2016 Mercedes-Benz GLC 2.1L Diesel · AD16 JXF

Recurring issues with the front suspension ball joints and rear braking components define the mechanical profile of this vehicle, with the most recent test on 31 July 2026 showing a continuation of these long-term advisories. The MOT history reveals a persistent pattern of play in the offside front lower suspension arm ball joint, a defect that has appeared in various forms across multiple consecutive years since at least 2020. Furthermore, the braking system shows a trend of thinning rear brake pads and pitted or scored rear brake discs, which were both flagged as advisories in the latest inspection. The vehicle has covered 89,784 miles over its ten-year lifespan, representing an average annual accumulation of approximately 8,978 miles. This usage pattern is consistent with typical long-term driving rather than high-intensity or heavy-duty application. While the mileage is moderate for a 2016 model, the recorded defects suggest that the wear on consumables such as tyres, brake components, and suspension linkages is progressing in line with this steady level of use. A physical inspection during a test drive should prioritise the suspension and steering components to address the repeated ball joint advisories. Listen for any metallic knocking, clunking, or popping sounds when navigating uneven road surfaces or turning the steering wheel at low speeds, as these are common symptoms of excessive play in suspension arm ball joints. The presence of recurring play in the offside front lower arm suggests that the component may require replacement to restore precise steering response and prevent further impact on related steering geometry. The braking system also requires close scrutiny due to the repeated advisories regarding thin rear pads and scored discs. During the test drive, pay close attention to any pedal judder or vibration felt through the brake pedal or steering wheel when applying the brakes, which can indicate uneven disc surfaces. Additionally, listen for any squealing or grinding noises from the rear of the vehicle, which may signal that the pads have reached the end of their service life. The recent advisory regarding both rear tyres wearing on the inner edges and being perished should also be verified by checking for uneven tread wear and any signs of sidewall cracking.