2016 Mercedes Unknown 2.1L Diesel · AU66 AKF

The most recent DVSA MOT test was conducted on 2025-06-13, resulting in a passing outcome with no recorded defects or advisories. This follows a previous failure on 2025-06-11, which also reported no defects, suggesting a potential anomaly in the testing conditions or a transient issue that resolved itself. The vehicle’s MOT history over the preceding five years is otherwise consistent, with all prior tests—from 2021 through 2023—yielding clean passes, indicating a stable maintenance record and no evident deterioration in roadworthiness. While the absence of failures is encouraging, the brief interval between the two tests in 2025 warrants cautious interpretation, as transient or environmental factors could have influenced the outcome. The recorded mileage of 16,104 miles for a vehicle aged approximately ten years is notably low, averaging just 1,610 miles annually. Such usage is atypical for a car of this age, particularly if it has been in regular service, as higher mileage would typically correlate with greater wear on consumables such as brake pads, suspension components, and drivetrain elements. The low mileage could reflect extended periods of inactivity, particularly if the vehicle has been stored or used sparingly, which may lead to specific issues such as standing corrosion on brake discs, caliper binding, or fluid degradation from stagnation. Conversely, if the mileage is accurate and the vehicle has been underutilised, the absence of wear-related defects in the MOT history may suggest that the vehicle has been maintained appropriately during its low-activity periods. Given the clean MOT history and the vehicle’s age and mileage profile, the prospective buyer should conduct a thorough physical inspection to address potential age-related and usage-specific concerns. First, examine the tyres for signs of sidewall cracking or perishing, which can occur over time regardless of mileage, compromising their structural integrity and tread retention. Check the brake system for any corrosion or rust on the discs and calipers, particularly if the vehicle has been stationary for prolonged periods, as this can lead to binding or reduced braking efficiency. The 12-volt battery should be tested for capacity and charge retention, as low usage may have contributed to reduced performance or failure to hold a charge. Additionally, inspect the engine bay and undercarriage for signs of fluid leaks, such as coolant, oil, or brake fluid, which could indicate failing seals or hoses, and verify that the service book records any scheduled fluid servicing, especially for oil, transmission fluid, and coolant, which should ideally be renewed at specified intervals even if mileage is low. For fluid systems, particularly those exposed to prolonged inactivity, the buyer should consider a comprehensive fluid refresh. Brake fluid should be replaced if it has been unused for over two years, as moisture absorption can lead to corrosion and reduced braking performance. The engine oil should be checked for cleanliness and replaced if it appears degraded or has been in use for more than 12 months, even if the vehicle has been driven sparingly. The coolant system should also be inspected for signs of contamination or sludge buildup, which can impair heat transfer and lead to overheating. Finally, a professional inspection of the suspension and exhaust systems is advisable, focusing on the condition of bushes, springs, and any potential leaks that could indicate wear or structural compromise. If the vehicle has been used infrequently, a thorough check of the drivetrain components, such as the universal joints and driveshaft, is prudent to ensure they remain free from excessive wear or damage from prolonged stationary use.