2020 Mercedes-Benz A 1.3L Petrol · LS20 UGR

The latest MOT test for this 2020 Mercedes-Benz A was conducted on 2026-07-17 and resulted in a pass, though it included advisories regarding the condition of both front and rear brake discs, which are worn, pitted, or scored but not to a point that compromises structural integrity. Comparing this to the previous MOT history, the trend appears to be stable rather than worsening, as the advisories on brake disc wear have persisted across multiple tests without escalating to major failures or more severe indications of failure. However, the 2025-07-19 test also included a major failure for front brake pads reaching the wear indicator, suggesting that while the vehicle has maintained roadworthiness, the brake system is nearing critical thresholds that require immediate attention. The consistency of these advisories indicates a pattern of gradual wear progression, which is typical for high-mileage vehicles but demands proactive management to prevent unexpected brake failure. The recorded mileage of 67,748 miles for a 2020 model represents a reasonable annual usage rate of approximately 11,291 miles per year, which is within the expected range for this age and class of vehicle. Given that the vehicle has been in service for roughly six years, the mileage accumulation suggests moderate to heavy usage, particularly if there were periods of prolonged standstill without maintenance. This could contribute to accelerated wear in consumables like brake pads, tyres, and suspension components, as well as potential issues arising from standing corrosion in brake systems or fluid degradation over time. The absence of significant mileage gaps in the MOT history implies that the vehicle has been regularly driven, which may have contributed to the observed wear patterns but also highlights the need for diligent servicing to mitigate further deterioration. As a prospective buyer, you should prioritise a thorough inspection of the brake system, given the recurring advisories on brake disc wear and the critical condition of the front brake pads. During your test drive, listen for any signs of brake pulsation or shudder, which could indicate warped discs or binding calipers, and check for uneven brake pad wear or excessive heat marks on the discs. Additionally, inspect the brake fluid reservoir for contamination or contamination levels, as brake fluid absorbs moisture over time, reducing effectiveness and risking hydraulic failure. Verify that the brake fluid is topped up and that there are no leaks around the master cylinder or caliper seals. The rear tyre with exposed ply or cords from the 2023 MOT failure is a serious concern, as exposed cords compromise tyre integrity and pose a safety risk; this tyre should be replaced immediately, regardless of remaining tread depth. For the offside rear tyre showing edge wear, examine the tread pattern for signs of underinflation or improper alignment, as this can lead to premature wear and reduced traction. Beyond the immediate concerns, conduct a visual and functional inspection of the vehicle’s suspension and exhaust system. Check for signs of corrosion on the rear suspension components, such as the rear axle or mounting brackets, as prolonged standing can accelerate rust formation. Inspect the coil springs and suspension bushes for excessive play or cracks, which could lead to poor ride quality and handling issues. Listen for clunking noises during cornering or over bumps, which may indicate worn suspension bushes or damaged coil springs. For the tyre wear advisories, ensure all tyres are within legal limits and check for sidewall cracking or perishing, which can weaken the tyre structure and reduce safety. Finally, given the vehicle’s age and usage profile, consider testing the 12V battery and starter motor for responsiveness, as older vehicles may experience reduced cranking power or electrical system failures. Additionally, verify that the service book records reflect compliance with manufacturer-recommended fluid servicing intervals, particularly for transmission fluid, coolant, and brake fluid, as these fluids degrade over time regardless of mileage.