– On 2011 models, the OBD2 port only allows key programming after a TAN is entered. Without the correct TAN, the immobilizer remains locked. This is intentional to prevent theft.
and similar models to unlock and activate advanced vehicle functions. Purpose and Functionality A TAN (Transaction Authorization Number) code is a unique 12-digit security code required by the Mercedes-Benz/Smart diagnostic system, DAS (Diagnosis Assistance System) , to perform specific modifications. The calculator generates these codes using the vehicle’s smart car tan code calculator 2011
While using a TAN code calculator is a popular DIY solution, there are several risks to keep in mind: – On 2011 models, the OBD2 port only
A TAN code calculator is a software tool used to generate these 12-digit codes based on your car's and the specific function you want to unlock. While older Smart models (450 and 452) often required these codes for almost everything, the 2011 (451) model only needs them for certain "special" functions. Common Functions Requiring TAN Codes and similar models to unlock and activate advanced
If you are trying to program a specific feature, let me know which function