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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. mercedesbenz b1e9e2a

Modern vehicles from the Mercedes-Benz Group are marvels of mechanical engineering and rolling supercomputers. When an interior function stops working correctly, the vehicle registers a diagnostic trouble code (DTC) to guide service technicians. Below are depending on your actual context

Gently press and "massage" the button to loosen it if it is stuck due to sticky residue. Gently press and "massage" the button to loosen