Script for Programming Mercedes VDO Instrument Clusters (NEC35xx) via OBD2 / CAN
This script is designed to work with Mercedes-Benz dashboards manufactured between 2013 and 2017, based on NEC3525 / NEC3526 processors.
The script only works with original iProg Pro programmer! Please write Serial Number and UID in the order.
Supported models include:
- W205 (analog needles)
- W447 (analog needles)
- W253 (analog needles)
- W222 (LCD pre-facelift)
Programming is performed via the OBD2 diagnostic port directly on the vehicle or via the CAN bus on the workbench.
Features and Capabilities:
- Odometer read/write
- EEPROM read/write
- Clear all event logs
- Clear all Assist+ history
Mileage Correction
For early versions (2013–2014), odometer correction is possible, but a CAN filter is required, as the ignition lock contains an active data copy.
If the cluster has already been patched previously, no filter is needed.
If not, and you want to patch it, you’ll need an external tool such as:
- Renesas V850E2 Locked script
- Or any third-party programmer that supports reading/writing locked NEC35xx chips.
Workflow:
- Read EEPROM and firmware version via OBD.
- Remove and disassemble the instrument cluster (soldering point photos included).
- Flash patched firmware - can be purchased separately.
- Reassemble the cluster and re-write the original EEPROM.
- You can now modify the mileage without a filter via CAN (on bench) or OBD (in vehicle).
Recommended Equipment:
OBD-II adapter based on MCP2515 for reliable communication and safe programming.
Open the program and click “Help” -> “About”.
Copy data from the program when placing an order
After completing the order, you will receive files, they must be added to the Scripts folder..
Launch the program and on the left side of the screen you will see the added scripts.
An activated module or license cannot be returned.
If you have entered the wrong key or device number, the return is not valid. It is not possible to modify the license for another device.
After status update to "Waiting for activation", the data has already been sent to the developer for activation. The order cannot be canceled or corrected starting from this status update.
Pay attention to all information specified in the description of modules and scripts taken from the manufacturer. We are not responsible if the information is not correct or there are some differences from the reality. In the disputed situation, it is necessary to look for a solution to the issue to the manufacturer.
Our store is not responsible for the functionality of the software module. We cannot guarantee the declared functions since we are not the developer.
