2009 Mercedes Sprinter 2.1L Diesel · MX09 WGK

The 2009 Mercedes Sprinter passed its most recent MOT on 13 March 2026 at 136,140 miles, but the maintenance trend is not reassuring. The vehicle failed just four days earlier on 9 March 2026 at 136,133 miles, and while the tester cleared the major structural corrosion failures before the retest, four advisories remain on the current pass. Rear brake discs are worn, both rear leaf spring shackle brackets are corroded, and a rear brake pipe is corroded beneath grease. These are not new defects. They carried over from the failed test and were simply not flagged as dangerous enough to fail the retest. The pattern suggests a vehicle that is being kept legal rather than properly repaired. Mileage accumulation is broadly typical for a 17-year-old commercial van, sitting at roughly 8,000 miles per year. The record shows 132,293 miles in March 2024, 135,052 miles in March 2025, and 136,140 miles in March 2026, indicating consistent but not excessive use. There are no alarming gaps or sudden jumps in the odometer. The annual mileage is low enough that major drivetrain wear should be limited, yet the corrosion issues visible in the 2026 tests suggest the van has spent periods standing or operating in conditions that promote rust rather than accumulating highway miles that keep components dry and free. The most significant concern is the rear suspension corrosion that caused the March 2026 failure. Both rear spring front mounts and the shock absorber-to-drop-link mounting points were flagged as excessively corroded with significantly reduced structural strength. The retest passed, meaning the tester judged the corrosion no longer at the point of failure, but the underlying problem has not been resolved. A buyer should physically inspect the rear chassis rails, spring hangers, and shock absorber mounts with a torch and probe. Surface-level underseal or grease masking, as noted on the rear brake pipe, can hide advanced section loss. Any soft metal or flaking around these mounting points would indicate the van is approaching another failure. Beyond the structural rust, the rear braking system needs close attention. Worn rear discs and a corroded brake pipe covered in grease point to deferred maintenance. The pipe should be replaced if the corrosion is active, not simply cleaned and coated. The nearside repeater lens is a minor defect, but it confirms a general pattern of small faults being left unrepaired. Front suspension wear flagged in 2024, including slight play in the nearside lower arm ball joint, may have progressed. A buyer should check for uneven tyre wear, knocking over bumps, and any play in the front end before committing to purchase.