1. Left front wheel assembly lug bolts. All five lug bolts sheared off completely while driving, resulting in a wheel separation and structural failure. Yes, four of the five physical sheared lug bolts are preserved and immediately available for independent forensic laboratory inspection upon request. 2. The left front wheel assembly separated while operating the vehicle on a public roadway at speed. This caused an immediate loss of directional vehicle control and severe chassis instability, posing an imminent, life-threatening risk of a high-speed rollover, collision with oncoming traffic, or total wheel detachment on a major highway. 3. Yes. Following the incident, the vehicle was towed directly to B&H Auto Body. Their certified technicians physically inspected the remaining wheel hubs on-site and confirmed in writing that widespread over-torquing of lug fasteners was present across the vehicle's remaining wheel assemblies. 4. Yes. Independent Repair Facility: B&H Auto Body physically inspected the vehicle, wheel assemblies, and remaining hubs post-incident. Third-Party Claims Administrator / Consultant: [XXX] (TPA for Costco Wholesale) retained GT Technical Consultants ([XXX]), who conducted a photo-only desktop review. However, the consultant refused physical inspection of the preserved hardware and issued a denial based on disproven third-party dealer mileage assumptions (refuted by official Mercedes-Benz Repair Order #XXX). 5. No prior warning lamps or diagnostic