MERCEDES C220 CDI AUTO2.1L Diesel

The Mercedes C220 CDI in question demonstrates a stable roadworthiness trend over the past three MOT cycles, with no defects recorded in any of the tests conducted between October 2022 and September 2025. The most recent inspection, on 15 September 2025 at 122,400 miles, confirms the vehicle remains compliant with current UK MOT standards. This consistency suggests that, at minimum, the owner has adhered to the mandatory testing intervals without any major failures or advisories. However, the absence of defects does not preclude underlying issues—particularly in components like suspension bushes, turbocharger integrity, or diesel particulate filters—which may not always trigger MOT failures until they reach critical thresholds. Mileage data for this vehicle is insufficient to establish a meaningful pattern, as the recorded figures remain virtually static at around 122,000 miles across three tests spanning nearly four years. The gap between the 2022 and 2024 tests—just 808 miles over 19 months—implies either minimal usage or an incomplete record. Without pre-MOT service logs or a more granular history, it is impossible to determine whether the vehicle has undergone regular maintenance or if critical components have been overlooked. The most recent MOT, just under a year old as of July 2026, means some wear items—such as brake pads, wiper blades, or suspension dampers—may now require replacement, even if the vehicle passed. Given the lack of recorded defects, a prospective buyer should prioritise a thorough inspection of high-wear diesel-specific components. The turbocharger, intercooler, and exhaust gas recirculation (EGR) system warrant close examination, as these are common failure points in CDI engines at this mileage. Suspension integrity should also be assessed, particularly the condition of rear coil springs and bushes, which often degrade silently before causing handling issues. Brake systems, including rear caliper binding (a frequent silent failure in Mercedes models) and disc thickness, should be measured beyond the MOT’s pass threshold. Structural corrosion, particularly around wheel arches, sills, and underbody panels, is another critical area—especially if the vehicle has seen wet or salted roads. The absence of advisories in past MOTs does not guarantee these areas are pristine, so visual and functional checks are essential.