The DAS system, or Driver Authorization System, is a vital component of modern Mercedes-Benz vehicles. It uses advanced technology to ensure that only authorized drivers can start the engine and access various features of the vehicle. In this article, we will provide a comprehensive overview of the DAS system in DAS3, also known as the W221 or W216, including its components, common failures, and fault codes.
DAS System Components
The DAS system in DAS3 consists of several critical components that work together to provide advanced security and convenience features. These components include:
Failures and Fault Codes
Like any electronic system, the DAS system in DAS3 can experience failures and faults. Some common failures include issues with the key fob, the EZS, the EIL, or the ESL. Fault codes can provide valuable information for diagnosing and repairing these failures. Here are some
common fault codes and their meanings:
Diagnosing and Repairing Failures
Diagnosing and repairing failures in the DAS system in DAS3 requires specialized knowledge and equipment. Mercedes-Benz dealerships and repair shops have the necessary tools and expertise to diagnose and repair these issues. Some common repair options include replacing the key fob battery, repairing or replacing the EZS, EIL, or ESL, or replacing the SAM control unit.