2003 Mercedes C220 CDI Avantgarde 2.1L Diesel · PUI 4110

The most recent MOT test on 31 August 2025 confirms this 2003 Mercedes C220 CDI Avantgarde remains roadworthy at 121,024 miles, with no defects recorded across the last three consecutive tests. The absence of advisories or failings suggests the vehicle has been maintained consistently enough to avoid major mechanical failures, though the 2023 failure at 116,101 miles—despite no recorded defects—raises curiosity about whether the test was incomplete or if minor issues were overlooked. The trend over the past two years shows stability, with no recurring faults or progressive wear patterns. However, the 2023 failure date appears anomalous, given the mileage jump from 111,476 in April 2022 to 116,101 in May 2023, which could indicate a brief period of neglect or an administrative error in the record. The recorded mileage of 121,024 miles over 23 years equates to an average of roughly 5,262 miles annually, which is unusually low for a vehicle of this age. The gap between the 2022 and 2023 tests—where mileage increased by 4,625 miles in just over a year—suggests the vehicle may have been stored or used intermittently. The subsequent consistent mileage increments of around 1,400 miles per year between 2023 and 2025 imply recent, steady use. While low mileage generally indicates less wear on high-stress components like suspension bushes, coil springs, or drivetrain bearings, it also raises questions about whether the vehicle has been subjected to prolonged static loading or environmental exposure, which could accelerate corrosion or rubber degradation in seals and hoses. Given the lack of recorded defects, a buyer should prioritise a thorough inspection of the suspension geometry, particularly the rear coil springs and bushes, as these are common failure points in this model at this mileage. The absence of brake-related advisories in recent tests does not preclude binding calipers, uneven disc wear, or corrosion in the brake lines, so a dynamic brake test under load is essential. Structural integrity should also be assessed, focusing on the floorpan for corrosion—especially around the wheel arches and sills—and the exhaust system for leaks or cracked heat shields. The 2023 failure without recorded defects warrants scrutiny of the vehicle’s service history for unaddressed advisories or recurring minor faults, such as worn wiper blades or faulty bulbs, which might have been overlooked during testing. Finally, the engine bay should be inspected for oil leaks, degraded timing belt covers, and the condition of the turbocharger intercooler, as these are critical for the CDI’s longevity.