2014 Mercedes-Benz C 2.1L Diesel · MU54 TKZ

A prior major suspension fault dominates the MOT record: the near‑side front lower suspension arm ball joint was judged excessively worn and caused a failure in August 2021, indicating that at that point the steering geometry was compromised. The subsequent MOTs from 2022 onward have recorded no defects, and the most recent test on 1 September 2026 passed without comment, suggesting the offending component was replaced or repaired to an acceptable standard. At 132 511 miles the car averages roughly 11 000 miles per year, a usage rate that sits comfortably within the normal band for a twelve‑year‑old executive saloon. Annual testing has been continuous with no multi‑year gaps, so the mileage progression appears steady rather than indicative of prolonged storage or sudden high‑speed abuse. Mechanically this translates to moderate wear on consumables such as brake pads, tyres and suspension bushings, but not the accelerated degradation seen on high‑kilometre vehicles. When inspecting the car, pay particular attention to the near‑side front suspension. A worn ball joint often manifests as a clunk or knock when the steering wheel is turned sharply or when the car passes over bumps, and it may produce uneven front‑ tyre wear or a vague steering pull to one side. Verify that the ball joint and associated arm are securely fastened and free of excessive play. The windscreen damage noted in 2021 should also be examined; even minor chips can propagate under stress, so check for any spreading cracks, especially in the driver’s line of sight, and ensure the seal is intact to prevent water ingress. Given the vehicle’s age, a comprehensive check of age‑related wear items is prudent. Inspect the engine oil for signs of contamination or metal particles, examine coolant hoses for cracks or swelling, and look for any oil or coolant leaks around the valve cover and radiator. Verify that the timing chain or belt (as applicable) shows no abnormal noise and that the exhaust system is free of excessive rust or holes, which could affect emissions compliance. A road test that includes gentle acceleration, steady cruising, and a brief brake fade assessment will help confirm that the braking system and drivetrain are operating within normal parameters.