2021 Mercedes-Benz Sprinter 314 Progressive CDI 2.1L Diesel · LL71 BZX

A pattern of recurring braking and lighting issues defines the mechanical profile of this vehicle, with the most recent test on 21 November 2025 showing a pass despite multiple advisories. While the vehicle cleared its 2025 inspection, the record shows a trend of persistent brake-related concerns, specifically regarding binding and fluctuating service brakes on both the offside front and rear, as well as the nearside front. This follows a significant failure in November 2024, where the parking brake efficiency was recorded as dangerous, falling below 50% of the required value. The recurrence of lighting defects, specifically the offside rear outline marker lamp which failed in both 2024 and 2025, suggests that electrical or bulb-related issues have been a persistent factor in the vehicle's MOT history. The recorded mileage of 109,816 miles for a five-year-old vehicle represents a high annual accumulation of approximately 21,963 miles. This intensive usage pattern indicates the vehicle has likely been used for heavy commercial or long-distance transit, which naturally accelerates the wear on consumable components and structural linkages. High-mileage commercial vehicles often experience more rapid degradation of suspension bushes, steering components, and braking systems compared to private passenger cars. The consistent annual mileage suggests regular operation rather than long periods of stationary use, meaning mechanical components have been subject to continuous thermal cycling and mechanical stress. Prospective buyers should pay close attention to the braking system during a test drive to address the multiple advisories for binding and fluctuating brakes. Listen for any unusual noises during deceleration and feel for pedal judder or a pulsating sensation through the brake pedal, which can indicate uneven disc wear or sticking calipers. The advisory regarding the offside front track rod end ball joint having slight play in the inner tie rod necessitates a careful check of the steering response. On the road, look for any steering pull or a vague, wandering sensation at cruising speeds, which could indicate that the play in the steering linkage is progressing. Given the history of parking brake failure and the recent advisories for brake fluctuations, a thorough inspection of the handbrake mechanism and the condition of the rear brake linings and discs is essential. The previous failure regarding a seriously damaged obligatory mirror also highlights the importance of checking all external glass and housing for structural integrity. Because the vehicle has covered significant mileage in a relatively short timeframe, the integrity of the suspension system and the condition of the drivetrain should be verified by checking for any knocks or clunks when driving over uneven surfaces or speed bumps.