2016 Mercedes-Benz C 4.0L Petrol · CS63 BYE

The most recent MOT test recorded on 2025-12-06 resulted in a passing outcome, with no defects noted, following a previous failure on the same date for a non-functional near-side front headlamp on main beam. This suggests a return to compliance after a minor electrical issue, but the overall maintenance trend remains mixed. While there are no recent failures, the earlier failures—particularly the brake-related issues from 2022—highlight a pattern of wear that requires attention. The windscreen washer fluid advisory from 2024 also indicates a recurring minor concern, though it does not pose an immediate roadworthiness risk. The vehicle’s MOT history shows stability in recent years, but the presence of advisories—especially on brakes and tyres—demands proactive maintenance to prevent escalation. The vehicle’s recorded mileage of 60,156 miles at the time of assessment represents a moderate annual usage rate of approximately 6,016 miles per year, which is typical for a ten-year-old car driven under normal conditions. The consistency of this mileage suggests a steady, albeit not aggressive, driving profile, with no apparent periods of excessive wear or neglect. However, the absence of service records or a service book does not account for potential hidden wear from prolonged idling, standing, or minor operational inefficiencies. For example, standing for extended periods can accelerate brake pad corrosion, particularly if the vehicle is frequently parked without use, while fluid degradation—such as brake fluid or differential fluid—can occur over time regardless of mileage. The low mileage also does not mitigate the risk of age-related wear, such as suspension bush deterioration or internal engine component fatigue, which may not be apparent until significant damage occurs. Given the MOT history, the prospective buyer should prioritise a thorough inspection of the braking system, as the 2022 advisories on brake pads and discs indicate that the pads are dangerously thin and the discs are worn but not yet critically so. On a test drive, listen for uneven brake pedal travel, excessive vibration or shuddering during braking, or signs of brake fluid contamination (which could indicate hydraulic failure). Inspect the front and rear brake discs for warping, scoring, or excessive glazing, and check for binding calipers that may require adjustment or replacement. Additionally, verify that the brake fluid level is correct and that there are no leaks around the master cylinder or brake lines. The near-side headlamp failure from 2025 suggests a potential electrical issue, so test all lights—including indicators, brake lights, and hazard lights—under various driving conditions to ensure consistent operation. Beyond the mechanical checks, the buyer should address the windscreen washer fluid advisory by ensuring the reservoir is topped up with the correct fluid type and that the washer motor is functioning properly. The offside rear nail in the tyre from 2023 is a minor defect that does not affect roadworthiness but should be monitored for further progression, as a nail can lead to rapid tyre failure if not addressed promptly. For age-related concerns, check the tyre sidewall for signs of cracking or perishing, which can compromise structural integrity and lead to blowouts. Inspect the 12V battery for corrosion on terminals, a swollen or bulging battery case, or sluggish cranking performance, as these can indicate internal failure or poor connections. Finally, since the vehicle has not undergone a full service in over three years, consider a comprehensive inspection of fluids—oil, coolant, differential, and brake fluid—due to their susceptibility to degradation over time, even at moderate mileage. A professional service should also verify the timing belt, water pump, and suspension components, as these critical items may require replacement before they fail catastrophically.