2012 Mercedes-Benz Sprinter 2.1L Diesel · RX62 GOE

A repeating pattern of parking brake inefficiency dominates the mechanical history of this 2012 Mercedes-Benz Sprinter and forms the central concern for any prospective buyer. The vehicle passed its most recent test on 23 March 2026 with no defects recorded, which on the surface suggests the issue has been resolved. However, that pass sits immediately after a failure on 18 March 2026 for the same parking brake efficiency defect (1.4.2 (a) (i)), and a second failure on 12 September 2025 cited parking brake efficiency below requirements alongside a loose rear nearside seat belt anchorage on a rear facing seat stalk (7.1.1 (b)) and an offside rear service brake that was excessively binding because the park brake was not releasing (1.2.1 (f)). The vehicle has subsequently passed tests on 12 March 2025 and 23 September 2025, but the recurrence of identical brake and handbrake faults across two separate failures indicates an underlying issue with the rear brake mechanism, handbrake cable, or caliper actuation rather than a one-off adjustment. With 197,951 miles recorded over approximately fourteen years, this Sprinter has accumulated around 14,100 miles annually, which is a notably high figure for a commercial vehicle of this age and points to sustained heavy operational use. There are no significant gaps between test entries that would suggest long periods off the road, and the mileage progression between tests is consistent with regular working use. Mechanically, this level of sustained mileage on a Sprinter typically translates to advanced wear on suspension components such as front lower wishbones, anti-roll bar links and rear leaf spring bushes, together with significant wear on brake discs, pads and the handbrake mechanism that has already triggered multiple defects. Diesel particulate filter condition, clutch wear, dual-mass flywheel integrity and turbocharger health should also be considered given the high accumulated mileage, even though none of these items were specifically flagged at test. Given the repeated failures centred on the rear brakes and parking brake mechanism, a test drive should include a focused assessment of this system. With the vehicle stationary on level ground, apply the handbrake firmly and attempt to drive away in first gear; any failure to hold, or requirement to apply excessive force to achieve hold, would indicate worn rear shoes, stretched cables or a faulty ratchet mechanism. Listen for any dragging or grinding from the rear wheels after the handbrake is released, which would suggest the binding fault flagged in September 2025 has returned, and feel for the rear brakes releasing cleanly when the footbrake is depressed while reversing slowly. The pedal should feel firm without excessive travel, and the vehicle should pull evenly to a stop under progressive footbrake application; any pulling to one side or juddering under braking would warrant further inspection of the rear calipers and discs. Beyond the brake-specific checks, the test drive should also address suspension condition and structural integrity consistent with a high-mileage Sprinter. Drive slowly over speed humps and listen for clonking or knocking from the front, which would suggest worn lower wishbone bushes, drop links or top mount bearings. Check for any rear leaf spring cracking or sagging, particularly on the offside where the previously failed seat belt anchorage was located, and confirm the rear seat stalks are now firmly anchored with no movement when the seatbelt is pulled sharply. Inspect the underside for any signs of corrosion on the rear axle, brake pipe routing along the chassis rails and the handbrake cable run from the lever to the rear drums, as corrosion in these areas on a fourteen year old commercial vehicle is common and can directly contribute to the parking brake efficiency faults already recorded. Finally, on cold start, listen for any extended diesel rattle, smoke from the exhaust, or hesitation under acceleration, all of which would warrant independent inspection given the high accumulated mileage.