2009 Mercedes C 2.1L Diesel · FP09 CLF

The most recent MOT on 10 May 2025 was passed, with only two advisories recorded – a slight play in the steering rack inner joint(s) and a small chip in the windscreen. Over the preceding four years the vehicle has consistently passed without any hard failures, but the advisory list shows a pattern of minor corrosion on both front and rear brake pipes in 2022 and a worn front shock‑absorber bush the same year, together with the recurring windscreen chip. This indicates a generally stable maintenance record, yet the persistence of corrosion‑related advisories and the emerging steering rack play suggest that wear is beginning to surface and will need proactive attention. At 158,144 miles for a 2009 model the annual average mileage works out at roughly 9,300 mi per year, which sits comfortably within the normal UK usage envelope for a vehicle of this age. There are no obvious large mileage gaps that would hint at prolonged periods of inactivity, so the wear on consumables such as tyres, brakes and suspension components is likely to be proportional to the recorded distance rather than to calendar ageing alone. Nevertheless, the combination of age and mileage means that many service‑interval items are approaching the end of their typical service life and should be inspected with a view to replacement. When you inspect the car, pay particular attention to the steering feel – any loose feel, excessive play when turning the wheel at low speed, or a clunk when the steering is moved through its full lock could be the early manifestation of the inner joint wear flagged by the MOT. Examine the front and rear brake pipe areas for any signs of rust, cracking or leaking fluid, especially under the wheel arches where grease was previously noted; corroded pipes can lead to reduced braking efficiency and may require replacement. The front shock absorber bush should be checked for excessive movement or a knocking noise when the wheel is pushed up and down; worn bushings can allow the suspension to become imprecise and accelerate tyre wear. Look for uneven tyre tread wear, sidewall cracking or hardening, as the vehicle’s moderate mileage does not preclude age‑related tyre perishing. Verify that the windscreen chip has not propagated and that the glass integrity remains satisfactory. Given the car’s seventeen‑year age, a thorough check of time‑sensitive items is advisable even if the MOT record shows no failures. Test the 12‑volt battery under load, as prolonged storage periods can diminish capacity, and consider a replacement if voltage falls below 12.5 V at rest. Inspect the brake discs for surface rust or glazing, and ensure the pads have sufficient thickness, as standing can cause disc corrosion that leads to uneven pad wear. Confirm that all fluid reservoirs – engine oil, coolant, brake fluid and power‑steering fluid – have been refreshed within the manufacturer’s recommended intervals; fluids can degrade with time regardless of mileage. Finally, review the service book for evidence of regular oil changes, timing‑chain or belt service, and any recorded replacement of the steering rack, brake hoses or suspension components, as documented maintenance will give you confidence that the vehicle’s underlying mechanical health is being managed appropriately.