2021 Mercedes-Benz Sprinter 314 Progressive CDI 2.1L Diesel · YL21 CMF

The 2021 Mercedes-Benz Sprinter 314 Progressive CDI has maintained a clean MOT history through its most recent tests, passing without any recorded defects in both the July 2024 (166,507 miles) and July 2025 (214,321 miles) assessments. This suggests a stable roadworthiness trend over the past two years, though the absence of advisories or minor faults does not preclude underlying wear that hasn’t yet reached MOT failure thresholds. The most recent test, just under a year ago, confirms the vehicle remains legally compliant for road use, but the high mileage—now approaching 214,000—demands closer scrutiny of high-wear components. The recorded mileage of 214,321 miles over approximately five years equates to an average of 42,864 miles annually, which is unusually high for a commercial van of this age. This rate of accumulation implies either consistent heavy usage or prolonged periods of inactivity followed by rapid mileage spikes, neither of which are ideal for long-term structural or mechanical integrity. The gap between tests—just under a year—is standard, but the lack of intermediate maintenance records raises questions about whether servicing was conducted between MOTs. Such high mileage accelerates wear on suspension bushes, coil springs, brake calipers, and drivetrain components, all of which should be inspected for premature degradation. Given the clean MOT pass but the vehicle’s age and mileage, a buyer should prioritise an in-person inspection of the suspension system, particularly the rear axle where binding or uneven wear is common in high-mileage vans. The brake system warrants thorough examination, including caliper binding, disc thickness, and rotor runout, as repeated heavy braking cycles could have contributed to uneven wear. Structural corrosion, particularly around wheel arches, sills, and the underbody, should be checked for signs of rust penetration that could compromise the chassis. Additionally, the exhaust system—often overlooked in MOTs—should be inspected for leaks or excessive corrosion, as high-mileage diesel engines are prone to catalytic converter or turbocharger issues. The absence of advisories in the MOT history does not guarantee these areas are free from hidden damage.