2020 Mercedes-Benz C 220 AMG Line ED Prem + D A 1.9L Diesel · AV70 MFP

A perfectly clean DVSA record across all four tests for this C 220 AMG Line presents an unusually strong track record of roadworthiness, with no advisories, no component defects, and no recurring problem areas recorded at any point during its six-year life. The most recent test on 21 October 2025 produced a pass with no defects recorded, mirroring the outcome from 12 months earlier and confirming that the vehicle has remained in consistent mechanical condition between annual inspections. The single failed test on 17 October 2024 stands out only by date, occurring the day before a pass was issued on 18 October 2024, which strongly suggests an immediate retest following a minor repair or rectification rather than any underlying structural or systemic issue. Taken together, the history reflects a car that has met MOT standards without the kind of escalating advisories that often signal developing wear in suspension, braking, or corrosion-prone areas, and this clean profile is particularly noteworthy for a premium diesel saloon expected to cover motorway mileage. With 53,943 miles accumulated over six years, the vehicle has averaged roughly 8,990 miles annually, which sits squarely within the expected range for a privately used executive diesel of this age and falls neatly between the lower-mileage city-driven examples and higher-mileage motorway commuter cars. There are no extended gaps in the testing record and no obvious sudden jumps in mileage that would indicate inconsistent use or a period of the vehicle being off the road, and the annual MOT cadence has been maintained without interruption, giving a continuous picture of its condition throughout the ownership cycle. For a Mercedes-Benz C-Class diesel, this level of usage typically means the engine and drivetrain have been worked sufficiently to keep seals, turbo components, and the DPF in healthy condition, while remaining low enough to avoid the accelerated wear seen on high-mileage fleet or taxi examples. The absence of any recorded advisories on items such as exhaust emissions, diesel particulate filter function, or underbonnet components further supports the impression that the engine has been operating within normal parameters throughout its life. For a prospective buyer, the absence of any flagged items in the MOT history makes a physical inspection and test drive especially important, since the test record alone cannot reveal wear that has not yet crossed the advisory threshold. Particular attention should be paid to the suspension geometry, as Mercedes C-Class models of this generation are known for wear in the front lower control arm bushes, wishbone links, and the rear subframe mounting bushes, all of which can develop play without producing an MOT advisory until the movement becomes pronounced. On a test drive, listen for clonking or knocking noises from the front end over speed humps and uneven surfaces, and feel for vagueness or juddering through the steering wheel, which can indicate worn drop links or track rod ends. The brakes should be checked for smooth, even retardation without any pulling to one side, and a visual inspection of the discs for lipping or surface corrosion, particularly on a vehicle that may have spent time standing during quieter periods. Given the diesel powertrain, the buyer should also satisfy themselves on the condition of the turbocharger, intercooler plumbing, and any signs of oil misting or residue around the turbo housing or from the exhaust manifold area, which could indicate aged gaskets. The 9G-Tronic automatic gearbox, common to this model, should shift smoothly through all ratios without hesitation, flare, or torque converter shudder, and a warm transmission fluid check via the dipstick (if accessible) should show clean, reddish fluid rather than darkened or burnt-smelling oil. Finally, while the body and structural sections have not been flagged for corrosion in any test, a close inspection of the wheel arches, underbody, and the rear subframe mounting points remains sensible for any Mercedes approaching six years of UK road use, particularly given exposure to winter salt. The overall clean history, sensible mileage, and consistent annual testing make this a strong starting point, provided the mechanical inspection confirms that the consumable wear expected at this mileage has been appropriately addressed.