2004 Bentley Continental 6.0L Petrol · WA04 YNH

A sudden emergence of electrical and emissions failures after more than a decade of clean MOT records defines the current risk profile of this 2004 Bentley Continental; the July 2025 test recorded major defects on the nearside front position lamp, a complete loss of direction‑indicator function and an exhaust lambda sensor reading outside the prescribed limits, while earlier tests from 2007 to 2012 showed no recorded faults. This shift from a long‑standing pass history to multiple failures suggests that the vehicle’s wiring, lighting modules or emission‑control hardware may now be deteriorating, and the recent outcome should be taken as a clear indicator that these systems require immediate attention before the car can be considered road‑worthy. The recorded mileage of 14,850 mi over a 22‑year lifespan averages roughly 675 mi per annum, a figure markedly lower than typical usage for a vehicle of this age. Such low annual accumulation often points to prolonged periods of inactivity or very light use, which can leave seals, rubber components and bushings prone to drying out or cracking, and may also increase the likelihood of corrosion developing in hidden areas. While the low mileage reduces wear on consumables such as brake pads, tyres and clutch components, the combination of age and limited running time means that any parts that have not been exercised regularly could be approaching the end of their service life despite the modest odometer reading. Potential buyers should concentrate the pre‑purchase inspection on the lighting and emissions systems that triggered the recent failures. Verify that the nearside front position lamp housing, bulb and connector are intact and free of corrosion, and test the operation of all direction‑indicators under both static and dynamic conditions. A diagnostic scan for fault codes related to the lambda sensor and associated ECU parameters is essential; look for intermittent check‑engine warnings, rough idle, or a noticeable loss of power that could signal a failing sensor or exhaust restriction. Confirm that the exhaust system downstream of the sensor shows no signs of excessive soot or damage that might affect sensor performance. Given the vehicle’s age and low mileage, a thorough visual and tactile survey of the chassis, suspension and braking components is advisable. Inspect the suspension arms, bushings and coil springs for any signs of rust, cracked rubber or loosened bolts, and listen for knocks or clunks when the car is driven over bumps. Examine the brake discs and pads for uneven wear, glazing or scoring, and assess pedal feel for any judder or sponginess that could indicate hidden wear. Finally, check the condition of the tyres for dry rot, sidewall cracks and adequate tread depth, and look for any corrosion or fatigue in the steering rack and subframe that might not have been captured by the MOT but could affect long‑term reliability.