This message indicates that the engine control unit (ECU) and the immobilizer module (WSP) are no longer synchronized, preventing the engine from starting. Primary Causes low or flat battery is the most common trigger. Jump-starting the vehicle can corrupt data in the control units.
A technician can read the EEPROM data from the ECU and immobilizer, use specialized software to "virginize" the ECU (reset it to factory state), and then reprogram it to synchronize with your keys and immobilizer. This requires advanced tools like MB Star Diagnostic (also known as DAS or Xentry).
You will need to connect four main wires from the emulator to the ECU/vehicle: Power to the emulator. GND (Ground): Ground connection. K-Line/W-Line: Data communication line. Immo Signal/CAN Bus: To the ECU. mercedes sprinter vito start error 13 skacat
Using a programmer (like Xprog-Box, Carprog, or VVDI MB Tool), a technician can:
If you have more details about the error or the circumstances under which it occurs, it might be possible to provide a more specific answer. This message indicates that the engine control unit
Once both raw dump files are loaded into the utility interface, the software analyzes the hex code, extracts the original Vehicle Identification Number (VIN), recalculates the synchronization bytes, and rewrites matching rolling-code keys into both files. Step-by-Step Bench Repair Procedure
This technical guide breaks down why this immobilization glitch happens, how to fix it, and how to find specialized utility software like . What Causes the Mercedes "Start Error"? A technician can read the EEPROM data from
Provide a list of when trying to fix this error. Explain the difference between WSP and WSP2 systems.
Always have at least one spare programmed key to rule out transponder failure.
Imagine you're ready to hit the road for a job or a weekend trip, you turn the key, and instead of the engine's roar, you're greeted by two words on your dash: "START ERROR"