2020 Mercedes-Benz GLS 400 AMG LN Prem+exe D 4M A 2.9L Diesel · LR20 WUY

The vehicle is currently roadworthy, but the maintenance trend indicates a pattern of reactive rather than proactive care. While the most recent test on May 6 2026 at 70,469 miles resulted in a pass, it followed an immediate failure for recurring mechanical issues. The offside front suspension arm ball joint has shown persistent play across three consecutive testing periods between 2025 and 2026, suggesting the owner has delayed replacing this critical component despite multiple advisories and failures. The mileage progression remains consistent with a six-year-old vehicle, averaging approximately 11,745 miles per annum. There is a notable gap of 12,703 miles between the May 2024 test at 46,821 miles and the April 2025 test at 59,518 miles, followed by another 10,951 miles leading to the 2026 inspection. This steady usage suggests regular road driving, yet the appearance of defects correlates with the wear expected on suspension components over these intervals. A buyer must conduct a thorough physical inspection of the front suspension geometry, as the recurring ball joint failure indicates a potential neglect of steering-related wear. The record also shows a history of poor tyre management, with exposed cords noted in 2025 and a fresh cut on the nearside front tyre in 2026. Verify the current tread depth of all four tyres and ensure the headlamp alignment, which failed in May 2026, has been properly calibrated prior to sale.