Standard Mercedes Xentry software is the primary tool for diagnosing Mercedes-Benz, Maybach, and Smart vehicles. However, many advanced tasks—like adding new keys, changing speed limits, or resetting sensitive safety systems—are protected by passwords or "TAN codes" that usually require a factory login.
: Copy the generated password and paste it back into the Xentry prompt to unlock the function. Purchasing and Versions Xentry Special Functions Calculator
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: Used for SCR exhaust actuations, such as changing NOx torque limits (XT) or erasing emissions-relevant fault codes (XN). Standard Mercedes Xentry software is the primary tool
Calculator inputs: Old EZS part number, VIN, key ID. Output: Security login code + new variant coding. Note: For newer cars (DAS4/VGS4), calculator is often replaced by Online Key Match via Mercedes server. Output: Security login code + new variant coding
: Adjusting DPF regeneration speed thresholds in ACM modules and rearranging ASSYST PLUS service memory.