2016 Mercedes-Benz C 2.1L Diesel · OU66 NNT

The vehicle most recently passed its MOT on 26 August 2026, with a single advisory issued for the rear brake disc, noted as worn, pitted, or scored but not seriously weakened. Looking back through the recorded test history, the overall maintenance trend is broadly stable but warrants attention to a recurring theme. The car has passed every test since 2019, and the most recent three examinations have produced only minor advisories relating to the rear brake discs and an ageing tyre. There is no evidence of structural corrosion, exhaust emissions failures, suspension component deterioration, or any advisory that would suggest neglect or a worsening mechanical condition. The pattern indicates a vehicle that has been maintained to a satisfactory standard, though the persistence of brake-related advisories suggests the rear braking system is approaching the point at which proactive refurbishment should be considered. The recorded mileage of 75,053 miles over approximately ten years equates to an annual usage of around 7,500 miles, which sits squarely within the typical range for a car of this age. This is neither distressingly low nor unusually high, and there are no significant gaps or sudden accumulations in the mileage progression that would imply long periods of standing or conversely excessive motorway use. A moderate annual mileage of this nature generally means consumables such as brake pads, discs, tyres, and fluids have been exercised regularly, which is beneficial for preventing issues associated with prolonged inactivity such as seized calipers, dried seals, and stale lubricants. At the same time, the mileage is sufficient to expect normal wear progression on suspension bushes, anti-roll bar links, and drivetrain mounts, all of which should be physically inspected rather than judged solely on MOT data. The most notable recurring item in the history is the rear brake disc wear, which has appeared as an advisory at the 2025 and 2026 tests. Pitting and scoring on the rear discs typically develops from normal use combined with light braking effort on the rear axle, and while the examiner has judged them not seriously weakened, the condition will continue to deteriorate. A prospective buyer should have the rear discs measured for remaining thickness against the manufacturer's minimum specification, as discs that are at or near the wear limit will need replacement soon. On a test drive, listen for any grinding or rumbling from the rear under light braking, and check for brake shudder through the pedal. It is also worth inspecting the rear brake pads, as the 2019 advisory noted thin rear pads and the 2021 test recorded a brake pad warning lamp, indicating the pad wear sensor had triggered. A replacement sensor and fresh pads may now be prudent alongside any disc work. Beyond the brake-related items, a 2016 Mercedes-Benz C-Class with this mileage profile deserves a thorough age-appropriate inspection regardless of its clean MOT record. Tyres should be examined closely for sidewall perishing and cracking, as rubber degrades with time irrespective of tread depth, and the 2025 advisory noted slight perishing on an offside front tyre. The 12V battery should be load-tested, as auxiliary and comfort electronics in Mercedes-Benz vehicles place significant demand on battery health and a ten-year-old unit is well beyond typical service life. Brake fluid should be replaced every two years regardless of mileage due to its hygroscopic nature, and the coolant, transmission fluid, and power steering fluid should be checked for age-related degradation. Under the vehicle, inspect the exhaust system for corrosion at mounting points and joints, examine suspension components including coil springs, control arm bushes, and anti-roll bar drop links for wear, and check for any oil or coolant leaks from the engine and transmission seams. A compression test or diagnostic scan for stored fault codes would also be advisable given the vehicle's age, and verifying a complete main dealer or specialist service history with documented Mercedes-Benz specification parts and fluids will provide further reassurance regarding long-term mechanical integrity.