2013 Mercedes-Benz C 2.1L Diesel · SN13 NXT

The most recent MOT on 20 August 2026 was recorded as a pass, but it carried a number of minor defects and advisories – a near‑side rear position lamp out, severe deterioration of the near‑side front anti‑roll‑bar linkage dust cover, a front brake disc approaching its wear limit, corrosion on the rear brake pipe and a rear tyre close to the legal tread limit. The preceding test on 19 August 2026 had failed on dangerous grounds because the front brake pads were below 1.5 mm and an ABS warning lamp indicated a fault, together with the same lamp and anti‑roll‑bar issues. Over the last four years the vehicle has alternated between passes and failures, with recurring brake‑pad wear, ABS warnings and lighting faults, suggesting that maintenance has been largely reactive rather than preventive and that the overall trend is slightly worsening. At 141 225 miles for a 2013 model the average annual mileage works out at roughly 10 800 miles per year, which is typical for a vehicle of this age. The mileage does not indicate any periods of extreme use or long‑term storage that would dramatically accelerate wear, but it does mean that consumables such as brake pads, discs, tyres and suspension components will be approaching the end of their service life if they have not already been replaced. The relatively modest annual run‑rate also means that age‑related degradation – for example tyre sidewall perishing, rubber hardening, battery sulphation and fluid breakdown – will be as significant as mileage‑related wear. A prospective buyer should give the brake system the highest priority. Verify that the front pads have been replaced since the 2026 failure and that the discs have been machined or fitted anew; on a test drive feel for any pedal pulsation, shudder or noise that could indicate warped discs or uneven pad wear. Confirm that the ABS warning lamp is extinguished and ask for a scan of the ABS module to ensure the fault has been cleared – a lingering fault could mask sensor issues or impending pump failure. Inspect the rear brake pipe for rust, especially where it was noted as corroded and covered in grease, and watch for any fluid seepage around the cylinders or lines. While on the road listen for any clunk or squeak from the front anti‑roll‑bar linkage, which may signal worn bushings or a failing dust cover that could affect handling. In addition, check the condition of all exterior lamps, particularly the near‑side rear position lamp and the near‑side front headlamp, ensuring they illuminate correctly on both dipped and main beams. Examine the rear tyre that was flagged as close to the legal limit for tread depth and sidewall integrity; uneven wear could point to suspension misalignment or worn bushings. Given the vehicle’s age, inspect the 12 V battery for voltage and cranking performance, and look for signs of sulphation or leaking electrolyte. Finally, confirm that time‑based services have been observed – brake fluid should have been changed at least every two years, coolant and engine oil at the recommended intervals, and any corrosion on chassis or suspension components should be addressed before they progress to structural issues. A thorough visual inspection combined with a careful test drive will reveal whether the car has been kept in a road‑worthy state or if further investment will be required.