2021 Mercedes-Benz Sprinter 314 Progressive CDI 2.1L Diesel · YA70 YST

The most recent DVSA MOT test, conducted on 6 January 2026, resulted in a pass with no defects or advisories recorded, indicating that the vehicle was deemed roadworthy at the time of examination. The preceding tests in January 2025 and January 2024 also returned clean passes with no advisories, and the only recorded failure occurred on 26 January 2024 for a single major defect relating to a split or insecure nearside front drive shaft constant velocity boot. This isolated defect was rectified and the vehicle passed a re-test on the same date, with no recurrence or related advisories in the two subsequent annual examinations. Overall, the maintenance trend appears stable and the absence of any recurring suspension, brake, corrosion, or structural advisories across multiple tests suggests the vehicle has been maintained to a consistent standard. However, a clean MOT record does not preclude underlying wear, particularly given the vehicle’s commercial application and mileage profile. With 107,496 miles recorded over approximately five years, the Sprinter is accruing around 21,500 miles annually, which is high for a panel van of this age and likely indicative of sustained commercial or fleet use rather than occasional light duty. This level of usage places above-average demands on the drivetrain, clutch, braking system, suspension components, and engine ancillaries, accelerating wear on items such as dual-mass flywheels, turbochargers, injectors, and gearbox mounts. The mileage progression across the four recorded tests appears consistent and continuous, with no significant gaps that might suggest extended periods of standing. Continuous high-mileage operation is generally preferable mechanically to sporadic use, as components remain in active service and seals, lubricants, and bearings do not deteriorate from inactivity. Nonetheless, a buyer should anticipate that consumable replacement intervals may need to be shortened relative to a lower-mileage equivalent. Given the high annual mileage and the previous CV boot failure, a prospective buyer should pay particular attention to the drivetrain on inspection. A split CV boot, if left unattended, permits ingress of dirt and moisture into the constant velocity joint, leading to accelerated wear, vibration under load, and ultimately joint replacement rather than simple boot refurbishment. On a test drive, listen for clicking or knocking noises from the front end during full-lock turns, particularly at low speed, and feel for any shudder or vibration through the steering wheel. Inspect the inner and outer CV boots visually for fresh grease deposits, perishing, or splits, and check for any signs of recent repair. It is also prudent to verify the service history documentation to confirm that the CV joint has been properly attended to since the 2024 defect, and to ensure that subsequent driveshaft components have not been compromised. Beyond the specific CV boot history, the high-mileage commercial usage warrants a thorough appraisal of the braking system, suspension, and engine ancillaries. On a road test, the brakes should be assessed for shudder, pulling, or sponginess, and the discs checked for lipping and hot spots indicative of repeated heavy loading. The suspension should be examined for any knocking over uneven surfaces, which could signify worn bushes, drop links, or shock absorbers, all of which are subject to accelerated degradation under commercial load conditions. The tyres should be inspected not only for tread depth but for uneven wear patterns suggesting misalignment or worn suspension geometry, and although the vehicle is five years old, sidewall perishing is less likely given the mileage, but should still be checked. Finally, given calendar age as well as mileage, verify the age and condition of the 12-volt battery, confirm that brake fluid and coolant have been renewed within their recommended service intervals, and ensure that the timing belt or chain service schedule, depending on the OM651 engine specification, has been observed, as neglect of these time-based items can result in significant repair costs on high-mileage diesel commercial vehicles.