Modern Mercedes-Benz center console switch panels operate on an integrated communication network. The "Favorites" button (denoted by a star icon ⭐) allows drivers to instantly access programmed radio stations, navigation targets, or vehicle configurations.

The infotainment system may act frozen or get trapped in an endless loop showing the "Favorites" customization window.

: Owners can opt-in to Text Communication Programs to receive service reminders or sales updates. This typically requires replying "Yes" to an initial opt-in message.

This article provides a detailed overview of what this code means, why it occurs, and how to address it. What is the Mercedes-Benz B1E9E2A Code?

Лот № 260834 Mercedes-Benz C-Класс - Аукцион | РОЛЬФ

Engine timing, transmission shifting, and battery management ECM, TCM, Main Battery Monitoring

If you saw this string on a generic scanner, borrow or rent a genuine Mercedes-Benz Xentry setup. The true fault code will be one of the following: U016800, P060B00, or B210A00. Fix that, and the hexadecimal ghost—b1e9e2a—will vanish forever.

Intermittent response when trying to access preset shortcuts.

Internal mechanical spring degradation inside the PCB dome switch.

According to diagnostic data, B1E9E2A pinpoints an issue with the "Favorites" button on the steering wheel. The system is detecting a discrepancy: the electrical signal from the button does not change state when pressed, suggesting a potential mechanical failure or a signal transmission error.

The button may physically feel normal but fail to trigger the menu on the screen.

When cleaning the center console, do not spray liquid interior detailers or protectants directly onto the touchpad. Instead, spray a small amount onto a microfiber cloth first, then gently wipe down the glossy plastic surfaces. If you are dealing with this code right now, let me know:

If the button is physically broken or the issue persists after cleaning, the component may need to be replaced, requiring a visit to a Mercedes-Benz technician.