2022 Mercedes-Benz GLS 450 4MATIC Vehicle speed control Problems

“As I approached a red light and removed my foot from the gas pedal to brake, my dashboard displayed several alarming messages: “Active Brake Assist Functions Limited See Owner's Manual,” “Active Blind Spot Assist Inoperative,” “To Deselect P or N Depress Brake and Start Engine,” and “Traction Control Inoperative See Owner's Manual.” Subsequently, all dashboard lights illuminated, the engine turned off, and the car shifted into neutral from drive, preventing me from restarting it. Despite turning on my hazard lights, I was stuck in the middle lane while the light turned green. …”

“The contact owns a 2022 Mercedes-Benz GLS450. The contact stated that while his wife was driving approximately 35 MPH, the vehicle lost motive power and stalled. Additionally, the power steering was inoperable. There were several unknown warning lights illuminated; in addition to the check engine warning light being illuminated. The driver was able to pull over safely stop after coasting the vehicle. The vehicle was restarted; however, the check engine warning light remained illuminated. The vehicle was driven to the dealer. …”

“The car has on 5+ occasions had the collision avoidance system shut down (photos of dash showing this are available and have been shared with the dealer). There were no weather incident at the time. Lane following........ same type of thing also shared with dealer. Most disturbing is on multiple occasions, with the speed control engaged driving on the interstate at 65 to 70 mph, the speed limit indicator on the dash changed to 40 (no speed limit change) and the car went into hard breaking mode until I disengaged the system. …”