOT consequences. Finally, exhaust emissions and catalytic converter efficiency warrant verification, as these are not always visually apparent but critical for compliance and performance. The engine bay and transmission fluid condition should also be assessed, as these are not routinely tested in an MOT but can indicate broader vehicle health.