2021 Mercedes-Benz Sprinter 315 Progressive CDI 1.9L Diesel · KX21 EUG

Extreme annual mileage defines the mechanical profile of this Mercedes-Benz Sprinter, with the vehicle covering over 400,000 miles in just five years. Despite this intense operational demand, the MOT history shows a consistent pattern of clean passes, with the most recent test on 17 August 2026 recording no defects. This sequence of passes in 2024, 2025, and 2026 suggests that the vehicle has met the minimum legal requirements for roadworthiness throughout its recent history without any documented failures or advisories. The recorded mileage of 413,242 miles represents an exceptionally high rate of accumulation, averaging approximately 82,648 miles per year. Such heavy usage typically accelerates the wear cycles of all major mechanical assemblies. In a commercial vehicle of this type, this level of mileage places significant stress on the drivetrain, turbocharger, and fuel injection systems, as well as the heavy-duty suspension components required to manage such frequent high-speed or high-load transit. While the MOT records show no failures, the sheer volume of distance covered means that components are likely approaching the end of their expected service life much sooner than a standard passenger vehicle. Given the lack of recorded advisories, there are no specific documented defects such as corrosion on the subframe or leaking brake pipes to target. However, a prospective buyer should conduct a rigorous physical inspection of the suspension linkages, including bushes, ball joints, and coil springs, as these are prone to fatigue under high-mileage commercial use. During a test drive, pay close attention to any knocking or clunking sounds when traversing uneven surfaces, which could indicate worn suspension components, or any steering pull that might suggest uneven tyre wear or alignment issues resulting from high-mileage operation. Further attention should be directed toward the braking system and the engine's thermal management. Listen for any grinding or squealing that might indicate thin brake discs or binding calipers, and check for any pedal judder under braking. Because the MOT does not capture fluid levels or minor oil misting, a visual inspection of the engine bay for signs of weeping around the rocker cover or turbocharger hoses is essential. Any unusual smoke from the exhaust or fluctuations in engine temperature should be treated as a priority, given the extreme distance this vehicle has travelled in a relatively short timeframe.