Mercedesbenz B1e9e2a -

In Mercedes models that use a physical key turn (older styles), the Electronic Steering Lock (ESL) module is a common failure point. If the steering wheel does not unlock fully, the car will trigger this code and refuse to start.

The error usually indicates that the "Favorites" button is "sticking" or that there is no change in the signal when the button is pressed. Common Symptoms: mercedesbenz b1e9e2a

A communication error between the steering wheel buttons and the central infotainment system. Recommended Steps Simple Reset: In Mercedes models that use a physical key

In diagnostic environments, strings containing parts of this alphanumeric signature are critical for isolating complex electrical faults across the Controller Area Network (CAN-Bus) lines. mercedesbenz b1e9e2a