W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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Which transmission is compatible?

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Old 10-17-2021, 03:59 PM
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CL55
Which transmission is compatible?

Hey I have a 2003 CL55 amg, Which 5 speed trans is compatible with my car? Would any 722.6 work on my car? Thanks!
Old 10-18-2021, 03:56 AM
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CLK55
Originally Posted by MartinWake
Hey I have a 2003 CL55 amg, Which 5 speed trans is compatible with my car? Would any 722.6 work on my car? Thanks!
yeah anyeah the 722.6 trannies should work
Old 10-18-2021, 09:38 AM
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'99 and '05 E55 AMG
Originally Posted by Fidel_CashFlow
yeah anyeah the 722.6 trannies should work
Negative, Ghostrider! Tremendous variations in the 722.6 series.
OP, go to mbepc.net and search by your VIN. That will pull up the data card for your particular car and it will show you which version of the 722.6 is installed in your car. That is what you will need. Be advised the newest 722.6 transmissions available in a salvage yard will be at least 15 years old. If it were me, I would look at a quality rebuild.
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Old 10-18-2021, 10:43 AM
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'06 MB S55 AMG; '04 Audi Allroad 4.2; '05 BMW M3 Conv.; '92 MB 500E
Or call Sun Valley Mercedes Transmissions… one of the best in the business and they would also know… https://www.mercedesdismantlers.com/info.html

If you have your build sheet or VMI, it’s shown there too.

GL

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Old 10-18-2021, 03:15 PM
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Originally Posted by bbirdwell
Negative, Ghostrider! Tremendous variations in the 722.6 series.
OP, go to mbepc.net and search by your VIN. That will pull up the data card for your particular car and it will show you which version of the 722.6 is installed in your car. That is what you will need. Be advised the newest 722.6 transmissions available in a salvage yard will be at least 15 years old. If it were me, I would look at a quality rebuild.
It would be where it says GA? It shows two transmission codes.

Old 10-18-2021, 06:35 PM
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'99 and '05 E55 AMG
Originally Posted by MartinWake
It would be where it says GA? It shows two transmission codes.
Either will be correct for your car.
Old 10-18-2021, 06:48 PM
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Originally Posted by bbirdwell
Either will be correct for your car.
Do you know which would be stronger? I find lots of 722.636 for sale but none of the other.
Old 10-19-2021, 01:21 PM
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'99 and '05 E55 AMG
Not off the cuff. The ATSG 722.6 transmission technical manual may show the difference except I do not have my copy handy.
Old 10-19-2021, 11:39 PM
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When I buy the transmission does it have to be programmed or is that only for the 7 speeds?
Old 10-20-2021, 08:04 AM
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That's the 7G. The 722.6 is controlled by an external TCU.
Old 10-22-2021, 08:48 PM
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Originally Posted by bbirdwell
Negative, Ghostrider! Tremendous variations in the 722.6 series.
OP, go to mbepc.net and search by your VIN. That will pull up the data card for your particular car and it will show you which version of the 722.6 is installed in your car. That is what you will need. Be advised the newest 722.6 transmissions available in a salvage yard will be at least 15 years old. If it were me, I would look at a quality rebuild.
I checked the website again and on one page of the website it shows the two codes like on the other screenshot I posed but now it shows only one code on another part of the website. From further research it seems like the ones ending in 636 are for non supercharged amgs and 643 are for supercharged ones. The problem is I cannot find 643 ones for sale most of them are 636 which I do not know if they will work..

Old 10-23-2021, 10:32 AM
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2006 CLS55 AMG, 2005 SLK 350 AMG
Originally Posted by MartinWake
I checked the website again and on one page of the website it shows the two codes like on the other screenshot I posed but now it shows only one code on another part of the website. From further research it seems like the ones ending in 636 are for non supercharged amgs and 643 are for supercharged ones. The problem is I cannot find 643 ones for sale most of them are 636 which I do not know if they will work..
I'm fairly sure all US based 211 E55 used the 722.643 trans. The salvage yards are full of those. Are you in the US? I just did a quick eBay for a 2005 E55 and got this along with a bunch of others: https://www.ebay.com/itm/28445957950...0AAOSw3YdhSR9c
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Old 10-23-2021, 05:05 PM
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Originally Posted by machild
I'm fairly sure all US based 211 E55 used the 722.643 trans. The salvage yards are full of those. Are you in the US? I just did a quick eBay for a 2005 E55 and got this along with a bunch of others: https://www.ebay.com/itm/28445957950...0AAOSw3YdhSR9c
Yeah I have seen that one but where have you seen them in salvage yards? I have searched around my area (Miami) and have not found any old amgs only non amg ones.
Old 10-24-2021, 09:24 AM
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2006 CLS55 AMG, 2005 SLK 350 AMG
Originally Posted by MartinWake
Yeah I have seen that one but where have you seen them in salvage yards? I have searched around my area (Miami) and have not found any old amgs only non amg ones.
You may need to broaden search area to to the US. Lots of salvage yards sell on eBay so keep an eye their. Larger national salvage yard owners like LKQ (several yards in almost every state plus Canada). Why are you looking for a trans? Something not right about yours?
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Old 10-24-2021, 09:45 PM
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Originally Posted by machild
You may need to broaden search area to to the US. Lots of salvage yards sell on eBay so keep an eye their. Larger national salvage yard owners like LKQ (several yards in almost every state plus Canada). Why are you looking for a trans? Something not right about yours?
https://mbworld.org/forums/w211-amg/...nsmission.html
Old 10-25-2021, 09:33 AM
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2006 CLS55 AMG, 2005 SLK 350 AMG
I suggest before you buy an unknown used transmission you consider having yours rebuilt by a top trans shop. Do a search here on swapping out the trans for a salvage yard unit and the failure rate of the replacement. There was a recent disussion on just that here on this forum.
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