This software is the master key to a suite of premium and coding functions for the smart car. According to product descriptions and user manuals, it can generate codes for:
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The remains a powerful tool for owners and technicians seeking to unlock hidden features, program keys, and apply performance tuning to 2011 Smart Fortwo, Roadster, and Forfour models without dealership expenses. However, compatibility with 2011 vehicles is not guaranteed , as Mercedes introduced changes to DAS software around 2012 that broke many offline calculators.
Unlocking the factory cruise control software after installing the physical steering wheel switches. How a TAN Code Calculator Works
Activating specific Brabus Performance Tuning software profiles for enhanced engine and transmission response. smart car tan code calculator 2011
Usually a Star C3, C4, or C5 interface that connects the car to a computer.
Unlike generic diagnostic trouble codes (DTCs) retrieved by an OBD2 scanner, a TAN code functions as a one-time password generated by either an online Mercedes server (for official dealers) or an offline software tool (the "Smart TAN code calculator"). Dealers purchase these codes from Mercedes in Germany, but the DIY community has developed calculators that generate TAN codes locally without an internet connection.
A TAN code calculator is a software tool used by enthusiasts and independent mechanics. Instead of paying a dealership upwards of $150 per code, these calculators use an algorithm to derive the 12-digit authorization string based on your and the Function ID you want to unlock. The Process: Identify the VIN: The calculator needs your 17-digit VIN.
If your current calculator generates wrong codes, consider applying a "tanlogfix" patch to your DAS installation (found on MHH Auto forums) or switching to a calculator version known to support 03/2011 DAS releases. Testing by forum member "sixcode" confirmed that a specific TAN generator worked on DAS 03/2011 version after applying appropriate fixes. This software is the master key to a
Q: Do I need any special skills or training to use the Smart Car Tan Code Calculator 2011? A: No, the calculator is designed for easy use and requires minimal technical knowledge. However, it's recommended that you have a basic understanding of vehicle diagnostics and repair procedures.
Modified system files ( .dll overrides) inside Xentry/DAS that completely suppress the TAN check.
The software is commonly distributed as an executable file for Windows and is often bundled with MB STAR diagnostic setups or sold as an add-on package (e.g., SS27: DAS Calculator for Smart with USB).
The code is entered into the MB Star Diagnostic (DAS/Xentry) software while connected to the car via an OBD-II multiplexer. Is it Still Necessary in 2011 Models? Unlike generic diagnostic trouble codes (DTCs) retrieved by
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
Many custom installations of Mercedes/Smart DAS software come pre-patched with "offline programming" fixes. These modifications completely bypass the screen asking for a TAN code, allowing you to click "Continue" and write the code automatically.
Enter the generated 12-digit TAN back into the DAS field to complete the activation. Important Considerations for 2011 Models