2012 Mercedes-Benz C 2.1L Diesel · SW62 NPE

The most recent DVSA MOT test on the 2012 Mercedes-Benz C was conducted on 2026-08-25 and resulted in a pass, though it included two advisories: the rear brake pipes are corroded and covered in grease or foreign material bilaterally, and the near-side rear road wheel exhibits a slight distortion. This follows a pattern of recurring advisories and one major failure in 2025, where the vehicle failed due to a malfunctioning engine MIL indicator, severely corroded front brake pipes, excessively worn front lower suspension arm ball joints, and a compromised anti-roll bar linkage ball joint cover. While the 2024 and earlier MOTs show some persistent issues—such as tyre wear approaching legal limits and minor wheel distortions—the overall trend suggests a stable but deteriorating condition, with critical mechanical components nearing or exceeding their operational thresholds. The presence of multiple advisories and the failure in 2025 indicate that the vehicle has not received timely or adequate maintenance, particularly in the suspension, brake, and wheel assembly systems. The vehicle’s recorded mileage of 104,845 miles over approximately 14 years represents an average annual usage of around 7,489 miles, which is within the expected range for a car of this age and class. However, the consistency of mileage accumulation is less clear, as the gap between the 2021 MOT (no defects) and the 2022 MOT (with tyre wear advisories) suggests periods of either reduced or increased usage. Higher mileage generally accelerates wear on consumables like brake pads, suspension components, and tyre tread, while lower mileage can exacerbate issues such as standing corrosion in brake pipes or wheel bearings, as well as fluid degradation due to prolonged inactivity. The combination of these factors means that the vehicle’s wear profile is likely to be uneven, with some systems—particularly the suspension and brakes—being more stressed than others. Given the recurring advisories and the critical failures from 2025, the buyer must conduct a thorough physical inspection to address the most pressing concerns. First, verify the condition of the front and rear brake pipes, ensuring no further corrosion or leaks that could compromise braking performance or lead to a dangerous failure. Listen for uneven brake pedal travel or a spongy feel, which may indicate warped discs or failing seals, and check for any pulsations or shuddering during braking, which could signal warped discs or binding calipers. The front suspension ball joints and anti-roll bar linkages are already showing excessive wear, so inspect for play or excessive noise (clunks or rattles) when driving over bumps, particularly on the near-side front arms. A test drive should also reveal any binding or excessive play in the rear wheels, which the MOT advisories suggest may be distorted or worn. Additionally, confirm that the exposed ply or cords in the offside front tyre from the 2025 failure have been addressed, as this is a severe tread condition that must be repaired or replaced immediately. Beyond the immediate defects, the buyer should also assess the overall structural integrity of the vehicle, particularly the suspension and wheel assembly, as repeated MOT advisories on wheel distortions and suspension wear indicate potential long-term issues. Check the tyre condition thoroughly, focusing on the sidewalls for signs of cracking or perishing, which can compromise tyre safety even if the tread remains legal. Inspect the offside front tyre for any further damage or cracks, as these can lead to sudden blowouts. The 12V battery should be tested for charge retention and overall health, given the age of the vehicle, as standing corrosion or a failing alternator can exacerbate electrical issues. Finally, since the vehicle has not been serviced in a timely manner, consider scheduling a comprehensive mechanical inspection to address the front suspension ball joints, anti-roll bar linkages, and brake system components before they fail catastrophically. Fluid levels, particularly brake fluid and coolant, should be checked for contamination or degradation, as these can affect performance and safety. If the buyer is purchasing this vehicle, they should budget for immediate repairs to the suspension and brake systems to restore roadworthiness and prevent further deterioration.