2015 Mercedes-Benz A-Class 1.5L Diesel · KU15 KPV

The latest DVSA MOT test on 2026-03-06 resulted in a passing outcome, though it was preceded by a failure in the same period due to the same advisories. The overall maintenance trend appears to be stable rather than deteriorating, as there have been no major failures or repeated critical defects beyond the noted advisories and the single supplementary restraint system (SRS) fault from 2024. The SRS fault, which was a major failure, indicates a potential issue with the airbag deployment mechanism or wiring, warranting immediate attention from a qualified technician to prevent any risk of non-compliance or safety concerns. The recurring tyre and suspension advisories suggest that while the vehicle remains roadworthy, there are developing wear patterns that may require closer monitoring or preventative maintenance to avoid progression into more serious conditions. The vehicle’s recorded mileage of 157,763 miles at the time of this assessment represents a high annual usage rate of approximately 14,342 miles per year, which is notably elevated for a 11-year-old model. Such mileage accumulation typically accelerates wear on consumables like brake pads, suspension components, and tyres, as well as drivetrain elements such as gears and bearings. The absence of significant mileage gaps between MOT tests suggests consistent use, which can exacerbate wear on moving parts like suspension bushes and tyres, particularly if the vehicle has been driven in rough conditions or subjected to frequent braking or cornering. The high mileage also raises concerns about potential fluid degradation, such as brake fluid, differential fluid, or transmission fluid, which may require replacement or servicing to maintain performance and prevent premature failure. For the prospective buyer, the tyre advisories—particularly the offside rear tyre showing signs of cracking or perishing—are critical. Tyre sidewall damage from cracking or perishing can compromise structural integrity, leading to sudden blowouts or reduced handling stability. Inspect the tyres thoroughly for any signs of dry rot, delamination, or uneven wear patterns, and ensure they meet the minimum legal tread depth of 1.6mm. During a test drive, listen for any unusual tyre noise, such as a grinding or scraping sound, which could indicate internal damage or excessive wear. The front suspension arm pin or bush advisories indicate mild wear but not excessive movement, so while no immediate failure is expected, the vehicle should be checked for clunking noises when driving over bumps or uneven surfaces. These noises may worsen with further use and could lead to misalignment or reduced suspension effectiveness. The supplementary restraint system (SRS) fault from 2024 is the most urgent concern, as it represents a safety-critical issue that must be resolved before the vehicle is driven. The fault lamp indicates a potential problem with the airbag deployment mechanism, which could be related to a faulty sensor, wiring issue, or a failing inflator. A qualified technician should diagnose and rectify this issue promptly to ensure the airbags function correctly in the event of a collision. Additionally, the vehicle’s age and high mileage necessitate a thorough inspection of the following components: the 12-volt battery, which may show signs of corrosion or poor connections due to prolonged standing or heavy use; brake discs and calipers, which could exhibit corrosion or binding if the vehicle has been stationary for extended periods; and fluid levels, including brake fluid, coolant, and differential fluid, which should be checked for degradation or contamination. Given the vehicle’s usage profile, consider a full service check, including the timing belt (if applicable), transmission fluid replacement, and a review of the service history to confirm any scheduled maintenance has been completed. Finally, inspect the exhaust emissions system for any signs of leaks or excessive emissions, as this could indicate catalytic converter or exhaust manifold issues, particularly if the vehicle has been driven under high-mileage conditions.