2004 Mercedes-Benz C 1.8L Petrol · LL04 GOC

The most recent DVSA examination on 12 April 2025 resulted in a pass, although the inspector recorded five advisories that warrant attention. Importantly, the prior test on 25 April 2024 was completely clean, which suggests a broadly maintained vehicle whose overall trend is stable rather than deteriorating. The earlier failures in 2022 and 2023 were predominantly related to lighting defects, a fractured front coil spring, and fluctuating front brake efficiency, all of which appear to have been rectified at the time. The emergence of suspension and sub-frame advisories in the latest test, combined with earlier brake fluctuation issues, indicates a pattern of wear accumulating on the chassis and undercarriage components that should be factored into any purchase decision. With 139,476 miles recorded over a 22-year life, the vehicle averages around 6,340 miles per year, which is broadly typical for its age and consistent with regular but not excessive use. There are no significant gaps in the MOT record that would suggest long periods of standing, which is beneficial because prolonged inactivity typically leads to brake disc pitting, binding calipers, and accelerated underbody corrosion. However, the mileage is now substantial for a car of this vintage, meaning wear-sensitive items such as suspension bushes, engine mounts, automatic transmission components, and cooling system parts will be approaching or have passed their expected service life. The annual mileage figure also confirms the advisories are likely genuine wear items rather than artefacts of neglect. The 2025 advisories deserve close mechanical attention. The offside front suspension arm pin or bush and the outer track rod end ball joint showing slight play are both progressive wear items; on inspection, expect to feel vague steering response, minor clunks over speed humps, and uneven inner or outer tyre shoulder wear. The nearside rear coil spring corrosion advisory is particularly significant on a 22-year-old vehicle, because corroded springs can fracture suddenly and are a common MOT failure point, as evidenced by the nearside front coil spring fracture recorded in February 2022. The rear sub-frame and surrounding suspension component corrosion advisories should prompt a thorough underbody inspection, ideally with the vehicle raised, to confirm there is no perforation or weakening beyond the inspector's findings, and any structural rectification would be costly. Beyond the recorded defects, a prospective buyer should conduct a comprehensive physical inspection. Given the age, all tyres should be checked for sidewall perishing and cracking regardless of tread depth, as the rear pair have been repeatedly flagged for this since 2022. Brake discs and calipers should be examined for corrosion and seized slide pins, the 12V battery tested for cranking capacity as units of this age commonly fail without warning, and all fluids including brake fluid, coolant, and power steering fluid verified for condition and age-related degradation. On a test drive, listen for suspension knocks over uneven roads, feel for any brake shudder or pulling under heavy braking, monitor the automatic transmission for harsh or delayed gear changes, and watch for any warning lights or abnormal smoke from the exhaust. Given the mileage, also budget for imminent replacement of suspension bushes, track rod ends, and potentially the rear coil spring if not already addressed.