2015 Mercedes-Benz S-Class 3.0L Diesel · S55 TAX

A pattern of emerging consumable wear is beginning to surface on this vehicle, transitioning from a period of clean certificates to recent advisories regarding tyres and braking components. While the car passed its most recent inspection on 03 September 2025, the presence of edge-wear advisories on both rear tyres indicates a potential shift in mechanical alignment or suspension geometry that was not present in previous years. This trend, following advisories for thinning brake pads in September 2024, suggests that while the vehicle remains fundamentally roadworthy, it is entering a phase where routine maintenance of wear items is becoming more frequent. The recorded mileage of 48,264 miles is notably low for an eleven-year-old executive saloon, averaging approximately 4,388 miles per year. This usage profile suggests the vehicle has spent significant periods stationary or has been used primarily for short, infrequent journeys rather than high-speed motorway cruising. Mechanically, such low annual accumulation can sometimes lead to uneven tyre wear if the vehicle is driven frequently on similar paths or if the suspension components have settled due to inactivity. However, the low mileage generally implies less cumulative stress on the drivetrain and engine components compared to a higher-mileage equivalent. Prospective buyers should pay close attention to the rear axle and suspension setup due to the specific advisory regarding tyres wearing heavily on the edges. On a test drive, you should monitor for any pulling to one side under braking or during straight-line driving, as well as any unusual knocking or clunking sounds from the rear suspension when traversing uneven surfaces or speed bumps. Such symptoms could indicate worn suspension bushes or dampers, which may be contributing to the uneven tyre degradation noted in the 2025 MOT. Regarding the braking system, the history of thinning pads in 2024 necessitates a physical inspection of the remaining pad thickness and the condition of the brake discs. During the test drive, listen for any squealing or grinding noises and feel for any pedal judder or vibration, which could signal warped discs or binding calipers. Given the low mileage and the recent advisories, ensuring that the tyres are replaced with a matched set and that the wheel alignment is professionally calibrated is essential to prevent further premature wear.