2005 Mercedes-Benz CLK 3.5L Petrol · LS55 XLJ

A pattern of recurring front suspension wear and brake component degradation defines the mechanical profile of this 2005 Mercedes-Benz CLK, with the latest test on 24 October 2025 reflecting a pass that was only achieved after rectifying a headlamp aim failure on the same day. Across the seven recorded tests, three failures have occurred, all within the last three years, signalling a recent downward trend in roadworthiness. The 2025 pass retained four advisories covering front anti-roll bar D bushes, offside front anti-roll bar linkage ball joint play, pitted front brake discs, and a corroded offside rear brake pipe. Comparable advisories appeared in 2024 (anti-roll bar linkage play, pitted front discs) and a front lower suspension arm ball joint was classified as excessively worn in the 2024 failure, while 2023 recorded multiple suspension arm pin or bush advisories. The front end is therefore demonstrating progressive component wear across anti-roll bar bushes, drop links, and suspension arms, with brake discs also showing repeated pitting on the inner face. With 91,047 miles recorded over approximately 21 years, the vehicle has averaged around 4,336 miles annually, which is low for the age and model. Annual mileage of this level typically reflects a combination of light use and extended periods of standing rather than sustained regular driving. The MOT record shows broadly consistent annual testing from 2021 onwards with no significant gaps, suggesting the vehicle has remained on the road throughout this period despite the low accumulation. Mechanically, low mileage over a long ownership period can lead to premature ageing of rubber components such as bushes, brake hoses, and tyres due to environmental exposure rather than wear, and this aligns with the recurring advisories on suspension bushes, the perished front tyre sidewalls noted in 2024, and the deteriorated nearside rear brake hose flagged in 2022. For a prospective buyer, the front suspension assembly warrants close physical inspection and a deliberate test drive. With anti-roll bar D bushes, drop link ball joints, and a lower arm ball joint all flagged across recent tests, listen for clonking or knocking noises from the front end over speed humps, uneven road surfaces, and during direction changes, and feel for vagueness or imprecise turn-in through the steering. The front brake discs have been noted as worn and pitted on the inner face at consecutive tests, so check for brake judder under firm pedal application and inspect disc runout and lip measurement; the offside rear brake pipe was also flagged as corroded in the latest test and should be examined along its full length for surface corrosion, pitting, or seepage, particularly at unions and along the underbody. The 2025 headlamp aim failure, which was rectified on the same day, suggests the headlamp adjusters may be worn or the lens oxidised, so verify beam pattern, pattern sharpness, and that both lamps can be aligned correctly. Finally, given the age and the brake hose deterioration flagged in 2022, all flexible brake hoses should be checked for cracking and bulging under pressure, and the subframe and mounting points examined for corrosion consistent with a vehicle of this age.