Mercedes 2018-2023 HU6 R7F701403 Mileage Correction by APPRO2

Apr17

Since Jan. 2025 APPRO2 has supported the Mercedes-Benz 2018-2023 HU6 instrument cluster(with processor R7F701403) odometer correction

Here is the example

Run APPRO2 Software.

Go to Mercedes Benz function-Benz mileage Tool-HU6(IC177) 2018-2023 without CAN Filter.

appro2 correct benz mileage correction

Check wiring diagram

Remove and disassemble HU6 cluster

Locate processor CPU R7F701403

Solder RH850 adapter wires to the cluster according to the wiring diagram and connect RH850 adapter with AP-PRO2 main unit

Follow steps below to correct mileage.The APP2 will calculate mileage date online.Make sure you have stable network connection.
1.Read/Crack CPU info.
2.Preprocess CPU
3.Read Config Data
4.Calculate service data online(decrypt Config data)
5.Write service data
6.Turn off ignition and exit service mode.

Then follow prompts until finish

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