It’s successful to do 2019- Mercedes-Benz HU6 cluster R7F701403 mileage correction using CGDI CG100X Programmer. No soldering. No lift pin. No need filter!
CG100X V1.7.1.0 added Benz HU6 cluster models below:
- Benz A-class (W247) 2019- R7F701403 (encrypted)
- Benz B-class (W247) 2019- R7F701403 (encrypted)
- Benz CLA (W247) 2019- R7F701403 (encrypted)
- Benz GLA (W247) 2019- R7F701403 (encrypted)
- Benz GLB (W247) 2019- R7F701403 (encrypted)
- Benz GLE (W167) 2019- R7F701403 (encrypted)
- Benz E-class (W213) 2020- R7F701403 (encrypted)
- Benz CLS (W213) 2020- R7F701403 (encrypted)
Step-by-step guide to repair Benz HU6 R7F701403 cluster mileage by CGDI CG100X:
Requirements:
✔CG100X Programmer
✔ CG100X Pro V2 Adapter
✔ CG100X D1 Adapter
✔ CG100X V1.7.1.0 or newer version
✔ Stable network connection
Step 1: Record Original Mileage
Record the original mileage (e.g. 564.1 km)
Step 2: Remove and Inspect the HU6 Instrument Module
- Remove the HU6 instrument module from the vehicle.
- Disassemble the module and check both front and back sides.
Step 3: Select Dashboard Model and Check Wiring Diagram
- The mileage data is stored in the R7F701403 (encrypted) processor.
- Open CG100X software
Navigate to:
Dashboard→ Europe → Mercedes → GLE W167 → 2019 → R7F701403 (encrypted)
- Check the wiring diagram for proper connections.
Step 4: Connect the Benz dashboard to CG100X
- Connect the Benz HU6 module to CG100X using the Pro V2 Adapter
- Follow the wiring diagram to remove three capacitors (220nf each) around the processor
- Connect the D1 adapter (Do not extend the wire harness).
- Connect DC 12V power supply.
Step 5: Perform Mileage Correction
Start the operation
Decrypt the chip & chip ID
Read and save DFlash & PFlash data
CG100X will automatically calculate the mileage online
Enter the new mileage you desire (e.g., 2,345 km)
Write the new mileage to the module
Step 6: Verify and Reassemble
Read data again to check the new mileage (should show 2,345 km).
Resolder the three capacitors to restore the module to its original state.
Reinstall the HU6 module back into the vehicle.
CGDI CG100X correct mileage for 2019- Mercedes-Benz HU6 R7F701403 cluster successfully!