2008 Mercedes-Benz C 2.1L Diesel · AE54 ADS

The vehicle most recently passed its MOT on 20 May 2026, although the overall maintenance trend is concerning. While the car is currently roadworthy, the history reveals a pattern of neglect and significant safety failures, most notably the dangerous brake pipe leaks and excessive corrosion recorded in early 2022. The recent failure just one day prior to the pass indicates a lack of pre-test preparation, as the vehicle failed on basic items such as a position lamp, a split wiper blade, and a damaged tyre. With a recorded mileage of 155,033 miles over 18 years, the vehicle has averaged approximately 8,613 miles per year. This usage is typical for its age and suggests consistent use rather than long periods of standing. However, at this mileage, a buyer should anticipate significant wear on high-stress components including suspension bushes, engine mounts, and drivetrain linkages, which may require replacement to restore original ride quality and precision. Particular attention must be paid to the chassis and braking system. The history of dangerous brake pipe leaks and the recurring advisory regarding a corroded rear sub-frame suggest the vehicle may have been exposed to harsh environments or road salt. A thorough physical inspection of the underside is essential to ensure the structural integrity of the sub-frame and to verify that the brake pipe replacements were carried out to a professional standard. During a test drive, the buyer should be alert for any brake shudder or fluctuation, which was previously noted as an advisory, as this can indicate warped discs or issues within the hydraulic system. The most recent MOT advisory regarding a knocking noise in the nearside front, despite no visible movement being found by the inspector, is a point of concern. This often points to an early-stage failure of a drop link, ball joint, or wheel bearing that only manifests under specific load conditions. The buyer should listen for metallic clunks or rhythmic humming when traversing uneven surfaces or during low-speed cornering. Additionally, the persistent mention of a cracked windscreen and deteriorated registration plate indicates a general decline in cosmetic and preventative maintenance that should be factored into the purchase price.