2012 Mercedes-Benz A-Class 1.5L Petrol · MAZ 4012

The most recent MOT test on the 2012 Mercedes-Benz A-Class was conducted on 2026-04-23 and resulted in a clean pass, with no recorded defects. However, the vehicle’s MOT history reveals a pattern of recurring advisories and one prior failure, indicating a need for closer attention to specific mechanical areas. The advisories from 2024 regarding corroded rear brake pipes—both near- and offside—suggest a persistent issue with moisture ingress and potential grease contamination, which could exacerbate corrosion over time. Additionally, the light misting of oil in the near-side front shock absorbers in 2024 points to early signs of wear or internal leakage, warranting further inspection to prevent further degradation. The failure in 2024 due to a supplementary restraint system (SRS) fault underscores the importance of addressing any electrical or airbag-related issues promptly, as this could impact both roadworthiness and passenger safety. The vehicle’s recorded mileage of 95,103 miles at the time of this assessment represents a reasonable annual usage rate of approximately 6,793 miles per year, which is typical for a 14-year-old car with moderate to light daily use. While this mileage is not exceptionally high, it does not necessarily indicate excessive wear if the vehicle has been maintained appropriately. However, the consistent gaps between MOT tests—particularly the two-year interval between 2023 and 2024—could imply periods of prolonged inactivity, which may have contributed to minor issues like brake pipe corrosion or standing corrosion on components such as the suspension or exhaust system. Without additional context on service history or whether the vehicle was stored under cover, the advisories may reflect either gradual wear or environmental exposure rather than aggressive driving conditions. Given the recurring advisories on the rear brake pipes and front shock absorbers, the prospective buyer should prioritise a thorough inspection of the braking system, particularly the rear brake pipes and hoses, for signs of further corrosion, leaks, or structural compromise. Corroded brake pipes can lead to reduced braking performance or even failure if left unaddressed, so any visible rust, bulging, or grease accumulation should be addressed immediately. During a test drive, listen for uneven brake pedal travel, excessive vibration, or a spongy feel, which may indicate hidden issues such as warped discs, binding calipers, or internal brake fluid contamination. The light misting in the front shock absorbers suggests internal wear, so check for excessive travel, clunking noises when driving over bumps, or a loss of damping effectiveness—these symptoms could worsen with further mileage unless the absorbers are replaced. Additionally, verify that the SRS warning lamp has been resolved, ensuring the airbag system is fully operational and that any residual faults have been rectified. For the broader vehicle inspection, given the age and mileage, the buyer should focus on several key areas. First, examine the tyres for signs of sidewall cracking or perishing, which can occur due to prolonged storage or exposure to UV light, even at low mileage. Check the tread depth and look for irregular wear patterns, which may indicate misalignment or suspension issues. Next, assess the battery health, as older vehicles are more prone to electrical failures, particularly if the alternator or charging system has degraded over time. A simple test drive with the headlights and indicators on can reveal whether the battery is holding a charge. The suspension components, including coil springs, bushings, and struts, should be inspected for signs of wear, such as excessive play, cracks, or oil leaks, which could lead to poor ride quality or handling instability. Finally, consider the fluid levels and condition—brake fluid should be checked for moisture content (which can cause corrosion and reduced effectiveness), and the engine coolant, transmission fluid, and power steering fluid should be topped up or replaced according to the manufacturer’s recommendations, even if the last service was several years ago, as fluids degrade over time regardless of mileage. If the vehicle has been stored, ensure that the fuel system is clear of moisture and that the fuel cap is securely fitted to prevent evaporation.