2005 Mercedes-Benz CLK 2.1L Diesel · WD55 DLK

A 2005 Mercedes-Benz CLK presenting with a completely unblemished MOT history across the recorded tests, with the most recent assessment on 11 August 2025 returning a clean pass alongside no advisories, no failures, and no defects logged on either the pass or the earlier fail entry dated the same day. The lack of any documented advisories is unusual for a 21 year old vehicle and suggests that, from a regulatory roadworthiness perspective, the components most commonly monitored during an MOT have not deteriorated to the threshold where testers are obliged to record an observation. However, the absence of recorded defects does not equate to a guarantee of mechanical soundness, as items not examined under the MOT scheme, such as the automatic transmission, timing chains, hydraulic systems, and the multi link front and rear suspension assemblies, do not appear in these records at all. With 123,636 miles accumulated over 21 years, this CLK averages roughly 5,887 miles per year, a notably subdued rate that places it firmly in low mileage territory for its age and class. The MOT history shows annual testing continuity, indicating the vehicle has not been declared off the road via a SORN declaration for extended periods, though the modest annual accumulation does suggest periods of seasonal or weekend use rather than daily commuting. Low annual mileage of this nature can preserve interior and bodywork condition but often accelerates degradation of rubber components, seals, and flexible hoses due to prolonged static periods, and can allow moisture accumulation in the differential and gearbox oil. For a prospective buyer, the absence of recorded advisories means there is no specific component flagged by DVSA testers to direct inspection, yet on a Mercedes of this vintage, particular attention should be paid to the well documented weak points of the W209 chassis. The convertible or coupe body, depending on variant, should be inspected for rust along the wheel arches, boot lid, and lower sill panels, areas that frequently affect these vehicles and are not always fully captured in MOT data. On a test drive, listen for any knocking or clonking noises from the front suspension over uneven surfaces, which can indicate worn lower control arm bushes or ball joints common to this platform, and feel for vibration through the steering wheel under braking, a symptom that often points to front brake disc warping rather than pad wear. The braking system warrants close physical examination even without recorded advisories, as front and rear discs on these vehicles are prone to corrosion at the outer edges and lipping, and the electronic parking brake calipers can seize if the car has stood for extended intervals. On test, the brake pedal should remain firm without excessive travel, the vehicle should pull up in a straight line without deviation, and the handbrake should hold firmly on an incline. Given the clean MOT record and modest mileage, the principal concern for any buyer is not the items previously recorded as defective but rather the ageing components that the MOT does not comprehensively cover, and a pre purchase inspection by a Mercedes specialist, including a borescope examination of the engine cylinders for oil consumption evidence and a scan for any stored transmission fault codes, would be strongly advisable.