2017 Mercedes-Benz C 2.1L Diesel · MD 6420

Across five consecutive annual MOT tests spanning 2021 through 2025, this Mercedes-Benz C-Class has produced a completely clean roadworthiness record, with every examination passed and not a single advisory or failure item noted on the DVSA database. The most recent test on 29 September 2025 followed the same pattern as the four prior visits, returning a pass certificate with no defects recorded against any of the inspected components. While a clean MOT history cannot by itself confirm the mechanical condition of areas not covered by the test, nor can it verify the standard of off-record maintenance, the absence of recurring advisories across brakes, tyres, suspension, exhaust, and structural elements over a five-test window does indicate that the vehicle has remained within roadworthy limits each year it was examined. There is no evidence in the record of chronic corrosion, binding calipers, perished bushes, oil misting, or any of the typical wear items that tend to surface on advisory sheets as vehicles accumulate age. The recorded mileage of 30,329 miles against a 2017 build year equates to an annual average of roughly 3,370 miles, which is substantially below the typical usage rate for a vehicle of this age. The MOT-recorded mileages show steady, modest increments between tests consistent with light year-round driving rather than periods of inactivity, and there are no unusual gaps or sudden jumps that would suggest odometer inconsistency or extended lay-ups. From a mechanical standpoint, low mileage reduces wear on high-cycle components such as brake discs and pads, clutch friction material, and drivetrain internals, but it does place greater emphasis on items that degrade through age rather than use, including rubber suspension bushes, engine and gearbox seals, coolant hoses, and underbody corrosion protection. The fact that the car has been exercised regularly enough to be presented for an MOT every September suggests it has not been left standing for prolonged intervals, which mitigates some of the typical low-mileage risks. For a prospective buyer, the absence of any flagged components in the MOT history means there are no specific advisories to follow up on, but the test drive should still focus on areas commonly affected by age on a Mercedes-Benz C-Class regardless of MOT outcome. Pay particular attention to the suspension: listen for knocking or clonking from the front lower wishbones, rear trailing arms, and anti-roll bar links over speed humps and uneven surfaces, as perished bushes tend to present first as noise rather than visible MOT failures. Check the steering for any vagueness around the straight-ahead or any judder through the wheel under braking, which can point to warped front discs. On the test drive, allow the engine to reach full operating temperature and listen for any timing chain rattle on start-up or from cold, a known concern on certain four-cylinder petrol and diesel C-Class variants, and monitor the dashboard for any residual warning lights that may have been cleared prior to viewing. Inspect the underside of the vehicle on a ramp if possible, paying close attention to the rear subframe mounting points, brake pipe runs along the chassis, and the exhaust mounting rubbers, as corrosion in these areas is a recurring advisory subject on older C-Class models even when the test result itself is clean. Examine the inner and outer sills, wheel arches, and jacking points for any bubbling or surface rust that an MOT might not yet have flagged but could become a future failure point. Verify the operation of all electrical systems including the infotainment screen, climate control, and seat memory functions, as complex Mercedes electronics can develop intermittent faults unrelated to the MOT inspection scope. Finally, confirm that the service history is supported by independent specialist or main agent invoices, since the MOT record alone does not document cambelt, transmission fluid, or coolant renewal intervals, all of which are critical service items on this vehicle and should be evidenced separately.