UDS Commands for AMG menu in Vediamo + AMG Codes 06-2022

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rgmaster3
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UDS Commands for AMG menu in Vediamo + AMG Codes 06-2022

Message par rgmaster3 » jeu. 5 janv. 2023 13:47

UDS Commands for AMG menu in Vediamo + AMG Codes 06-2022 / CNG or preheat lamp fix
how to change the bytes in IC for AMG menu activation.

UDS commands for AMG menu in Vediamo::
1. First of all connect to IC_204 in Vediamo.
2. Write down Software Block #0 for correct seed/key calculation.
3. Press F12 for manual command input.
4. Now you must unlock the ECU on level 9, for unlocking the ECU you must have seed/key generator. (unfortunately, there is no free seed/key generator till now).
5. Send this UDS command for SEED level 9: "27 09".
6. You receive this response: "67 09 XX XX XX XX XX XX XX XX".
7. Input this seed "XX XX XX XX XX XX XX XX" in the seed/key generator and calculate level 9 key "YY YY YY YY YY YY YY YY".
8. Answer the ECU with this command: "27 0A YY YY YY YY YY YY YY YY".
9. If ECU response "67 0A" then you successfully unlock it for level 9 otherwise you are failed.
10. Now you must unlock the ECU on level 0D, for unlocking the ECU you must have seed/key generator. (unfortunately, there is no free seed/key generator till now).
11. Send this UDS command for SEED level 0D: "27 0D".
12. You receive this response: "67 0D AA AA AA AA AA AA AA AA".
13. Input this seed "AA AA AA AA AA AA AA AA" in the seed/key generator and calculate level 0D key "BB BB BB BB BB BB BB BB".
14. Answer the ECU with this command: "27 0E BB BB BB BB BB BB BB BB".
15. If ECU response "67 0E" then you successfully unlock it for level 0D otherwise you are failed.
16. Congratulations, ECU is ready for writing AMG bytes.
17. Send this UDS command for reading eeprom line 0001D0: "23 14 10 00 01 D0 08".
18. You receive this response: "63 CC CC CC CC CC CC CC CC" that "CC CC CC CC CC CC CC CC" is the first 8 bytes of line 0001D0 of your eeprom.
19. Change these bytes regarding to your mind and "AMG Codes.txt" on your own risk. be wise and make a right decision. An example: you receive "FF FF FF FF FF FF FF FF" and change it to "FC FF FF FF FF FF FF FF".
20. Now write the changed bytes "DD DD DD DD DD DD DD DD" to eeprom with this command: "3D 14 10 00 01 D0 08 DD DD DD DD DD DD DD DD".
21. If ECU response "7D 14 10 00 01 D0 08" then you successfully write your changed bytes to eeprom.
22. To be sure that changes are apply read the eeprom line 0001D0 again: send command "23 14 10 00 01 D0 08".
23. To fix CNG or Pre-heat lamp you must read line 000260 for 10 bytes.
24. Send this UDS command for reading eeprom line 000260: "23 14 10 00 02 60 0A".
25. You receive this response: "63 EE EE EE EE EE EE EE EE EE EE" that "EE EE EE EE EE EE EE EE EE EE" is the first 10 bytes of line 000260 of your eeprom.
26. Change these bytes regarding to your mind and "AMG Codes.txt" on your own risk. be wise and make a right decision. An example: you receive "FF FF FF FF FF 28 FF FF 30 20" and change it to "FF FF FF FF FF 28 FF FF 30 82" for CNG fix or "FF FF FF FF FF 28 FF FF 30 60" for pre-heat lamp fix.
27. Now write the changed bytes "GG GG GG GG GG GG GG GG GG GG" to eeprom with this command: "3D 14 10 00 02 60 0A GG GG GG GG GG GG GG GG GG GG".
28. If ECU response "7D 14 10 00 02 60 0A" then you successfully write your changed bytes to eeprom.
29. Now send UDS command "11 01" for ECU reset and saving eeprom changes.
30. DONE.


AMG Codes Updated on 13-06-2022:
These informations are gathered from all web to help mhhauto users clarify how to change the bytes in IC for AMG menu activation

For W221:
1.On offset 0168: "XX" must change to
A. "80" for V8 AMG menu 320KM scale
B. "C0" for V12 AMG menu 360KM scale


For W211/W219:
1.On offset 0210: "XX XX 19 00" must change to
A. "XX XX 39 00" for just AMG menu
B. "XX XX 39 01" for AMG menu + Oil temperature
C. "XX XX 39 03" for AMG menu + Oil temperature + Battery voltage

2.On offset 0210: "XX XX 11 00" must change to
A. "XX XX 31 FF" for AMG menu + Oil temperature + Battery voltage

3.The original AMG IC have code “XX XX FF FF” on offset 0210 (Full AMG options)


For W204/W212:
It’s confusing
It’s all about offset 01D0

1. For Monochrome:
A. Full menu: "10 20"
B. Mini: "40 FF" but with airmatic: "20 FF"

2. For Color 5-Pot:
A. "60 FF" or "10 20"
B. With airmatic: "20 10" or "20 30" or "20 40" or "20 60"

3. For Color 3-Pot:
A. "60 E3 0A 64 78 40 A0 E0 00"
B. "40 E3 0A 64 78 40 A0 E0 00" for airmatic
C. "FF E3 0A 64 78 40 A0 E0 00" maybe for preheat fix on petrol cars

4. Approved that for CNG fix change offset 0260 from "XX XX XX XX XX XX XX XX XX XX" to "XX XX XX XX XX XX XX XX XX 82" or "XX XX XX XX XX XX XX XX XX 12"

5. Approved that for Pre-heat lamp fix change offset 0260 from "XX XX XX XX XX XX XX XX XX XX" to "XX XX XX XX XX XX XX XX XX 60"

It’s so confusing on IC-204, some says change offset 01D0 to "60" and some says change to "FC" and some says change to "10 20".
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