2009 Mitsubishi L200 2.5L Diesel · AA09 BAB

A persistent pattern of corrosion across the chassis, suspension and underbody dominates the mechanical history of this 2009 Mitsubishi L200, with the advisory notes gradually intensifying over successive tests rather than resolving. The most recent examination on 25 September 2025 produced a pass alongside a fail on the same day, the failure attributable to an inoperative or malfunctioning engine management indicator lamp, while a minor recorded an insecure battery and an advisory noted underseal covering the underbody. Looking back through the record, structural rigidity has been flagged as compromised by surface corrosion since at least 2022, with the subframe noted as corroded in 2022, general corrosion recorded in 2024, and widespread suspension arm corrosion flagged in 2023. Two PRS failures in the available history, the engine MIL lamp in 2025 and a non-functioning rear fog lamp in 2022, sit alongside a stream of advisories covering brake pipe corrosion, power steering seepage, suspension ball joint play and tyre wear. Taken together, the trend is one of steady deterioration rather than stable roadworthiness, particularly beneath the vehicle. Recorded mileage of 116,446 miles across approximately seventeen years equates to an annual accumulation of roughly 6,850 miles, which is broadly typical for a working vehicle of this age. There are no extended gaps in the MOT record suggestive of a long-term lay-up, with annual or near-annual tests recorded from 2020 through 2025, and the mileage progression between examinations appears broadly consistent rather than displaying sudden jumps or implausibly low figures. This pattern suggests the vehicle has been in regular use throughout the recent testing period, which for a L200 typically implies a mix of on-road and light off-road or utility work. The consequence mechanically is that the chassis, drivetrain and suspension have accumulated wear proportionate to that usage, and the corrosion advisories are consistent with a vehicle that has been worked rather than garaged. For a prospective buyer, the brake pipe corrosion advisories from the 2020 test deserve particular attention, as these were noted on both nearside rear pipes running from the centre of the vehicle to the flexible hoses, and on the nearside front pipe leading to the flexible hose. These are areas where corrosion progresses beneath underseal and can lead to brake fluid leaks or pipe failure under pressure, so a thorough physical inspection of the brake lines, particularly along the underside of the chassis and around the flex-to-rigid junctions, is essential. The power steering seepage advisory from 2023 should prompt a check for fresh fluid around the pump, rack and hoses, and listening for a whining or groaning noise from the pump on full-lock steering during a test drive would indicate worsening wear. The upper suspension arm ball joint play flagged on the nearside front in 2024 is another area to test on the road, as worn ball joints typically produce a clonking or knocking noise from the front suspension when traversing speed bumps or uneven surfaces, and may also induce vague steering or uneven tyre wear. It would be prudent to jack the vehicle and physically check the joints for any movement beyond the manufacturer tolerance, as the advisory suggests deterioration that may now have progressed. The structural and underbody corrosion theme is the most significant long-term concern, with the subframe noted as corroded in 2022 and general corrosion and underbody corrosion flagged across multiple subsequent tests. On the L200, the front subframe mounting areas, chassis rails and suspension mounting points are particularly susceptible, and any future test is likely to escalate these advisories towards a failure category if left unchecked. A physical inspection on a ramp or over a pit is highly recommended, paying close attention to the integrity of the subframe, chassis outriggers and suspension arm mounting points rather than relying solely on the cosmetic appearance of underseal, which can mask advanced underlying corrosion. The 2025 engine MIL lamp failure is also worth investigating before purchase, as it indicates either a stored diagnostic trouble code or a faulty indicator bulb, and a live diagnostic scan should be carried out to confirm no active emissions or engine management faults are present. Finally, the recurring tyre wear advisories, including edges worn close to the legal limit on both rear tyres in 2021, suggest the tracking or suspension geometry may be marginally out, so a four-wheel alignment check and inspection for uneven tread wear across the current tyres would be a sensible precaution.