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ECU Codes

Old Jan 16, 2009 | 09:31 AM
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2019 GLA 250 - I am in purgatory right now...
ECU Codes

Hello,
I have seen that some of you have been able to read your error codes on the command screen. I have been endlessly searching here on how to do it, but I can't seem to find it, figure it out. How do you get into that diagnostic mode?
Thanks In advance.
Regards,
Rick
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Old Jan 17, 2009 | 12:21 AM
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Originally Posted by RickP330
Hello,
I have seen that some of you have been able to read your error codes on the command screen. I have been endlessly searching here on how to do it, but I can't seem to find it, figure it out. How do you get into that diagnostic mode?
Thanks In advance.
Regards,
Rick
hold answer and ok at the same time and you will get ther
make sure you have all doors locked and key in pos 1

Last edited by mthis; Jan 17, 2009 at 12:24 AM.
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Old Jan 17, 2009 | 10:23 AM
  #3  
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Originally Posted by mthis
hold answer and ok at the same time and you will get ther
make sure you have all doors locked and key in pos 1
Doing above on steering wheel let you go into service reset or dyno mode in instrument panel.
http://www.benzworld.org/forums/w204...e-message.html

For hidden menu in COMAND do following in center key pad.
Press on your comand the next three keys and hold them all untill the hidden service menu appears.
1. Hang up telephone (red button)
2. #
3. 1

http://www.benzworld.org/forums/w204...204-hacks.html

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