2015 Mercedes-Benz B-Class 1.5L Diesel · LL15 VRN

The most recent MOT inspection on 23 March 2026 resulted in a pass, but the record indicates a recent decline in mechanical condition compared to the clean results seen in 2024 and 2025. While the vehicle has maintained a consistent passing record, the emergence of multiple minor defects and a suspension advisory in the latest test suggests that wear is beginning to accelerate. The trend is currently moving towards worsening, as the vehicle has transitioned from a period of no recorded defects to having issues with anti-roll bar linkages, lighting, and suspension component play within a single testing cycle. With approximately 60,868 miles covered over eleven years, this Mercedes-Benz B-Class has averaged roughly 5,533 miles per year, which is significantly lower than the UK national average. While low mileage often implies less mechanical wear on the engine and drivetrain, it can also indicate long periods of inactivity or short, urban-only trips. Such usage patterns can lead to specific issues such as moisture accumulation in the exhaust system, carbon buildup, and the degradation of rubber components and fluids due to age rather than distance. The low annual mileage means that components like suspension bushes and tyres may be reaching the end of their service life due to environmental perishing rather than tread wear. A prospective buyer must pay close attention to the suspension and steering during a test drive. The advisory regarding slight play in the offside front suspension arm ball joint, combined with the deteriorated anti-roll bar linkage dust covers, suggests impending replacement requirements. You should listen for any knocking, clunking, or rattling noises when driving over uneven surfaces or speed bumps, as these are classic symptoms of worn ball joints or loose linkages. Furthermore, the previous history of uneven tyre wear and structural tyre failures indicates that wheel alignment or tracking may be out of specification. It is essential to inspect the current tyres for any sidewall cracking or uneven tread wear, which could indicate that the vehicle has been tracking poorly or has sat stationary for extended periods. Given the low mileage and age, a thorough physical inspection of all rubber and fluid components is necessary. Check the tyres for signs of perishing or age-related cracking in the sidewalls, even if the tread depth appears sufficient. Inspect the brake discs for heavy corrosion or pitting, which can occur if the vehicle has been standing frequently, and ensure the calipers are not binding. You should also verify the service history to confirm that fluids, such as brake fluid and engine oil, have been changed on a calendar basis rather than solely based on mileage, as chemical degradation occurs over time regardless of distance driven. Finally, check the 12V battery health and ensure the registration plate lamps are fully operational to avoid immediate post-purchase maintenance.