Upgrades to LTE, location of the communication module?

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Old Apr 28, 2024 | 02:56 PM
  #1  
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2018 Mercedes A205 Cabriolet
Upgrades to LTE, location of the communication module?

Hi all, my first post here!
I’m living Europe, driving a 2018 C-class Cabriolet.
My big project is to update (replace) the UMTS communication module to a LTE module now when the 2/3G net is closing down. I have acquired a LTE modem/module which is supposed to fit my vehicle, but I can’t find the UMTS one. I know that they are fitted under passenger seat in sedan/coupes but where in the whole world are they located in Cabriolets..? 🤔 Does anybody here know?

(I’m aware of that the new unit has to be SCN programmed in and registered with Mercedes via Star/Xentry.)

Last edited by Andiee; Apr 28, 2024 at 04:15 PM.
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Old Apr 28, 2024 | 08:15 PM
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dreaming is always good
even if you succeed to do what we have done and get it connected to the network you will face a concrete MB wall
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Old Apr 29, 2024 | 03:45 AM
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2018 Mercedes A205 Cabriolet
Thank you for your input!
Do you know where the Communication modem/modul is located on a A205 2018 Convertible?

Last edited by Andiee; Apr 29, 2024 at 05:45 AM.
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Old Apr 29, 2024 | 08:27 AM
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Originally Posted by Andiee
Thank you for your input!
Do you know where the Communication modem/modul is located on a A205 2018 Convertible?
here you go
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Old Apr 29, 2024 | 08:31 AM
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Where do I go? Forgot to enclose something?
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Old Apr 29, 2024 | 08:36 AM
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here
Attached Files
File Type: pdf
hermes.pdf (289.0 KB, 1493 views)
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Old Apr 29, 2024 | 08:51 AM
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Great! A million thanks! 😘I found the Burmester amplifier thingy (with a “computer fan” on it) just in front of the right taillight but then I gave up. Obviously I did not search far enough on the right side. 😄
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Old Apr 29, 2024 | 09:00 AM
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Originally Posted by Andiee
Great! A million thanks! 😘I found the Burmester amplifier thingy (with a “computer fan” on it) just in front of the right taillight but then I gave up. Obviously I did not search far enough on the right side. 😄
good luck
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Old May 13, 2024 | 07:54 AM
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2018 Mercedes A205 Cabriolet
Originally Posted by BenzNinja
good luck
Thank you! Unfortunately I hit the MB wall today. Seems you were right.
I’m at an authorized MB dealer now, they can change the vehicle code from 360 to 362 but they are not getting the module to connect to the MB system. They get an error message back.
They have succeeded in doing this job before, my car seems to be the first one to be denied. I assume the Germans, since a few day, have blocked this opportunity now.
Could also be that my used module is not working properly, of course, but I doubt.
Previously converted vehicles work still, I just checked. Unlucky me! 🤨
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Old May 13, 2024 | 08:13 AM
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Originally Posted by Andiee
Thank you! Unfortunately I hit the MB wall today. Seems you were right.
I’m at an authorized MB dealer now, they can change the vehicle code from 360 to 362 but they are not getting the module to connect to the MB system. They get an error message back.
They have succeeded in doing this job before, my car seems to be the first one to be denied. I assume the Germans, since a few day, have blocked this opportunity now.
Could also be that my used module is not working properly, of course, but I doubt.
Previously converted vehicles work still, I just checked. Unlucky me! 🤨

you see, told you

we got it all working even called MB with it
we added all possible SA codes to the MB servers
but you will get no activation from them with your vin

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Old May 13, 2024 | 08:17 AM
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2018 Mercedes A205 Cabriolet
Originally Posted by BenzNinja
you see, told you

we got it all working even called MB with it
we added all possible SA codes to the MB servers
but you will get no activation from them with your vin
I guess that’s what’s happened to me/the dealer today.. MB won’t let anyone bypass their systems.
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Old May 13, 2024 | 08:38 AM
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Originally Posted by Andiee
I guess that’s what’s happened to me/the dealer today.. MB won’t let anyone bypass their systems.
Peter is trying to say that it can be done if you ask him.
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Old May 13, 2024 | 08:51 AM
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Originally Posted by W205C43PFL
Peter is trying to say that it can be done if you ask him.
Okay, but here at my dealer they say they get an error code.
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Old May 13, 2024 | 09:00 AM
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Originally Posted by Andiee
Okay, but here at my dealer they say they get an error code.
Maybe Peter has a way, ask him anyways, it doesn't hurt to ask, worse case is he said he can't do it, can't hurt to ask : )
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Old May 13, 2024 | 06:18 PM
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Originally Posted by W205C43PFL
Peter is trying to say that it can be done if you ask him.


Well


I haven't been further with it, lack of time. it's not willing related it is MB database related

meaning that the activation button is not enable to the MB operator as long as the car VIN doesn't match
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Old May 13, 2024 | 07:18 PM
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Originally Posted by BenzNinja
Well


I haven't been further with it, lack of time. it's not willing related it is MB database related

meaning that the activation button is not enable to the MB operator as long as the car VIN doesn't match
Hmmm, interesting, hopefully you can figure it out when you have time.
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Old Sep 11, 2025 | 04:33 PM
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W207 E500 convertible
Hi Guys,

Does someone figure out the problem?

Can someone implement the LTE codes for my vin?

Best regards,

Wolfi
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Old Sep 12, 2025 | 05:35 AM
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Originally Posted by wolfi3264
Hi Guys,

Does someone figure out the problem?

Can someone implement the LTE codes for my vin?

Best regards,

Wolfi
Reading between the lines, it will not work for YOUR vin, but it will work for A vin. You should reach out to ninja who is mentioned in the thread...
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Old Nov 20, 2025 | 09:11 AM
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I would also like to summons this Peter in which you all speak please. How would i contact him? I have to get this connected. Thanks for any help.
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