2011 Mercedes-Benz C 2.1L Diesel · DM11 DUG

The most recent MOT test on 2026-04-22 resulted in a passing outcome, though it revealed persistent advisories related to wheel bearings on both the nearside and offside front axles, each showing slight play indicative of early-stage wear. This follows a pattern of recurring advisories over the past four years, with the same bearing issues appearing in every MOT since 2022, suggesting a consistent but not yet critical mechanical concern. The vehicle failed in 2025 and 2024 due to more severe tyre defects and headlamp misalignment, but these issues were either addressed or mitigated by the time of the latest test. While the overall trend is not outright worsening—with the tyre-related failures now resolved—the wheel bearing advisories remain a persistent reminder that further deterioration could occur if not monitored closely, potentially leading to a dangerous failure if left untreated. The vehicle’s recorded mileage of 71,333 miles at 15 years old represents a notably low annual usage rate of approximately 4,756 miles per year, which is unusually low for its age. Such low mileage can result from prolonged periods of inactivity, particularly if the car was stored under conditions that accelerated wear from standing, such as brake corrosion, suspension degradation, or fluid degradation. However, the absence of higher mileage accumulation suggests that the vehicle has not been subjected to the typical stresses of high-frequency, high-mileage use, which might otherwise accelerate component wear. That said, the low mileage alone does not negate the need for thorough inspection, as standing conditions or infrequent use can still lead to hidden issues like wheel bearing fatigue, tyre perishing from age, or fluid degradation over time. Given the recurring wheel bearing advisories, the prospective buyer should conduct a meticulous inspection of the front suspension and wheel assemblies. Visually check for any signs of excessive play or unusual noises when the vehicle is driven, particularly at low speeds or when cornering. Listen for a rhythmic clunking or grinding from the front wheels, which could indicate bearing failure or misalignment. Additionally, inspect the wheel nuts for tightness and ensure there is no excessive vibration or pull during acceleration or braking, which may signal bearing or alignment issues. If the wheel bearings are confirmed to be worn beyond the advisory stage, immediate replacement is advised to prevent catastrophic failure, as bearing failure can lead to wheel separation or steering system compromise. For the tyres, despite the recent MOT passing, the history reveals significant wear and damage that warrants immediate attention. The offside rear tyre previously failed due to a structural tear and now shows edge wear close to the legal limit, while the offside front tyre had a deep cut reaching the cords. The nearside front tyre also approached the legal limit in 2025. The buyer should replace all tyres to a new or high-quality reclaimed condition, as the existing tyres are at high risk of sudden failure, particularly given the structural damage. Check the tyre sidewall for cracks or perishing, which can indicate age-related degradation, even if the tread appears serviceable. Ensure the tyres are balanced and aligned correctly to prevent uneven wear and maintain handling stability. Finally, given the low mileage and potential standing conditions, the vehicle’s fluids—particularly the brake fluid, coolant, and transmission fluid—should be checked for degradation. Brake fluid should be replaced every two years, and coolant should be flushed if the vehicle has been stationary for extended periods, as standing fluids can corrode brake components and cause binding calipers. A comprehensive service history check, including brake pad and filter replacements, would also be prudent to confirm the vehicle’s maintenance record.