Mercedesbenz B1e9e2a

The code is not a factory error message—it is a symptom of a diagnostic tool’s inability to translate a low-level CAN frame. However, it reliably points to a communication problem involving the EIS, Front SAM, or CGW . By following the structured diagnosis above—starting with a battery reset, moving to Xentry re-coding, and ending with module replacement—you can resolve the underlying fault without guesswork.

: A major maintenance milestone for Mercedes vehicles that includes synthetic motor oil replacement and brake component inspection. mercedesbenz b1e9e2a

: If it is a software glitch, a technician can clear the fault using a diagnostic tool . The code is not a factory error message—it

is a specific diagnostic fault code in Mercedes-Benz vehicles, typically indicating that the "Favorites" button (star icon) is sticking or there is no signal change when it is pressed This issue commonly appears in models like the C-Class (W205) E-Class (W213) Fault Code Overview Description : "Favorites" button sticking; signal change absent. Common Symptoms : A major maintenance milestone for Mercedes vehicles

: Codes appearing on the dashboard information panel, such as "PRESAFE® Functions Limited," often indicate a sensor needs cleaning or the vehicle requires professional service.

Discover what this code means for the future of mobility.