1994 Mercedes SL 2.8L Petrol · K6 DTB

The 1994 Mercedes SL holds a valid MOT certificate following a pass on 29 September 2025 at 133,742 miles, but the maintenance trend is not straightforwardly stable. The vehicle failed just three days earlier on 26 September 2025 at the same recorded mileage, with the tester flagging a leaking nearside rear brake hose connection on the hydraulic braking system alongside pre-existing corrosion to the power steering pipe and gearbox oil cooler pipes. That brake defect was rectified before the retest, yet the corroded power steering and gearbox cooler pipes carried through to the pass certificate as advisories. This pattern suggests a reactive rather than preventive approach to upkeep, with a hydraulic brake leak addressed only after formal failure. The mileage profile is notably low for a 32-year-old vehicle. Annualised at roughly 4,179 miles per year, the recorded use is well below the UK average. The 2023 test on 14 July showed 132,991 miles, and by 4 October 2024 the odometer read 133,459 miles, indicating approximately 468 miles covered in over a year. The mileage then remained static at 133,742 from October 2024 through both September 2025 tests, raising the possibility of long periods of standing or a recently replaced or corrected odometer reading. Sparse annual testing intervals and minimal mileage accumulation make it difficult to establish a reliable wear trajectory. A buyer should inspect the underbody and subframe mounting points carefully, given the recurring corrosion flagged on fluid-carrying pipework. The power steering hose and gearbox oil cooler pipes were noted as rusted in both 2024 and 2025, which on a 1994 vehicle raises questions about the condition of adjacent brake lines, fuel lines, and structural box sections. The nearside rear brake hose leak that caused the September 2025 failure warrants close examination of all flexible hoses and hard line connections for age-related deterioration, particularly if the car has stood for extended periods. Suspension bushes, coil spring seats, and lower ball joints should also be checked, as low-mileage vehicles that sit unused can develop seized or perished components despite limited road wear. A thorough inspection of the exhaust system and mountings is advisable given the age of the vehicle and the corrosion pattern already documented.