2005 Mercedes C 2.1L Diesel · LT05 HFV

The vehicle remains roadworthy as of its most recent MOT, passed on 12 June 2026 at 116,387 miles, just four days before today’s date. However, the maintenance trend is neither stable nor improving. It shows a persistent and worsening pattern of corrosion-related advisories, particularly concerning the brake pipes and structural bodywork. While the car has consistently passed its MOT, the recurrence of these issues suggests a slow deterioration that has not been fully addressed by previous owners. The tester’s notes indicate that structural rigidity is not yet significantly compromised, but the progression of corrosion is a clear concern. The mileage pattern reveals a notably low annual usage of approximately 5,542 miles per year over the vehicle’s 21-year life. This is well below the UK average. The MOT records show a steady, gradual accumulation of miles, with no sudden spikes or suspicious gaps between tests. The mileage increased by 2,661 miles between June 2025 and June 2026, and by 2,035 miles in the preceding year, indicating consistent, light use. This low mileage can be a double-edged sword; while it reduces wear on mechanical components, it also means the vehicle may have spent long periods stationary, which can accelerate corrosion of brake lines and structural sections due to moisture and lack of use. A buyer must inspect the underside of the vehicle thoroughly, focusing on the offside front inner sill and the rear sub-frame, both flagged for corrosion in the latest test. The offside front brake pipe was also noted as corroded and covered in grease or other material, a recurring issue that appeared in 2023 and 2024 as well. This suggests the corrosion may be active and could lead to brake fluid leaks or reduced braking efficiency if left untreated. The front wheel bearing advisory from 2023, noting slight play on both sides, should also be checked, as this can worsen over time and cause noise or instability. Given the history of corroded brake pipes appearing on multiple tests, a professional inspection of the entire braking system is essential to determine whether the pipes have been replaced or merely coated.