W211 AMG Discuss the W211 AMG's such as the E55 and the E63

Disabling Check Engine Light in STAR

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Old Jun 15, 2018 | 01:01 AM
  #1  
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2005 E55 AMG
Disabling Check Engine Light in STAR

Hello,

Since I have owned my car, my check engine light has been disabled through STAR. That said, I scan it frequently and it has no issues. The light just isn't turned on. This became evident to me when I had a primary o2 sensor malfunction and no light. STAR showed the CEL as on, yet there was no light on in my dash.

I know there is a way to turn it off and on using dev mode (which I have), I just don't know exactly how.

Could someone please enlighten me on how to get my CEL working again? Feel free to message me if you do not want to publicly broadcast how to deactivate the CEL.

Thanks!
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Old Jun 15, 2018 | 10:07 AM
  #2  
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
Are you sure you don't just have a burned out (or otherwise disconnected/bad solder/loose connection) bulb?
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Old Jun 15, 2018 | 11:02 AM
  #3  
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2005 E55 AMG
Originally Posted by rapidoxidation
Are you sure you don't just have a burned out (or otherwise disconnected/bad solder/loose connection) bulb?
Yes - STAR has a "bulb test" function. CEL bulb works fine.
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Old Jun 15, 2018 | 05:46 PM
  #4  
£ C43 £ AMG £'s Avatar
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E55K AMG
Originally Posted by Davednconfused
Hello,

Since I have owned my car, my check engine light has been disabled through STAR. That said, I scan it frequently and it has no issues. The light just isn't turned on. This became evident to me when I had a primary o2 sensor malfunction and no light. STAR showed the CEL as on, yet there was no light on in my dash.

I know there is a way to turn it off and on using dev mode (which I have), I just don't know exactly how.

Could someone please enlighten me on how to get my CEL working again? Feel free to message me if you do not want to publicly broadcast how to deactivate the CEL.

Thanks!

  1. DRIVE
  2. MESFI2.8
  3. DEVELOPEMENT DATA
  4. CONTROL UNIT ADAPTATIONS
  5. CONTROL UNIT ADAPTATIONS (variant coding)
  6. Implitzite kodierung ME281 AMG C6-stand
  7. Go to item 0182 and change to "Diagnose"

this will turn on O2 sensors, do this with the engine off
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Old Jun 16, 2018 | 12:21 AM
  #5  
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2005 E55 AMG
Originally Posted by £ C43 £ AMG £
  1. DRIVE
  2. MESFI2.8
  3. DEVELOPEMENT DATA
  4. CONTROL UNIT ADAPTATIONS
  5. CONTROL UNIT ADAPTATIONS (variant coding)
  6. Implitzite kodierung ME281 AMG C6-stand
  7. Go to item 0182 and change to "Diagnose"

this will turn on O2 sensors, do this with the engine off
That is just for the rear o2 sensors though, isn't it? It wouldn't completely turn off the Check Engine Light?
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Old Jun 17, 2018 | 01:01 PM
  #6  
knowbenz's Avatar
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Don't have an SDS in front of me but i know for sure on 220/215 cars it is in instrument cluster under control unit adaptations.
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Old Jun 17, 2018 | 09:44 PM
  #7  
E42AMG???'s Avatar
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It's under instrument cluster somewhere
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Old Feb 11, 2021 | 12:51 AM
  #8  
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E280 avangart 2006
I have same problem in my E280 avantgarde 2006

Originally Posted by £ C43 £ AMG £
  1. DRIVE
  2. MESFI2.8
  3. DEVELOPEMENT DATA
  4. CONTROL UNIT ADAPTATIONS
  5. CONTROL UNIT ADAPTATIONS (variant coding)
  6. Implitzite kodierung ME281 AMG C6-stand
  7. Go to item 0182 and change to "Diagnose"

this will turn on O2 sensors, do this with the engine off
I couldn't find step 7 in DAS
My car didn't have catalyst so I have engine check light on
I want to disable check light

Last edited by Edalatjoo; Feb 11, 2021 at 12:57 AM.
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Old Feb 11, 2021 | 10:57 AM
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Originally Posted by Edalatjoo
I couldn't find step 7 in DAS
My car didn't have catalyst so I have engine check light on
I want to disable check light
That post is missing a few words. You go to 0182 or 0183 (it will say Kat or something close in German (for catalytic converter) so you've got the right one). Change from diagnose ein to diagnose aus, then accept the coding.
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