The diagnostic trouble code in a Mercedes-Benz vehicle explicitly translates to: "The 'Favorites' button is sticking. Signal change is missing" . This specific Body Control Module (BCM) fault code commonly appears on modern Mercedes-Benz platforms—such as the W213 E-Class, W205/W206 C-Class, and related chassis—equipped with physical center console shortcuts or touch-capacitive control pads.
The button may physically feel normal but fail to trigger the menu on the screen. mercedesbenz b1e9e2a
: Unique IDs allow the car to remember your preferred seat position, ambient lighting (with 64 available colors), and navigation history. The diagnostic trouble code in a Mercedes-Benz vehicle