M275 V12 Bi-Turbo Platform Technical discussion relating to models sharing the M275 V12 Bi-Turbo (V12 TT). Including SL600, SL65 AMG, CL600, CL65 AMG, S600, S65 AMG.
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CL65 tranny program on CL600?

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Old 07-23-2017, 04:25 PM
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CL65 tranny program on CL600?

Hi
I have access to both 65 and 600 EGS, both W215. I wonder if it`s possible to flash the AMG program to 600 because having driven both the 65 is much more comfortable in terms of shift speeds and overall responsiveness. Also, would it require SCN coding?
Old 07-26-2017, 05:24 AM
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2006 S600
Originally Posted by dunhill99
Hi
I have access to both 65 and 600 EGS, both W215. I wonder if it`s possible to flash the AMG program to 600 because having driven both the 65 is much more comfortable in terms of shift speeds and overall responsiveness. Also, would it require SCN coding?
What's an EGS?


Nick
Old 07-26-2017, 09:00 AM
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Originally Posted by Welwynnick
What's an EGS?


Nick
I meant the TCM. I understand they are identical between 600 and 65 except for the software.
Old 07-26-2017, 01:38 PM
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2014 E63s
Egs is the transmission control module. I'm trying to hunt down a 65 tcu for my S600 as we speak. I swapped them from my S65 onto my 600 and t was a vast improvement!
Old 07-26-2017, 05:53 PM
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Originally Posted by g60wall
Egs is the transmission control module. I'm trying to hunt down a 65 tcu for my S600 as we speak. I swapped them from my S65 onto my 600 and t was a vast improvement!
Did you have to do any coding to make the TCM work on another car? Have you considered doing the firmware flashing as is my idea?
Old 07-26-2017, 10:55 PM
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I'm planning on going to the dealer and having the software updated. I'm hoping this solves it. If not I will just be purchasing a tcu from the dealer
Old 08-04-2017, 01:58 PM
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I have had the TCU flashed with the 65 series program. No SCN coding was needed. Plug and play. The transmission now works faster and the manual mode has appeared, besides S and C.
The most pleasant part is that I had no kickdown before this and it works after the flash.
I reset the adaptations and though I can`t say it works flawlessly there is nothing troublesome and I think it will adapt over time.
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Old 08-04-2017, 08:36 PM
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05 CL600
Originally Posted by dunhill99
I have had the TCU flashed with the 65 series program. No SCN coding was needed. Plug and play. The transmission now works faster and the manual mode has appeared, besides S and C.
The most pleasant part is that I had no kickdown before this and it works after the flash.
I reset the adaptations and though I can`t say it works flawlessly there is nothing troublesome and I think it will adapt over time.
Where did you get your TCU flashed?
Old 08-07-2017, 08:16 AM
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At a local indie. It isn`t a hard job for any person who knows soldering and reprogramming chips. No Mercedes-specific equipment needed. For anyone interested I can post the firmwares here (stock 600 and 65).
By the way at the same time I had the ECU tuned by copying the firmware from another 600tt car. It had been chiptuned and dynoed at 610 bhp and after the same process as with the TCU I got it as well. The car noticeably faster and more responsive and I`m getting 1.2 bar boost instead of 0.9.
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Old 05-15-2020, 01:48 AM
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'05 S430, '05 S600
Originally Posted by dunhill99
At a local indie. It isn`t a hard job for any person who knows soldering and reprogramming chips. No Mercedes-specific equipment needed. For anyone interested I can post the firmwares here (stock 600 and 65).
By the way at the same time I had the ECU tuned by copying the firmware from another 600tt car. It had been chiptuned and dynoed at 610 bhp and after the same process as with the TCU I got it as well. The car noticeably faster and more responsive and I`m getting 1.2 bar boost instead of 0.9.
I'd be REALLLY INTERESTED in getting those firmware/software versions from you if you still have them. Getting ready to do the same on my '05 S600.

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