2016 Mercedes-Benz C 2.1L Diesel · MA66 VLB

The most recent DVSA MOT test conducted on 13 June 2025 resulted in a clean pass with no defects or advisories recorded, and this clean outcome is consistent across the four most recent annual examinations dating back to June 2022. Each of these tests has returned a pass with no recorded advisories, which indicates a stable and well-maintained mechanical condition with no recurring issues flagged by the examiner over the testing cycle. The absence of advisories is particularly noteworthy as it suggests that critical wear items such as braking components, tyres, suspension, lighting, and exhaust emissions have all been within satisfactory limits at each annual assessment. This consistent pattern points towards either diligent preventative maintenance or genuinely low wear rates over the recorded mileage span. With 76,058 miles recorded on a ten year old vehicle, the annual mileage equates to approximately 7,606 miles per year, which is broadly typical for a car of its age and slightly below the national average. This is a respectable mileage figure that suggests the vehicle has been in regular use without being excessively driven, reducing the likelihood of high wear on major drivetrain components such as the engine, transmission, and clutch. Conversely, the mileage is sufficient to indicate the car has not been left standing for prolonged periods, which is generally favourable for mechanical condition as it avoids the corrosion and fluid degradation issues associated with long-term storage. The consistent annual MOT testing pattern, combined with this moderate usage rate, suggests a vehicle that has been used consistently rather than left idle. Given the clean MOT history and the absence of any flagged defects, attention should now shift towards age and calendar-based deterioration that the annual roadworthiness test does not necessarily capture. Tyres on a ten year old Mercedes-Benz should be carefully inspected for sidewall perishing and cracking from age, even if the tread depth remains legal, as rubber compounds degrade with time and can compromise grip and safety. The 12V battery in the boot or under-bonnet area should be tested for its state of health, as Mercedes-Benz vehicles typically require a stable voltage supply for the complex electronic control units, and a failing battery can cause numerous spurious fault codes. Brake discs, particularly the front ones, should be inspected for corrosion around the outer edges and inner rim where surface rust can accumulate and lead to juddering or grabbing under braking, and the caliper guide pins should be checked for smooth operation to prevent uneven pad wear. Fluid servicing is another area that warrants verification despite the clean MOT record, as these items are not assessed during the roadworthiness examination. The brake fluid should be changed every two to three years as it is hygroscopic and absorbs moisture over time, which reduces braking efficiency and can cause internal corrosion of the brake system. Engine coolant, transmission fluid, and differential oil should be confirmed as having been changed at manufacturer-recommended intervals, with reference to the service book stamps or digital service history. On the test drive, listen carefully for any suspension clonks or knocks over uneven road surfaces which would indicate worn bushes, drop links, or coil spring seats, and check for any pulling to one side under braking which could suggest a binding caliper. A thorough scan of the Mercedes-Benz STAR diagnostic system would also be advisable to confirm no latent fault codes are stored in the various control modules, which may not present as an MOT failure but could indicate developing electronic or sensor issues.