2014 Mercedes-Benz C 2.1L Diesel · LP63 MFX

The vehicle shows a declining maintenance trend characterized by increasing frequency of failures and recurring consumable issues. While the most recent test on 5 June 2026 at 151,841 miles resulted in a pass, the tester flagged both rear tyres as being worn close to the legal limit or worn on the edges. This follows a failed attempt in July 2025 where the vehicle struggled with multiple issues including lighting, suspension dust covers, and parking brake efficiency. The transition from clean records in earlier years to frequent advisories and failures suggests the vehicle is entering a period of higher maintenance requirements. The mileage profile indicates heavy usage, averaging approximately 12,653 miles per year. A significant jump in usage occurred between February 2022 and May 2023, where the odometer rose from 86,595 to 128,146 miles. Since that period, the mileage accumulation has remained consistent, reaching 151,841 miles by mid-2026. This high-mileage pattern places increased stress on mechanical components, which is reflected in the more frequent appearance of wear-related defects in recent years. A prospective buyer must prioritize a physical inspection of the rear subframe. The May 2024 failure at 140,916 miles specifically identified that the rear subframe was corroded and seriously weakened. Although the vehicle passed subsequent tests, structural corrosion of this nature requires thorough verification to ensure the repair was substantive and not merely a temporary fix. The recurring issues with tyres being worn on the edges across multiple years, including 2021, 2023, 2025, and 2026, also suggest potential underlying suspension geometry or alignment problems that warrant a professional check. Further attention should be paid to the braking system and lighting. The 2025 failure noted insufficient parking brake efficiency and a faulty rear stop lamp, while the 2024 record flagged thin rear brake pads. Given the high mileage and the age of the vehicle, the condition of the suspension bushes and anti-roll bar linkages should be examined, as the 2025 test highlighted severely deteriorated dust covers on these components.