2006 Mercedes Sprinter 2.1L Diesel · KR55 STX

The 2006 Mercedes Sprinter holds a valid MOT following the March 2026 test at 171,799 miles, though the maintenance trend is worsening. The most recent examination revealed persistent structural corrosion and a parking brake system operating at the absolute threshold of acceptance. Testers flagged corrosion across multiple sills, specifically noting an holed Offside Front Inner Sill, alongside an unresolved windscreen defect. The heavy underseal applied to the underside suggests an attempt to mask or slow the progression of this rust, which demands serious scrutiny. A vehicle of this age requires careful structural assessment, and the recurrence of these defects indicates a deteriorating standard of upkeep. The recorded mileage of 171,799 miles equates to roughly 8,590 miles per year, a typical figure for a commercial van of this age. The MOT history shows consistent, low-mileage accumulation over recent years. Between January 2023 at 169,060 miles and February 2024 at 170,239 miles, the van covered just 1,179 miles. The mileage then increased by 937 miles to the February 2025 failure at 171,128 miles, and a further 671 miles to the March 2025 pass at 171,176 miles. The current 2026 test sits at 171,799 miles, representing a 623-mile increase over the past year. This minimal usage pattern implies long periods of standing, which often accelerates corrosion on stationary components and leads to seized brake mechanisms. A prospective buyer must thoroughly inspect the sills and structural integrity before purchase. The repeated identification of heavily corroded and holed sills, particularly the Offside Front Inner Sill, raises concerns about the vehicle's long-term structural soundness, despite testers deeming the corrosion outside prescribed areas. The heavy underseal traps moisture against the metal, hiding advanced rust. Mechanical inspection should also focus on the braking system. The parking brake failed in February 2025 and only just met minimum efficiency requirements in March 2026, indicating binding calipers or a system requiring immediate adjustment. The front brake discs were flagged as worn and pitted in early 2024, and the Nearside Front shock absorber displayed oil misting, indicating a failing seal. These combined faults suggest routine maintenance has been deferred.