2010 Mercedes-Benz E 3.0L Diesel · JC03 COO

The latest MOT test in April 2026 resulted in a pass, but the history reveals a concerning trend of recurring and escalating issues. The vehicle failed in March 2025 due to a fractured offside front coil spring and an excessively worn nearside front lower suspension arm ball joint, both major defects that compromise ride stability and handling precision. These failures, combined with persistent advisories for corroded front brake pipes and edge-worn tyres, suggest a pattern of deferred maintenance rather than proactive resolution. While the 2026 pass indicates that the immediate failures were addressed, the repeated brake pipe corrosion advisories and tyre wear warnings signal ongoing vulnerabilities that require close scrutiny. At 16 years old with just 50,285 miles recorded, the vehicle has averaged roughly 3,143 miles per year, which is exceptionally low for its age. This strongly suggests prolonged periods of inactivity or very light use, which can be as detrimental as high mileage due to the risk of component seizing, fluid degradation, and corrosion from standing. Low annual mileage often leads to perished rubber seals, dried-out bushings, and brake system stiction, particularly if the car has been stored outdoors or in damp conditions. The combination of age and minimal use demands a thorough inspection of time-sensitive components, regardless of the odometer reading. The recurring brake pipe corrosion advisories are a red flag, as these lines are critical for hydraulic integrity and can fail catastrophically if left unchecked. On a test drive, listen for a metallic clunk or knock from the front suspension over rough surfaces, which could indicate the previously replaced coil spring or ball joint settling or further wear in associated components. Inspect the tyres for uneven wear patterns, particularly on the offside front and rear, as the advisories suggest these may soon require replacement. Additionally, check for binding brakes or a pulling sensation under braking, which could point to seized calipers or corroded discs, both common in low-mileage, high-age vehicles. Given the history of rear sub-frame corrosion noted in 2022, examine the underbody for rust, paying particular attention to structural points and suspension mountings. Finally, verify the condition of the 12V battery, as prolonged inactivity accelerates sulphation and reduces cranking capacity. Test all electrical systems, including power windows and seat adjustments, as wiring insulation can become brittle with age. Check the engine bay for fluid leaks, particularly around the power steering, coolant, and brake systems, and confirm the service history includes recent changes of time-degraded fluids such as brake fluid, coolant, and differential oil. The presence of undertrays, while noted in 2022, may obscure corrosion, so a lift inspection is essential to assess the true state of the chassis and suspension components. This vehicle demands a meticulous, hands-on evaluation to justify its asking price.