2000 Mercedes CLK 2.3L Petrol · W774 BBW

A clear pattern of age‑related corrosion emerges from the MOT record, with fuel‑pipe corrosion flagged every year since 2021 and a front brake pipe declared excessively corroded in the 2021 failure. The 2021 test also recorded a dangerous rear‑tyre bulge and a near‑limit front‑tyre wear, while later tests have repeatedly noted worn suspension‑arm pins and a deteriorating front prop‑shaft flexible coupling. Although the most recent 2026 test was passed, the lingering advisories underline that the vehicle’s primary risk lies in progressive metal degradation rather than any sudden mechanical failure. At 125,053 mi the car averages just under 5,000 mi per annum, a mileage level that is modest for a 2000 model. The annual MOT history shows no significant gaps, indicating the vehicle has been kept on the road consistently rather than stored for long periods. Low cumulative mileage reduces wear on consumables such as tyres, brakes and bushings, yet the corrosion issues are driven more by age and exposure than by distance covered, meaning that even with modest use the metal components have been subject to decades of environmental stress. Prospective buyers should have the fuel lines inspected for external corrosion, cracking or any signs of leakage, and consider a full replacement as a preventive measure. The front brake pipe, once deemed excessively corroded, warrants a pressure test and visual inspection for rust or fluid loss; any soft or spongy pedal feel could indicate a compromised line. The upper rear suspension arm pins and bushes, flagged repeatedly, should be checked for excess play or binding when the wheels are rocked, and the front prop‑shaft flexible coupling should be examined for looseness or oil seepage that could presage vibration. Corroded coil springs, noted in 2021, may affect ride height and handling and should be measured for sag or uneven compression. During a test drive, listen for clunking or knocking over bumps that would betray worn suspension bushings, feel for any judder or pulsation under braking that could signal a deteriorating brake pipe, and watch for a whine or vibration from the front prop‑shaft area. Inspect all external lights for the minor lens defects recorded, and verify that no tyre bulges, sidewall cracks or tread‑wear discrepancies are present, especially on the rear off‑side tyre that previously exhibited a structural bulge. A qualified mechanic’s pre‑purchase inspection focused on these corrosion‑prone areas will be essential before committing to purchase.