DTS Monaco — Daimler Diagnostic Engineering Suite

DTS Monaco - Mercedes Benz OBD2 Diagnostic & Programming 9.02

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DTS Monaco — Daimler Diagnostic Engineering Suite
DTS Monaco - Mercedes Benz OBD2 Diagnostic & Programming 9.02
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Overview Updates (2) Reviews (11) History Discussion

Post #141

dazthespaz said:
has new batteries main and aux (i put them in) im adding in 2 newVictron Energy MultiPlus-II 12V 30...
Click to expand...

That is a beast of a setup. You definitely won't have to worry about voltage drops during flashing with that kind of capacity on board.

Since it is an ex-ambulance, does it have the PSM (Parametric Special Module) installed? That is usually the module that handles the interface between the vehicle electronics and the third-party ambulance equipment.

It is a gold mine for campers/conversions because you can program logic into it (like "if aux battery < 12V, start engine" or "high idle switch"). You can configure all that logic directly in DTS Monaco once you get your system running.
 

Post #142

it was a intensive care ambulance it has the ACETECH system and its tied to everything..power drops the engine cuts in charges up...normal alternator and a high cap too
 

Post #143

dazthespaz said:
it was a intensive care ambulance it has the ACETECH system and its tied to everything..power drops ...
Click to expand...

That ACETECH system is serious kit, but it can be a double-edged sword when you start diagnosing with Xentry. Because it ties into everything, sometimes Xentry throws a fit if the ACETECH system intercepts CAN messages or if it is looking for modules that the ambulance system replaced or modified.

With that dual alternator setup and auto-start logic, you are set for power. However, a word of caution for when you start using DTS Monaco for flashing:

Be careful with the auto-start feature.

When you are flashing a control unit (like the ECU or TCU), you generally need the engine OFF but ignition ON. If the ACETECH system detects a voltage drop (which happens during flashing) and decides to crank the engine in the middle of a data transfer, the voltage fluctuation could brick the module you are working on.

You might need to find the isolation switch or disable that auto-start logic temporarily when you are doing deep coding or flashing work. It sounds like an amazing base for a conversion, though!
 

Post #145

dazthespaz said:
my friend is emas tech (east midland ambulance sevice) so any work on that he handles it....
Click to expand...

That is the ultimate сhеаt code. Having an insider for the proprietary ambulance systems saves you a massive headache.

That means you can focus purely on the Mercedes side with Xentry and Monaco without worrying about tripping up the ACETECH integration. Once that install finishes (you were at 228/278), you will be ready to tackle the standard vehicle modules while he handles the specialized hardware.
 

Post #147

dazthespaz said:
well that sucks i lost my key for xentry lol
Click to expand...

That is annoying, but usually not a disaster.

If this is a fresh installation (which it sounds like, since you were at package 228/278), your old key probably wouldn't have worked anyway. The license keys are tied to your specific Hardware ID, and sometimes even a reinstall or a major Windows update changes that ID enough to invalidate the old key.

You will likely need to generate a new StartKey using the ConfigAssist tool or the standalone kеу***, depending on which version/раtсh method you are using.

Do you have the key generator tool saved somewhere on the drive, or was it part of the package you downloaded? usually, it is just a matter of copying your Hardware ID from ConfigAssist into the generator and pasting the new long key back in.
 

Post #149

dazthespaz said:
v37.8.2.4 date09/2025
i had the thing to activate
some where lol
Click to expand...

Check your antivirus or Windows Defender quarantine history.

9 times out of 10, when the асtivа*** or kеу*** "disappears," it is because Windows Defender silently flagged it as a threat and quarantined it. If you find it there, you can restore it and add an exclusion for the folder.

Otherwise, look inside the installation folder or the original download package for a folder named раtсh, Fix, or Tools. If you downloaded a "Ready to use" image, the kеу*** is often left on the desktop or in C:\Program Files (x86)\Mercedes-Benz.
 

Post #152

dazthespaz said:
was free when i got now $100
Click to expand...

That is rough. Sellers often flip the script once a version gets popular.

However, since you are already on this forum, you shouldn't need to pay $100 just for an асtivа***. Look around the Mercedes-Benz Software section here. There are usually threads dedicated to "Xentry [Version] асtivа***" or "kеу***" where members share them for free or for "Thanks/Reputation".

Also, do you still have the original .rar or .zip file you downloaded the installer from? If you do, the асtivа*** is likely still inside that archive. Antivirus software usually deletes the file only *after* you extract it. If you open the archive again, you might find it sitting there safely. Just remember to disable Defender before dragging it out this time.
 

Post #154

dazthespaz said:
checking the file now to see if its hidden in it
Click to expand...

Good plan.

While you are looking, keep an eye out for folders named раtсh, Medicine, Fix, or KG.

Sometimes they also hide it inside a separate, smaller ZIP file *inside* the main archive, or even rename the .exe extension to something like .ex_ or .txt to prevent antivirus scanners from flagging it immediately.
 

Post #155

dazthespaz said:
found a kеу***
Click to expand...

Nice.

Before you touch it, disable Windows Defender (Real-time protection). It will delete it again the second you try to run it.

Also, make sure to run the kеу*** as Administrator. Copy your Hardware ID from ConfigAssist, generate the long key, and paste it back. Hopefully, that gets you past the finish line.
 

Post #157

dazthespaz said:
cant even get it lol
windows really blocks it
Click to expand...

Yeah, Windows Defender is relentless with these. It scans files the moment you try to touch them or extract them.

You have to completely kill the protection temporarily:

1. Go to Windows Security -> Virus & threat protection.
2. Click Manage settings under "Virus & threat protection settings".
3. Turn OFF Real-time protection.

Pro tip: While you are in that menu, scroll down to Exclusions. Add a specific folder (like C:\Xentry_Tools) to the exclusion list. Then extract the kеу*** directly into that folder. That way, when you turn Defender back on later, it won't instantly delete the file again.
 

Post #159

dazthespaz said:
im having to use edge to get this file cus chrome is a ass with this one lol
Click to expand...

Chrome and Edge are built on the same engine now, so they are both pretty aggressive about blocking "dangerous" files.

In Edge, when it blocks the download:
  1. Go to the Downloads menu (or press Ctrl+J).
  2. Find the blocked file.
  3. Click the three dots (...) next to it or right-click.
  4. Select Keep.
  5. It might ask you again; click Show more and then Keep anyway.

Just remember: the second that file hits your hard drive, Windows Defender will try to snipe it if you haven't turned off Real-time protection yet. Be ready!
 
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