Flashing w166 VGSNAG3 failed
Thread Starter
Newbie
Joined: Feb 2024
Posts: 6
Likes: 2
GLE 450 AMG
Flashing w166 VGSNAG3 failed
Hi all,
I am looking for help sorting out reprograming failure. I've preformed flash update on my car transmission due to harsh shifting, everything passed good and I got the latest available version. After making a round I've noticed shifting was not that good but I thought to give it some time for adaptation. After 2-3months driving car felt better but not how it should be, so I downgrade a version and then that happen. Installing lower version finished 100% success but after few seconds that error message appear Service Required, Do Not Shift Gears and since then I can't do new installation. The unit is buzzing every 10 sec like trying to figure on which gear is. Here are some errors I am getting when I am trying to reprogram now
Software Version 8.13.029
[11:07:56:805] STAT: An unspecific error ocured in the DCDI abstraction layer.; DYN: FLASH - Condition Not Correct >ProgrammingMode< - ProgBlock: 20441 ErrorCode: DCDI_ERROR ( 0x0000E800 )
[11:07:56:798] STAT: An unspecific error ocured in the DCDI abstraction layer.; DYN: FLASH - Condition Not Correct >ProgrammingMode< - ProgBlock: 20441 ErrorCode: DCDI_ERROR ( 0x0000E800 )
[11:05:38:045] STAT: An unspecific error ocured in the DCDI abstraction layer.; DYN: FLASH - Service Not Supported In Active Diagnostic Session >ReadSeedBytes< - ProgBlock: 20542 ErrorCode: DCDI_ERROR ( 0x0000E800 )
Any help would be highly appreciated
I am looking for help sorting out reprograming failure. I've preformed flash update on my car transmission due to harsh shifting, everything passed good and I got the latest available version. After making a round I've noticed shifting was not that good but I thought to give it some time for adaptation. After 2-3months driving car felt better but not how it should be, so I downgrade a version and then that happen. Installing lower version finished 100% success but after few seconds that error message appear Service Required, Do Not Shift Gears and since then I can't do new installation. The unit is buzzing every 10 sec like trying to figure on which gear is. Here are some errors I am getting when I am trying to reprogram now
Software Version 8.13.029
[11:07:56:805] STAT: An unspecific error ocured in the DCDI abstraction layer.; DYN: FLASH - Condition Not Correct >ProgrammingMode< - ProgBlock: 20441 ErrorCode: DCDI_ERROR ( 0x0000E800 )
[11:07:56:798] STAT: An unspecific error ocured in the DCDI abstraction layer.; DYN: FLASH - Condition Not Correct >ProgrammingMode< - ProgBlock: 20441 ErrorCode: DCDI_ERROR ( 0x0000E800 )
[11:05:38:045] STAT: An unspecific error ocured in the DCDI abstraction layer.; DYN: FLASH - Service Not Supported In Active Diagnostic Session >ReadSeedBytes< - ProgBlock: 20542 ErrorCode: DCDI_ERROR ( 0x0000E800 )
Any help would be highly appreciated
Member
Joined: Jun 2025
Posts: 163
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From: Australia
2014 ML63, 2018 GLC43, 1929 DB victory six sports roadster
Where are you getting the software versions from.
Not that I’m of any help whatsoever when it comes to computer stuff but if it’s not from Mercedes, fair chance that’s the issue.
Not that I’m of any help whatsoever when it comes to computer stuff but if it’s not from Mercedes, fair chance that’s the issue.
Thread Starter
Newbie
Joined: Feb 2024
Posts: 6
Likes: 2
GLE 450 AMG
No problem, thanks for the interest. There are certain tools available out there, I am using SWFinder the software is legit. As I mention above I’ve done it once and works fine. It’s just me that I missed some details and picked up a version which is for 725 9g tronic but for another car
