2012 Mercedes-Benz C 2.1L Diesel · LL62 VFE

The most recent DVSA test on 9 January 2024 recorded a pass but highlighted an oil leak that was judged not excessive under regulation 8.4.1 (a) (i). The same date also produced a failure for the off‑side rear stop lamp, again accompanied by the oil‑leak advisory. The earlier test in October 2022 similarly noted a front oil leak of a non‑excessive nature but otherwise passed. The pattern shows a consistent, low‑level oil seepage that has not progressed to a serious fault, while the lighting defect appears to have been addressed for the current test. Overall the maintenance trend is stable, with no new major failures emerging, though the recurring oil‑leak advisory suggests a component that should be monitored. At 150,200 miles for a 2012 model the vehicle averages roughly 10,700 miles per year, which sits squarely within the normal UK usage envelope. There are no obvious mileage gaps that would indicate prolonged periods of inactivity, nor is the accumulation unusually rapid. This moderate annual mileage means that wear on consumables such as brake pads, clutch discs, and suspension bushes will be typical for a fourteen‑year‑old car, but it also implies that any age‑related degradation of rubber components, seals and corrosion‑prone parts may be present despite the reasonable mileage. Prospective buyers should focus first on the oil‑leak advisory. Locate the source by inspecting the valve‑cover gasket, oil pan gasket and any surrounding seals for fresh oil or drips on the engine bay floor. Verify that the oil level is correct and that there is no sign of oil on the underside of the vehicle after a short drive, which would indicate a worsening leak. During a test drive listen for any low‑oil warnings, excessive engine noise or smoke from the exhaust, all of which could point to a loss of lubrication. The rear off‑side stop lamp must be fully operational; check the bulb, socket and wiring harness for corrosion or broken connections, and confirm that the lamp illuminates promptly when the brake pedal is depressed. Given the car’s age, a thorough visual and tactile inspection is advisable even though the mileage is moderate. Examine the tyre sidewalls for cracking, dry rot or uneven wear that can arise from calendar ageing, and confirm that tread depth meets legal limits. Inspect the suspension components for worn or cracked rubber bushings, loose ball joints and any clunking noises over bumps. Check the brake discs for surface rust, scoring or excessive thickness variation, and ensure the calipers move freely without binding. Test the 12‑volt battery voltage and look for signs of sulphation on the terminals, especially if the vehicle has spent long periods stationary. Finally, verify that all fluid reservoirs – coolant, brake, power‑steering and transmission – have been topped up within the past 12 months, as time‑based degradation can occur even with modest mileage.