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Old Apr 10, 2025 | 02:11 PM
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Emissions update
Apparently my cars dpf.system is.all new. Does this means it's had the recall? I want to reverse it the ecu update as well, as it'll get better mpg. Any idea on how to do that?
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Old Apr 10, 2025 | 04:43 PM
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Originally Posted by Mercmiester
Apparently my cars dpf.system is.all new. Does this means it's had the recall? I want to reverse it the ecu update as well, as it'll get better mpg. Any idea on how to do that?
You might be able to get it reversed by a third party coder, one of such coders has a banner on top of mbworld, send him an inquiry on what you want to do.
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Old Apr 10, 2025 | 04:56 PM
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Originally Posted by W205C43PFL
You might be able to get it reversed by a third party coder, one of such coders has a banner on top of mbworld, send him an inquiry on what you want to do.
Which guy.. dm maybe?
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Old Apr 10, 2025 | 04:57 PM
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Originally Posted by W205C43PFL
You might be able to get it reversed by a third party coder, one of such coders has a banner on top of mbworld, send him an inquiry on what you want to do.
is it the coding or def system that kills mpg?
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Old Apr 10, 2025 | 06:05 PM
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Originally Posted by Mercmiester
Which guy.. dm maybe?
You can't miss it, it is a banner with coding services on the top of the forums, if you don't see it when logged in, try logging out.
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Old Apr 10, 2025 | 06:06 PM
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Originally Posted by Mercmiester
is it the coding or def system that kills mpg?
If I understand you correctly, you wanted to reverse to a previous software version right, downgrade? If so, you could try contacting him and see if it is possible, the dealership will not downgrade that I know for sure.
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Old Apr 10, 2025 | 06:12 PM
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Here is the banner: https://cimg2.ibsrv.net/gimg/www.mbw...f411943b71.png
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Old Apr 10, 2025 | 06:19 PM
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You can downgrade with a 20$ Openport interface, no need any expensive Chinese clones. Very easy job, but the car will drive badly....


Also, if you paying a little less attention to the mpg and if you try a correct maintenance - good air filter and correct settings with at least the same cheap interface you will notice very soon that the new software is quite genial.

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Old Apr 10, 2025 | 06:20 PM
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Originally Posted by trigital
You can downgrade with a 20$ Openport interface, no need any expensive Chinese clones. Very easy job, but the car will drive badly....


Also, if you paying a little less attention to the mpg and if you try a correct maintenance - good air filter and correct settings with at least the same cheap interface you will notice very soon that the new software is quite genial.
I just read it made mpg horrible. After rhe diesel gate stuff
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Old Apr 10, 2025 | 06:21 PM
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Maybe on VW forum....
Here on MB is not all about mpg
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Old Apr 10, 2025 | 06:34 PM
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Originally Posted by trigital
Maybe on VW forum....
Here on MB is not all about mpg
so. Did the update make.mpg worse?
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Old Apr 10, 2025 | 06:46 PM
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The old tractor engine became so smooth after the update, so maybe because you'd love the sound and almost constant torque, the mpg will be higher...but not because of the update.
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Old Apr 10, 2025 | 06:46 PM
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Originally Posted by trigital
You can downgrade with a 20$ Openport interface, no need any expensive Chinese clones. Very easy job, but the car will drive badly....


Also, if you paying a little less attention to the mpg and if you try a correct maintenance - good air filter and correct settings with at least the same cheap interface you will notice very soon that the new software is quite genial.
Hmmm, how come it will make it drive badly?
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Old Apr 10, 2025 | 06:47 PM
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Originally Posted by W205C43PFL
Hmmm, how come it will make it drive badly?
Because of the lack of smoothness of the upgrade
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Old Apr 10, 2025 | 06:49 PM
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Originally Posted by trigital
The old tractor engine became so smooth after the update, so maybe because you'd love the sound and almost constant torque, the mpg will be higher...but not because of the update.
So they did some tuning with the software hence why it made the car smoother?
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Old Apr 10, 2025 | 06:50 PM
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Originally Posted by trigital
Because of the lack of smoothness of the upgrade
So sorry, I am still confused : (
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Old Apr 10, 2025 | 06:55 PM
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Originally Posted by W205C43PFL
So they did some tuning with the software hence why it made the car smoother?
Before they use the VW/BMW style with all torque on 1200-1600rpm and aggressive lockup clutch, now they make more room for maximum torque as they let the clutch slipping a little bit more so little bit higher rpm feels more smooth - without low rpm tractor vibration - maybe this will add some mpg, but the results is quite fantastic, less NOx because higher rpm with more diesel, less vibrations, more torque over higher rpm, as a MB engine should behave
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Old Apr 10, 2025 | 06:56 PM
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Originally Posted by W205C43PFL
So sorry, I am still confused : (
Try a drive test with an old w204 diesel, you would love the torque but you'll always choose your low torque gasoline as is more smooth
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Old Apr 10, 2025 | 06:58 PM
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Originally Posted by trigital
Try a drive test with an old w204 diesel, you would love the torque but you'll always choose your low torque gasoline as is more smooth
So does the newer updates improve the smoothness of these diesels by chance hence why if you downgrade it is going to be less smooth was my question, again sorry for the confusion.
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Old Apr 10, 2025 | 07:01 PM
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The answer is in your question, new update more smoothness means that the old update is not the new update....so no the new update smoothness is not present in old configuration, where the torque is very high on low rpm.....and so on
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Old Apr 10, 2025 | 07:02 PM
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Originally Posted by trigital
The answer is in your question, new update more smoothness means that the old update is not the new update....so no the new update smoothness is not present in old configuration, where the torque is very high on low rpm.....and so on
Thank you, that clarified it, appreciate it.
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Old Apr 11, 2025 | 12:08 PM
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Ive been working off of this.

How do I get 30 mpg in the city? Sometimes it's 26 and that isnt why i bought the car. Does the emissions update have anything to do with this at all?
Last edited by Mercmiester; Apr 11, 2025 at 12:24 PM.
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Old Apr 11, 2025 | 05:49 PM
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Originally Posted by trigital
Before they use the VW/BMW style with all torque on 1200-1600rpm and aggressive lockup clutch, now they make more room for maximum torque as they let the clutch slipping a little bit more so little bit higher rpm feels more smooth - without low rpm tractor vibration - maybe this will add some mpg, but the results is quite fantastic, less NOx because higher rpm with more diesel, less vibrations, more torque over higher rpm, as a MB engine should behave
I was thinking European, please accept my apologies.
I mean that the new update could decrease the mpg, we here use liters/100km and I was confused.
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Old Apr 12, 2025 | 07:16 PM
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Originally Posted by W205C43PFL
Who is that? That doesn't show up on my phone
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Old Apr 12, 2025 | 07:18 PM
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Originally Posted by trigital
The old tractor engine became so smooth after the update, so maybe because you'd love the sound and almost constant torque, the mpg will be higher...but not because of the update.
so how much higher and is it to do with the new dpf system at all?
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