ZWHK

We own a 2018 E300 and are enjoying the new semi-autonomous features. Unfortunately, we recently had an experience that could have had serious consequences: We were driving around the neighborhood at 30 mph - not on cruise control - when the car abruptly beeped, braked, and tightened both the driver’s and the passenger’s seat belts in what can only be described as panic mode. There was no traffic on the street, no pedestrians in sight and nothing that could have indicated an imminent collision of any kind. Had this happened when driving on a highway, at higher speed and heavy traffic, we would have been rear-ended with possible serious consequences. Our Mercedes Benz Service office didn’t have any explanation for this occurrence and indicated that Mercedes Benz doesn’t monitor the performance of these cars, so they have no way to know what happened and no way to fix it. Has anyone have or heard of such malfunction of the MB semi-autonomous system? All comments appreciated. Thanks!