2013 Mercedes-Benz Sprinter 2.1L Diesel · FL63 BZN

A cluster of five major defects at the most recent test on 17 April 2026 marks a clear deterioration from this Sprinter's earlier record, which had been largely clean since 2018. The failure items span several systems: both windscreen wipers failing to clear the screen effectively, a missing brake hydraulic reservoir cap, an illuminated or inoperative engine malfunction indicator lamp, an inoperative nearside reversing lamp, and offside headlamp aim set too low. The brake reservoir cap is the most concerning item, as an open reservoir risks fluid contamination and spillage, though it is also a trivially inexpensive part to replace. The engine MIL warning is the item demanding the most scrutiny, since on a high-mileage diesel van of this era it can point to anything from a faulty sensor to EGR, DPF, or injector faults that carry significant repair costs. Prior to this, the van passed in 2020, 2022, and 2023 with no defects recorded, so the recent record cannot be described as strong; the trend is worsening, and there is a conspicuous three-year gap between the April 2023 pass and the April 2026 failure during which no test is recorded. The recorded mileage of 261,504 miles over roughly thirteen years equates to about 20,000 miles per year, which is high and consistent with sustained commercial use rather than occasional duties. The absence of any test between April 2023 and April 2026 is notable for a working vehicle and should be queried; either the van was off the road for an extended period or testing was simply overdue, and the mileage at each test should be checked to establish which. Mechanically, this accumulation rate means consumables and load-bearing components will have seen hard service: suspension bushes, anti-roll bar linkages, brake discs and calipers, wheel bearings, clutch and drivetrain components, and the diesel emissions system are all areas where wear should be expected rather than treated as a surprise. The earlier advisories give useful pointers for inspection. An oil leak, recorded as not excessive in June 2021, warrants a look underneath for fresh seepage around the engine and turbo area, and a check of the oil level against the dipstick. A worn nearside rear anti-roll bar linkage bush was noted in October 2019; on a test drive, listen for a knock or rattle from the rear over uneven surfaces and speed bumps, which would indicate the wear has progressed. Electrical faults recur in the history, with a failed offside dipped beam and a rear position lamp bulb flagged in 2021, and now a reversing lamp and headlamp aim issue in 2026, so every exterior lamp, the wipers on all speeds, and the washer jets should be verified as working. Before purchase, insist on evidence that the April 2026 failure items have been rectified and that a fresh pass certificate exists. Ask for a diagnostic scan to identify exactly what triggered the engine MIL, and do not accept assurances that it is merely a sensor without the fault codes to prove it. On the road, check for smooth brake pedal feel without judder or pull, straight tracking under braking, and absence of smoke or hesitation under load, which on this engine could indicate injector or turbo wear. Given the mileage and the unexplained testing gap, an independent inspection by a mechanic familiar with the Sprinter range would be money well spent.