2020 Mercedes-Benz GLC 1.9L Diesel · J27 EAD

The most recent MOT test conducted on 29 August 2025 resulted in a pass with no defects recorded. Looking back through the records from 2023 and 2024, the vehicle has maintained a consistently clean history with no advisories or failures. This indicates a highly stable maintenance trend and suggests that the vehicle has been kept in a condition that exceeds the minimum legal safety requirements without the emergence of typical age-related wear. The recorded mileage of 23,346 miles over approximately six years is significantly lower than the UK national average, averaging roughly 3,891 miles per year. While this low usage implies minimal mechanical wear on the engine, gearbox, and interior trim, it also suggests the vehicle may have spent extended periods stationary. Such a usage profile shifts the primary concern from wear-and-tear to degradation caused by inactivity, which can affect various rubber and fluid-based components. Given the absence of MOT defects and the low mileage, the physical inspection should focus on time-based degradation. You must carefully examine the tyre sidewalls for signs of perishing or hairline cracking, as tyres can lose their structural integrity through age even if the tread depth remains high. During the test drive, listen for any unusual noises from the braking system and feel for brake shudder or a pulling sensation, which could indicate binding calipers or surface corrosion on the brake discs resulting from prolonged standing. It is also essential to verify the service history to ensure that oil and brake fluid changes have been performed according to the manufacturer's calendar intervals rather than mileage alone, as these fluids degrade over time. Check the health of the 12V battery, as infrequent use can lead to premature failure or reduced cranking power. Finally, inspect the suspension bushes and engine mounts for signs of dryness or cracking, and ensure the air conditioning system operates effectively, as seals can dry out when the system is not regularly cycled.