are 12-digit security passwords required by the Mercedes-Benz DAS (Diagnostic Assistance System) software to unlock advanced modifications, key programming, and hardware retrofits on Smart Fortwo (W450, W451) and Roadster vehicles. A Smart Car TAN Code Calculator 2011 is a specialized diagnostic software utility or online generator that uses the vehicle's unique 17-digit VIN (Vehicle Identification Number) or a system-generated request code to instantly calculate these security keys offline or via an external server. Without these calculated codes, it is impossible to activate optional factory upgrades or replace central computer systems like the SAM (Signal Acquisition Module) . What is a TAN Code?
Many Smart cars rolled off the assembly line with physical hardware components installed but deactivated in the software. A calculator allows you to generate codes to turn on factory modifications:
The calculator works by using the vehicle's unique 17-digit Vehicle Identification Number (VIN). By inputting the VIN and the specific function you wish to activate into the software, the algorithm generates the corresponding 12-digit TAN code. This code is then entered into the diagnostic software (such as DAS or Xentry) to unlock the feature. Tools Required for 2011 Smart Models
to accept new programming instructions. For a 2011 model, these calculators are typically used for: Key Programming : Enabling "teach-in" procedures for new transponder keys. Feature Activation smart car tan code calculator 2011
Q: Can I use the Smart Car Tan Code Calculator 2011 on other vehicle models? A: No, the Smart Car Tan Code Calculator 2011 is specifically designed for 2011 Smart cars and may not be compatible with other vehicle models.
This article provides a comprehensive guide to understanding, finding, and using a . What is a Smart Car TAN Code and Why Do You Need It?
A Smart Car TAN code calculator is a software utility used by independent mechanics, auto locksmiths, and advanced DIYers. It bypasses the need to contact a formal dealership to get an activation string. What is a TAN Code
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In the DAS program, select the feature you wish to activate (e.g., "Key Learning").
When the XENTRY/DAS software prompts the user for a TAN code to complete a procedure, the user inputs the car's VIN and the function type into the standalone TAN code calculator. The calculator generates the correct string of characters, which the user then types back into the diagnostic software to authorize the procedure. Modern Alternatives and Current Status By inputting the VIN and the specific function
The calculator uses the proprietary Mercedes/Smart cryptographic algorithm to generate a matching 12-digit or 24-digit authorization string.
Generating codes for "Key Learning" to sync new fobs to the vehicle. Transmission Upgrades: Activating
anyboddy have the smart tan code calculator to share please?
Some 2011 owners, frustrated by the proprietary calculator requirement, opt for a permanent bypass. This is , but it is technically possible.