2008 Mercedes Viano 2.1L Diesel · YT08 WFR

The 2008 Mercedes Viano passed its most recent MOT test on 25 February 2026, although it had failed earlier on the same date due to an offside front headlamp aim being too low, which was clearly rectified prior to the re-test. Despite the pass, the current advisory items are not trivial: all four tyres are noted as having cuts not deep enough to reach the ply or cords, both rear shock absorbers have slightly worn bushes, and both rear anti-roll bar linkage pins or bushes are showing wear without yet resulting in excessive play. These advisories, taken together with the 2025 failure for a serious fluid leak from an offside rear shock absorber and the 2022 dangerous failure for rear brake pads being less than 1.5 mm thick, suggest that the rear suspension and brake components have been subject to recurring attention over the test cycle. The maintenance trend is best described as broadly compliant but with a steady pattern of rear-end wear and fluid leaks that a buyer should treat as a signal of impending refurbishment rather than dismiss as routine. At approximately 134,524 recorded miles over 18 years, this Viano averages around 7,474 miles per year, which is broadly typical for a vehicle of its age and former fleet or family MPV usage. The mileage progression between tests is consistent and incremental, indicating the vehicle has been in regular use rather than left standing for prolonged periods, which is generally favourable for avoiding dry-rot in seals, brake disc corrosion, and stale fluids. That said, 134k miles on a large Mercedes diesel MPV places meaningful demand on the clutch, dual-mass flywheel, automatic transmission torque converter, turbocharger, injectors, and EGR system, none of which are visible on an MOT but all of which should be considered in any purchase decision. The advisory cuts on all four tyres warrant close physical inspection of the sidewalls for cracking and perishing, as an 18-year-old vehicle is particularly susceptible to age-related rubber degradation even where tread depth remains adequate, and any sidewall damage should prompt immediate replacement regardless of MOT status. The worn rear shock absorber bushes and anti-roll bar linkage wear point to suspension deterioration that will progress; on a test drive, listen for clonking or knocking from the rear over speed humps and uneven surfaces, and pay attention to any vagueness or wallow through high-speed corners, which would indicate the dampers themselves are also tiring. The 2025 advisory for a non-obligatory stop lamp not working is a simple bulb or wiring fix, but verify that all other exterior lamps, including the rear fog lamp, function correctly and that headlamp alignment is now within tolerance following the 2026 adjustment. Given the recurring advisories for engine and differential oil leaks noted across 2022, 2023, 2024 and 2025, the underside of the vehicle should be examined on a ramp or with a torch for fresh drips, weeping seals around the differential pinion and sump, and any residue suggesting active leakage rather than historic staining. The 2022 dangerous brake pad finding and the persistent rear suspension bellows damage advisories indicate that the rear calipers, discs, and air spring units should be physically inspected for pad material remaining, disc lip and corrosion, and bellow integrity. Beyond the MOT-recorded items, a vehicle of this age and mileage should be treated to time-based servicing regardless of MOT outcome: the 12V battery is well within replacement age and should be load-tested, all cooling system hoses and the radiator should be checked for perishing, brake fluid should be renewed, and the timing chain or belt service interval should be confirmed against Mercedes documentation. A compression test and a diagnostic scan for stored fault codes relating to the injectors, turbo, DPF and transmission would also be prudent given the higher mileage.