2012 Mercedes-Benz C 2.1L Diesel · LL12 MFF

The most recent MOT on 30 November 2023 was passed, but it carried two advisories indicating the near‑side front tyre and both rear tyres are approaching the legal tread limit and showing edge wear. The previous year’s test was also a pass with no recorded defects, although a separate inspection on 23 December 2022 recorded a failure for the near‑side headlamp being aimed too low. In 2021 the car passed with an advisory that the front brake disc was worn, though not yet beyond the acceptable limit. Taken together the record shows a generally stable maintenance pattern with only minor, progressively accumulating wear items rather than any catastrophic or recurring failures. At 142,313 miles for a 2012 model the vehicle averages just over 10,000 miles per annum, which sits comfortably within the normal UK usage envelope. There are no obvious mileage gaps that would suggest long periods of inactivity, so the wear observed on the tyres and brake disc is consistent with the recorded distance. The modest annual mileage means that major drivetrain components such as the transmission, differential and engine bearings are unlikely to be at the end of their service lives, but consumables that are time‑dependent rather than distance‑dependent will need close scrutiny. Prospective buyers should give the tyre condition the highest priority. Verify the tread depth on all four wheels, looking for any uneven wear that could indicate mis‑alignment, worn suspension bushes or camber issues. Check the sidewalls for cracking, dry rot or bulging, especially if the tyres are older than three years, as age‑related perishing can occur even on low‑mileage tyres. The front brake disc should be measured for thickness; if it is approaching the minimum specification the pads will also be near the end of their life, and you may notice shudder or a high‑pitched squeal under heavy braking. The headlamp aim should be inspected visually and, if possible, measured against the legal centre‑line; a lamp aimed too low can reduce night‑time visibility and will require adjustment or replacement of the headlamp assembly. Given the vehicle’s age, a comprehensive age‑based inspection is advisable. Examine the 12‑volt battery for sulphation and test its cranking voltage, as batteries over ten years often lose capacity even with modest use. Inspect all fluid reservoirs – engine oil, coolant, brake fluid and power‑steering fluid – for colour, sediment and correct level; fluids degrade over time and should be replaced on a calendar basis regardless of mileage. Look for corrosion on the chassis, especially around suspension mounting points, brake lines and the exhaust system, as prolonged standing can lead to rust that compromises structural integrity. Finally, confirm that the service book contains regular oil changes, timing‑chain or belt service (if applicable), and that any suspension components such as coil springs, shock absorbers and bushings show no excessive play, leaks or cracked rubber, all of which can manifest as clunking noises or uneven tyre wear during a test drive.