2021 Mercedes-Benz GLC 300 AMG Line DE 4MATIC A 1.9L Electric diesel · RO71 VXG

The most recent MOT test conducted in September 2025 resulted in a pass with no recorded defects, following a similarly clean result in October 2024. This indicates a stable maintenance trend where the vehicle has consistently met the required DVSA safety and environmental standards without any immediate failures or advisories noted. While a clean MOT history is a positive indicator of the vehicle's basic roadworthiness at the time of testing, it should be viewed as a minimum baseline rather than a comprehensive guarantee of mechanical perfection, particularly for a vehicle of this age and mileage. With 72,152 miles recorded, the vehicle has averaged approximately 14,430 miles per year, which is relatively high for a five-year-old premium SUV. This level of usage suggests frequent motorway driving, which can be beneficial for engine health by preventing excessive carbon accumulation, but it also means that mechanical components are subject to higher cumulative wear. You should be prepared for the increased degradation of consumables such as brake pads and discs, as well as more advanced wear on the suspension system, including bushes, ball joints, and dampers, compared to a vehicle with lower annual mileage. During your physical inspection and test drive, you should pay particular attention to the condition of the tyres, looking for uneven wear patterns that might suggest alignment issues or worn suspension components, and checking the sidewalls for any signs of cracking or perishing. On the road, listen carefully for any rhythmic knocking or clunking sounds when traversing uneven surfaces, which could indicate failing suspension bushes or worn coil springs. It is also essential to test the braking performance; any shudder through the pedal or steering wheel under deceleration may indicate warped brake discs, while any pulling to one side could suggest a binding caliper. Finally, ensure that the service history is robust and that all scheduled maintenance has been performed according to the manufacturer's intervals, as high-mileage diesel engines are sensitive to oil quality. Check the engine bay for any evidence of fluid weeping from gaskets or hoses and verify the health of the 12V battery, as the high electronic load in a modern Mercedes-Benz can lead to unexpected failures if the battery is aged. Given the mileage, you should also confirm that major service items, such as transmission fluid changes or cooling system flushes, have been addressed to ensure long-term reliability.