2017 Mercedes-Benz E 1.9L Diesel · LL17 RYP

The most recent MOT test on 2025-10-27 resulted in a clean pass with no defects recorded, marking a positive turnaround from the previous year’s history. While the vehicle has passed all subsequent tests, the recurring advisories over the past six years—particularly the persistent tyre edge wear and front brake pad thinning—suggest a pattern of wear that has not been fully mitigated by routine maintenance. The failure in 2019 highlighted a critical tyre defect that required immediate replacement, indicating that the vehicle’s tyre management has been inconsistent or insufficient to address cumulative wear. The absence of major failures since 2019 is encouraging, but the advisories remain a cause for concern, especially given the high mileage and the potential for deeper issues to emerge if not addressed proactively. The vehicle’s recorded mileage of 114,965 miles at an age of nine years equates to approximately 12,774 miles annually, which is significantly higher than the average for its class. High mileage, particularly over a prolonged period, accelerates wear on consumables such as brake pads, tyres, and suspension components, as well as drivetrain elements like seals and bearings. The rapid accumulation of miles without evident long-term standing suggests active use, which could explain the tyre and brake advisories, but it also raises concerns about potential accelerated degradation of internal components like the engine oil system, transmission fluid, and exhaust components. The absence of service records or mileage-based maintenance stamps further complicates assessing whether fluid degradation or component fatigue has occurred beyond the visible advisories. For a prospective buyer, the most critical inspection areas include the rear tyres, which have consistently shown edge wear and a nearside nail—indicating either underinflation, improper alignment, or excessive cornering forces. Visually inspect the rear tyres for signs of uneven wear patterns, such as cupping or feathering, which could signal misalignment or suspension issues. On a test drive, listen for clunking noises from the rear suspension, particularly when cornering or over bumps, as this may indicate worn suspension bushes or broken coil springs. The front tyres, having failed MOT due to deep cuts in 2019, must be thoroughly examined for sidewall damage or cracks, which can compromise structural integrity and lead to sudden blowouts. Check for uneven brake pad wear on the front discs, which may suggest binding calipers or hydraulic issues; listen for a grinding or squealing noise during braking, and inspect the brake discs for corrosion or warping, which can cause shuddering or reduced stopping performance. Beyond the tyre and brake advisories, the vehicle’s age and high mileage warrant a comprehensive inspection of the engine oil system and transmission fluid. The oil should be checked for contamination or sludge, and the filter replaced if not done within the last 12 months. The transmission fluid should be evaluated for colour and viscosity—dark or gritty fluid indicates degradation. Inspect the exhaust system for leaks or excessive backpressure, which could signal catalytic converter failure or flex-plate cracks, both of which can lead to emissions failures. Pay particular attention to the battery, as prolonged high-mileage use can accelerate internal corrosion or voltage drop, leading to poor cold-start performance or electrical gremlins. Finally, verify that all fluid levels—brake, coolant, and windscreen washer—are topped up and that there are no visible leaks under the vehicle. Given the vehicle’s history, a pre-purchase inspection by a qualified mechanic is strongly advised to assess the extent of wear on internal components and ensure no hidden issues exist beyond the MOT advisories.