2015 Mercedes-Benz E 2.1L Diesel · D2 LSO

The most recent MOT test on 2026-04-17 resulted in a passing outcome, but the vehicle’s overall maintenance history reveals a pattern of recurring issues rather than consistent stability. While the latest test cleared the most critical failures, the prior failed MOTs—particularly the one on 2026-04-04—highlight persistent and severe mechanical concerns, including major defects on both front brake discs, excessive front brake pulsation, and a persistent engine warning light (MIL). The earlier failures in 2025 and 2024 also pointed to persistent engine and tyre-related problems, suggesting that while the vehicle may have avoided immediate failure in the most recent test, underlying wear and potential component failure remain a risk if not addressed promptly. The advisories of fluctuating rear brakes and near-side rear tyre wear close to legal limits further indicate that the vehicle has not been maintained at a level commensurate with its age and usage, warranting immediate attention to prevent escalation. The recorded mileage of 62,977 miles for a vehicle aged approximately 11 years represents a relatively low annual mileage of around 5,725 miles, which is unusual for a car of this age and model. Such low usage could imply prolonged periods of inactivity, particularly if the vehicle was stored under adverse conditions—such as exposure to moisture, extreme temperatures, or lack of fuel in the tank—which can accelerate corrosion and fluid degradation. However, low mileage alone does not negate the need for thorough inspection, as standing vehicles are particularly susceptible to issues like brake disc corrosion, binding calipers, and fluid separation in hydraulic systems. The combination of low mileage with a history of MOT failures suggests that the vehicle may have been driven infrequently but has not been subject to regular servicing, leaving critical components vulnerable to hidden wear or deterioration. Given the vehicle’s MOT history, the buyer should prioritise a comprehensive inspection focusing on the brake system, suspension, and engine components. The major failures in previous MOTs—particularly the severely worn front brake discs and fluctuating front brakes—indicate that the caliper function, disc thickness, and hydraulic brake system integrity must be verified. During a test drive, listen for uneven brake pedal travel, pulsations or shuddering, and check for excessive brake dust or overheating. The engine MIL light has been a persistent issue, suggesting a deeper diagnostic is required to identify whether it stems from a failing sensor, wiring, or a more complex engine problem. Additionally, the near-side rear tyre wear close to legal limits and the previous cut tyre advisories mean the tyres should be inspected for sidewall perishing, uneven wear patterns, or signs of internal damage, as these can compromise handling and safety. For the buyer, the next steps should include a thorough physical examination of the vehicle’s exterior and undercarriage for signs of rust, particularly around wheel arches, suspension mounts, and under the chassis, where moisture can accelerate corrosion. The rear suspension ball joints with slight play recorded in earlier MOTs should be checked for excessive movement or noise during cornering, as worn joints can lead to uneven tyre wear and handling instability. Fluid levels, particularly brake fluid, coolant, and transmission fluid, should be topped up and checked for contamination or separation, as low-mileage standing can accelerate fluid degradation. If the engine issues persist, a professional diagnostic scan should be conducted to pinpoint the exact cause of the MIL light, and a full engine service may be recommended if the vehicle has been stored for extended periods. Finally, given the vehicle’s age and the recurring MOT failures, a budget should be allocated for potential immediate repairs, such as brake disc replacement, suspension component renewal, and engine diagnostics, to ensure the vehicle’s roadworthiness and safety.