2005 Mercedes CLK 1.8L Petrol · KP05 TZK

The vehicle is currently roadworthy but the maintenance history shows a clear worsening trend regarding suspension and exhaust integrity. While the car passed its February 2026 test at 152,285 miles, the tester identified several new mechanical failures that were not present in previous years. The appearance of play in the steering rack inner joints and a defective exhaust mounting with a central leak indicates that components are now reaching the end of their functional life simultaneously, marking a shift from the clean record seen in 2023. At 152,285 miles over 21 years, the CLK has averaged approximately 7,250 miles per year, which is consistent with low-use older luxury vehicles. The data shows a significant jump in mileage between April 2024 (135,239 miles) and April 2025 (147,781 miles), representing over 12,000 miles in a single year. This increased usage likely correlates with the accelerated wear observed on the rubber components and braking system, as the vehicle began accumulating multiple advisories during this period despite the overall low annual average. A buyer must prioritise inspecting the front suspension and steering system. The record shows a recurring history of worn anti-roll bar bushes and suspension arm ball joints dating back to 2024. The most recent finding of severely deteriorated ball joint dust covers and play in the steering rack inner joints is a serious mechanical concern that requires immediate attention to ensure precise handling. Furthermore, the 2025 failure due to excessively corroded brake pipes under the fuel tank and at the rear hose necessitates a thorough visual inspection of the entire braking line to ensure structural corrosion has not progressed beyond the point of repair. The exhaust system and engine also require close monitoring. The vehicle failed in April 2025 on high carbon monoxide and a silencer leak, which persisted as a minor leak in the February 2026 test. Combined with the persistent oil leak noted across the last three tests, the buyer should check for engine seal integrity and ensure the exhaust system is fully sealed. The history of worn and pitted brake discs also noted in 2025 suggests that while the system is currently legal, the components are nearing their replacement interval.