M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

ISM Location

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Old Jul 28, 2018 | 08:40 PM
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Mercedes GL450
ISM Location

Where is the ISM module located in 2007 Mercedes GL450? Is it inside the transmission case?
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Old Jul 29, 2018 | 12:24 AM
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You are on the wrong forum.

https://mbworld.org/forums/gl-class-x164-77/

It is on the outside of the transmission but after replacing it, it must be coded with STAR.

Last edited by Maj. Dundee; Jul 29, 2018 at 12:30 AM.
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Old Aug 5, 2018 | 12:24 PM
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Mercedes GL450
Thanks Maj Dundee. I couldn't take it out. Car was eventually taken to the Dealer and a new one put in at $1300. ouch!!
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Old Aug 6, 2018 | 08:31 AM
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Originally Posted by Mercedes4us
Thanks Maj Dundee. I couldn't take it out. Car was eventually taken to the Dealer and a new one put in at $1300. ouch!!
Ouch is right.
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Old Nov 10, 2019 | 10:33 PM
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ISM

Originally Posted by Maj. Dundee



You are on the wrong forum.

https://mbworld.org/forums/gl-class-x164-77/

It is on the outside of the transmission but after replacing it, it must be coded with STAR.
You have answered another post by me concerning this. Does the STAR know how to program to a new vehicle. How does that work if you don’t mind. Thanks in advance Dan S
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Old Nov 11, 2019 | 04:00 AM
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Originally Posted by Spartydano
You have answered another post by me concerning this. Does the STAR know how to program to a new vehicle. How does that work if you don’t mind. Thanks in advance Dan S
Yes it does, but for what reason? What code #?
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Old Nov 11, 2019 | 09:04 AM
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From: Torch Lake, MI
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ISM

Originally Posted by Maj. Dundee
Yes it does, but for what reason? What code #?
For the message “Drive to workshop without changing gears”. To install a transmission ISM safety module. I haven’t had the vehicle scanned. I’m just trusting what I’ve learned on the forum thus far. Thanks for your response and help. Dan S
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Old Nov 11, 2019 | 10:29 AM
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Sparty, what is the problem with the truck? Can you start the engine and put it into drive and back into park?
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Old Nov 11, 2019 | 11:30 AM
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Originally Posted by Maj. Dundee
Sparty, what is the problem with the truck? Can you start the engine and put it into drive and back into park?
Yes I can start the truck. It does not go into drive or reverse until the truck runs in park for about 20 minutes. This is discussed in another thread on this forum that you have advised on. You’ve been most helpful. It is best if I purchase the diagnostic devises you have suggested and then I believe I can repair the condition. My question on this thread was programming another module which you have answered yes. I thank you very much sir. I’m not the most mechanical person so I’m kind of learning as I go along and your advise and patience is again most appreciated. Sparty
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Old Nov 11, 2019 | 01:35 PM
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You should have not opened another thread on the same issue as it is not helpful to anyone, it should have been continued on the first one.

I do not think it is an ISM problem but I think it is a trans fluid problem. Either it's low on fluid or maybe the filter is clogged.

Check for leaks at the trans and also the lines at the radiator.

For the last time, you must own your own scanner.

Amazon Amazon
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Old Feb 6, 2024 | 02:49 PM
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Mercedes gl450 2008
Transmission slipping not goin pass 3 gear what to do I change my transmissio

[QUOTE=Mercedes4us;7514774]Where is the ISM module located in 2007 Mercedes GL450? Is it inside the transmission case?
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Old Feb 6, 2024 | 03:01 PM
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[QUOTE=Gl450 boyz;8919852]
Originally Posted by Mercedes4us
Where is the ISM module located in 2007 Mercedes GL450? Is it inside the transmission case?
Probably in the outside. Not sure if this is the right forum for that particular model.
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