Failed Component: Driver Side (Left) Exterior Mirror Available for Inspection: Yes Safety Risk: The mirror ds not stay securely unfolded, requiring manual adjustment while driving, which creates a major distraction and increases the risk of an accident. If not manually secured, it shifts unpredictably due to wind resistance at city speeds, creating a dangerous blind spot that makes lane changes and merging hazardous. Glass isn’t adjustable with buttons.The heating function is non-operational, which may impact visibility in cold/wet conditions. Problem Reproducibility: The issue is persistent. Dealer or Independent Confirmation: The problem has not been diagnosed by a dealer, but has been check for DTC and there are no faults. Multiple reset attempts have been performed, including iDrive reset, manual folding/unfolding, and a BMW battery reset procedure, CLS was allowed to shut down fully, with no resolution Inspection by Manufacturer, Police, or Insurance: No Warning Lamps or Symptoms Prior to Failure: None. The mirror was working perfectly before it failed suddenly with no warning signs, noises, or gradual malfunction. No known fault codes prior to the issue. Additional Details: The mirror ds not respond to electronic adjustments and must be manually repositioned. The glass will not adjust either unless by hand. When fully open or fully folded manually, makes a loud, forceful clunk and becomes slightly harder to move, but can still be adjusted moved with some effort. It opens far past the normal open position. In any other position other than fully extended or fully closed, it moves freely due to any external forces such as wind force while driving or lightly pushing it. The passenger-side mirror functions normally, including folding, heating, and glass adjustment. No OBD error codes, warning lights, or system messages have appeared related to the failure. Mirror has not had any physical damage or abuse in any manner.