2013 Mercedes-Benz C220 AMG Sport CDI Blueeff-CY 2.1L Diesel · JXZ 6853

The Mercedes-Benz C220 AMG Sport CDI has demonstrated a concerning pattern of MOT instability over the past year, culminating in a clean pass only in November 2024 at 141,366 miles—the most recent test. Prior to that, the vehicle failed three consecutive tests between April and June 2023, each time without any defects recorded in the official DVSA history. This absence of specific faults suggests the failures may have stemmed from procedural or administrative issues rather than mechanical deficiencies, though the repeated re-tests imply either unresolved minor concerns or delays in rectification. The November 2024 pass, nearly 16 months after the last failure, indicates the vehicle has since operated without triggering any test failures—a positive but inconclusive sign, given the lack of documented defects. The mileage accumulation of 141,366 miles over 13 years averages roughly 10,874 miles annually, aligning with typical usage for a vehicle of this age. However, the rapid mileage increase between the June 2023 failure (133,745 miles) and the July 2023 pass (134,134 miles)—just 39 miles in 21 days—raises questions about whether the car was driven minimally between tests or if the failures were purely administrative. The subsequent 7,232-mile gap until the November 2024 pass suggests either a period of reduced use or, more likely, a delay in re-testing after the failures were addressed. Without further context, it’s impossible to determine if this reflects neglect or a deliberate holding pattern before resale. Given the lack of recorded defects, a buyer should prioritise a thorough inspection of components prone to silent degradation in high-mileage diesel AMGs. Pay close attention to the suspension—particularly the rear coil springs and anti-roll bar bushes, which are common wear points—and verify there’s no binding in the rear brake calipers, a frequent issue in this model. The absence of corrosion advisories in the MOT history doesn’t guarantee structural integrity, so check for hidden rust in wheel arches, sills, and underbody panels, especially given the vehicle’s age. While the clean MOT pass is encouraging, the history of unexplained failures warrants scrutiny of service records for any overlooked maintenance, such as brake fluid changes or timing belt intervals, which could indicate broader neglect.