2014 Mercedes-Benz C 2.1L Diesel · OV64 HGD

The most recent MOT on 17 July 2026 was passed, but it carried a suite of advisories covering the rear prop‑shaft flexible coupling, corrosion on the rear sub‑frame, and wear on both rear suspension arm pins or bushes. Earlier tests show a pattern of recurring advisories – front suspension bellows damage in 2023 and 2024, brake‑disc wear noted from 2021, and tyre tread approaching the legal limit on several occasions. The vehicle has not failed an MOT since the 2020 failure for a front suspension ball‑joint, indicating that the owner has kept the car within the minimum legal standards, yet the persistence of similar wear items suggests a maintenance trend that is stable but not improving; the underlying components are ageing and will likely need remedial work soon. At 115,216 mi the car averages roughly 9,600 mi per year over its twelve‑year life, which is typical for a Mercedes‑Benz C‑Class of this vintage. There are no obvious periods of very high mileage that would accelerate wear, nor long gaps that would hint at prolonged storage. The moderate annual usage means consumables such as tyres, brakes and suspension bushes have been subjected to normal wear cycles, but the cumulative mileage is sufficient for fatigue to begin appearing in components that are already flagged by the MOT advisories. A prospective buyer should give particular attention to the rear sub‑frame and prop‑shaft coupling. Look for any signs of rust, especially around welds and flat‑plate areas, and listen for metallic clunks when applying torque or during acceleration, which could indicate a deteriorating coupling. The rear suspension arm pins and bushes, noted as worn, should be inspected for excessive play by rocking the rear wheels and checking for looseness in the arm pivots; any lateral movement or knocking noises over bumps would suggest the bushes are nearing the end of their service life. Front suspension bellows, repeatedly flagged as damaged, should be examined for cracks or tears that could allow dirt and moisture into the ball‑joint area, potentially leading to premature wear – a rattling or squeaking sensation when turning at low speed would be a warning sign. Brake discs, both front and rear, have been described as pitted but not yet weakened; a visual inspection for deep scoring and a test‑drive brake feel for pulsation or shudder will help gauge whether replacement is imminent. Finally, verify that the rear stop lamp now functions, and confirm that the child‑seat fitting does not impede the adult seat‑belt path, as the advisory indicates a possible safety issue. Beyond the specific MOT items, the car’s age warrants a thorough general inspection. Check tyre sidewalls for cracking or dry‑rot, as rubber can degrade with time even on low‑mileage vehicles. Examine the battery terminals for corrosion and assess the charge hold, especially if the car has spent periods idle. Inspect all fluid levels – engine oil, coolant, brake fluid and power‑steering fluid – and consider a change if the service history does not show a recent top‑up, since fluids degrade calendar‑wise. Look for any signs of rust on the wheel arches, under‑carriage and suspension mounting points, and ensure the exhaust system is free of leaks or excessive corrosion. A complete service book with regular stamps will give confidence that the vehicle has been maintained in line with manufacturer recommendations, reducing the risk of hidden wear developing from prolonged standing or neglect.