2012 Iveco Daily 35C11 MWB 2.3L Diesel · WX12 AGY

A developing pattern of underbody corrosion is the defining mechanical characteristic of this 2012 Iveco Daily 35C11. The 2026 test on 2 July recorded a PASS alongside an advisory noting underbody corrosion, continuing a clear deterioration trajectory that began as slight surface corrosion in 2023 and progressed to more pronounced surface corrosion in 2025. For a commercial vehicle of this age and likely working background, this progression is a significant structural concern rather than a cosmetic one, as Iveco Daily chassis rails, outriggers, and cross members are known to suffer from deep section loss once surface corrosion takes hold. The most recent test did pass overall, but the corrosion trend warrants close physical inspection of load-bearing areas, particularly around the spring hangers, rear axle mounting points, and any jacking or jacking-point reinforcement plates. A 2023 failure for a dangerous nearside rear tyre with tread depth below 1.6mm, since resolved, sits alongside advisories that have now cleared, but the recurring underbody theme remains the principal mechanical risk for any prospective buyer. At 122,308 recorded miles over approximately 14 years, the vehicle accumulates around 8,700 miles annually, which is broadly typical for a light commercial of this class but on the lower side of operational use, suggesting either part-time deployment or extended periods of standing between jobs. The mileage progression through the MOT records appears consistent and credible, with no suspicious gaps or rapid accumulations that would indicate clock irregularities. That said, the lower annual mileage means the vehicle may have spent considerable time stationary, and diesel engines subjected to short, infrequent runs are prone to issues such as DPF soot loading, turbo actuator seizure, injector fouling, and EGR valve carbon build-up. The buyer should establish how the vehicle has actually been used, whether it has been regularly run under load for sustained periods, and whether any warning lights or performance issues have been logged. Focusing on the flagged components, the 2023 advisory for an offside rear suspension arm pin or bush warrants particular attention, as Iveco Daily rear leaf and trailing arm bushings degrade with age and load cycles, often presenting as clonking noises over speed humps, uneven tyre wear across the rear axle, or vague handling through high-speed sweeping bends. The same 2023 test also noted an oil leak, not classified as excessive, but oil leaks on the Daily commonly originate from the crankshaft seal, sump gasket, or injector return pipes, and on a 122,000-mile example the source and severity should be physically traced, as prolonged seepage can mask developing issues with the timing belt area or rear main seal on higher-mileage units. The 2024 advisory for a nearside front tyre worn close to the legal limit and on the edge typically points to suspension geometry misalignment or worn front bushes, so a check for uneven shoulder wear across all four tyres is essential, along with a feel for steering wander or pulling under braking. On a physical inspection and test drive, the buyer should listen specifically for rear suspension clonks or knocks over uneven surfaces, which would indicate that the trailing arm bushes flagged in 2023 have deteriorated further, and pay close attention to brake pedal feel and pulling, given the working background of the vehicle. Underneath, a torch and ideally a ramp inspection should confirm whether the underbody corrosion remains superficial or has progressed to structural perforation, particularly along the chassis rails, sill areas, and any outriggers. The engine should be observed from cold start for excessive smoke, particularly blue haze indicative of turbo seal or piston ring wear, and the DPF should be tested for active regeneration by ensuring a sustained motorway-style run is possible without restricted performance. Finally, verify the condition of the offside front non-obligatory mirror noted as damaged in 2023, and confirm that all tyres, including any replacements, are of consistent type and age, as a commercial vehicle displaying uneven wear between axles typically reflects underlying suspension or alignment issues that warrant rectification.