2005 Mercedes E 3.0L Diesel · KP55 KNF

The vehicle remains roadworthy but the maintenance history shows a worsening trend regarding brake line corrosion and suspension wear. The most recent test in December 2025 at 117,698 miles identified corrosion on both the front inner and rear brake pipes, alongside new play in the offside front suspension arm ball joint. This represents a progression from the minor issues noted in 2023 and 2024, indicating that the brake line degradation has not been adequately addressed and is now spreading across multiple points of the chassis. At 21 years old, the recorded mileage of 117,698 miles reflects an average of approximately 5,600 miles per year. The data shows a consistent usage pattern with roughly 3,000 miles covered annually annually between 2021 and 2025. While this low mileage generally suggests less strain on the drivetrain and engine, the recurring corrosion-related faults suggest the vehicle may have sat for long periods or been operated in environments that accelerate the oxidation of metal components and rubber seals regardless of the low distance driven. A buyer must conduct a thorough inspection of the entire braking system to determine the extent of the corrosion on the steel pipes. The repeated mentions of grease or material covering corroded sections suggests previous attempts to mask rust rather than replace the lines, which poses a significant safety risk. Furthermore, the persistent play in the front suspension ball joints across three consecutive years indicates that the suspension components are reaching the end of their functional life. Immediate attention should be paid to the structural integrity of the chassis to ensure the corrosion seen on the brake lines has not transitioned into the structural mounting points.