DTS Monaco - Mercedes Benz OBD2 Diagnostic & Programming 9.02

How do you make Monaco read the vcx

aj310 said:

How do you make Monaco read the vcx

Click to expand...

To make DTS Monaco recognize your VCX scanner (which is a J2534 device), you must configure the "Interface" settings manually.

Prerequisite:
Ensure you have the VX Manager software installed and that you have installed the "Passthru" driver inside VX Manager. (Click "Diagnostic" -> "Passthru" -> Install).

Step-by-Step Configuration

1. Open System Configuration
Open the "DTS Monaco System Configuration" tool (not the main Monaco app).

2. Go to Interfaces
Click the Interfaces tab on the left side.

3. Create New Interface
* Right-click in the white space and select New Interface.
* Name: Type VCX_Interface.
* D-PDU API: Select the latest version available in the dropdown (usually starts with Softing_D_PDU_API...).
* Module Type: Select MVCI_ISO_13400_DOIP (Since your EQE is a newer car, DoIP is preferred). If that doesn't work later, try MVCI_ISO_15765_H_CAN.
* Cable / Hardware: Look for J2534 or PassThru in the list.
* Select Device: A popup might appear asking which J2534 device to use. Select VXDIAG - J2534.
* Click OK/Save.

4. Assign Interface to Your Project
* Go back to the Project Administration tab (where you added the SMR-D files earlier).
* Select your project (W295_Crash_Fix).
* Look for a setting called Interface or VCI.
* Change it from "Simulation" (or whatever it is) to the new VCX_Interface you just created.
* Save everything.

How to Test It
1. Close System Config.
2. Open the main DTS Monaco application.
3. Open your Workspace.
4. Click the Start / Connect button.
5. Look at the bottom right corner of the screen.
* Green Icon / "VCI Connected": Success.
* Red Cross / "Simulation": It is not reading the VCX. Check your VX Manager drivers again.

where do i find the smr file codes can i download them somewhere

aj310 said:

where do i find the smr file codes can i download them somewhere

Click to expand...

Since you do not have Xentry installed, you do not have the SMR-D database files on your laptop. You need to get them separately.

Option 1: Install Xentry (Recommended)
If you install Xentry Diagnostic Software, it automatically installs the entire SMR-D database for all Mercedes models. This is the cleanest way because:

• You get every single ECU file for every Mercedes ever made.
• DTS Monaco will automatically find them.
• No manual searching needed.

The current version is Xentry 2024.09 or newer. You can find installation guides and links in the Xentry section of this forum.

Option 2: Download the SMR-D Database Separately
If you do not want to install the full Xentry software, you can download just the database files.

Search this forum for:

• "SMR-D Database"
• "Monaco SMR-D Pack"
• "DTS Monaco Database Files"
• "ODX Database Mercedes"

Members have shared these files in various threads. They are usually a large archive (10-30 GB) containing every SMR-D file for all Mercedes ECUs.

Once downloaded:
1. Extract the archive to a folder on your laptop, for example: C:\Monaco_Database\
2. Open DTS Monaco System Configuration.
3. Go to Project Administration.
4. When you click Import, navigate to that folder.
5. Search inside for OBC223.smr-d and BMS_GEN5.smr-d.

Option 3: Request the Specific Files
If you only need the two files (OBC223 and BMS_GEN5), you can ask in this thread or send a private message to members who work with DTS Monaco. Someone with Xentry installed can export just those two files for you. They are small (a few MB each).

My Recommendation:
Install Xentry. Even if you never use Xentry itself, it gives DTS Monaco everything it needs automatically. Without it, you will keep running into missing file problems every time you try to do something new.

tell me step by step in monaco how to clear crash data and get my charger working through manaco steep by step extremely detailed how to open the file every tab i press word for word

aj310 said:

tell me step by step in monaco how to clear crash data and get my charger working through manaco ste...

Click to expand...

Complete Step-by-Step DTS Monaco Crash Reset Guide

This assumes you have DTS Monaco installed, the SMR-D files on your laptop, and your VCX connected to the car with ignition ON.

PART 1: OPEN DTS MONACO SYSTEM CONFIGURATION

1. Go to your Desktop or Start Menu.
2. Find the icon that says DTS Monaco Administration or System Configuration.
3. Double-click it to open.
4. You will see a window with tabs on the left side.

PART 2: CREATE THE PROJECT

1. On the left side, click the tab that says Project or Project Administration.
2. You will see a white empty area in the middle of the screen.
3. Right-click in that white area.
4. A small menu appears. Click New...
5. A new window pops up asking for a name.
6. In the Name field, type: EQECRASHFIX
7. Click OK.
8. Your new project now appears in the list on the left.
9. Single-click on EQECRASHFIX to highlight it.
10. Now look at the right side of the screen. You will see tabs at the top. Click the tab that says Diagnostic Database or Database.
11. You will see an empty list. This is where you add your SMR-D files.
12. Look for a button that looks like a folder icon or says Add or Import. Click it.
13. A file browser window opens (like when you open any file on your computer).
14. Navigate to where your SMR-D files are stored.

• If you installed Xentry: Go to C:\ProgramData\Mercedes-Benz\Xentry\Kontexte\ODXProjekte\PKW_COMMON\dbr
• If you downloaded them separately: Go to wherever you saved them (e.g. Desktop or C:\Monaco_Database)

15. Find the file named OBC223.smr-d. Single-click it to highlight it.
16. Click Open.
17. Wait a few seconds. The file will load and you will see OBC223 appear in the list.
18. Repeat steps 12-16 but this time select BMSGEN5.smr-d (or SGBMS.smr-d).
19. Now you should see two items in the database list:

• OBC223
• BMS_GEN5

20. Click Save (floppy disk icon at the top) or press Ctrl+S.

PART 3: SET UP THE INTERFACE (VCX SCANNER)

1. On the left side, click the tab that says Interface or VCI Configuration.
2. Right-click in the white area and select New...
3. A window appears with several dropdown menus.
4. Name: Type VCX
5. D-PDU API: Click the dropdown and select whatever option is available (usually Softing or MVCI).
6. Protocol: Select DoIP (Diagnostics over IP). If DoIP is not listed, select ISO 15765 (CAN).
7. Hardware / Device: Select VXDIAG or J2534 PassThru from the dropdown.
8. Click OK.
9. Now go back to the Project tab on the left.
10. Click on your project EQECRASHFIX.
11. Look for a dropdown or field that says Interface or VCI.
12. Change it from Simulation to VCX (the interface you just created).
13. Click Save.

PART 4: CREATE THE WORKSPACE

1. On the left side, click the tab that says Workspace.
2. Right-click in the white area and select New...
3. Name: Type CRASH_RESET
4. Project: Select EQECRASHFIX from the dropdown.
5. You will see a list of available ECUs (OBC223 and BMS_GEN5).
6. Check the box next to OBC223.
7. Check the box next to BMS_GEN5.
8. Click Finish or OK.
9. Click Save.
10. Close the System Configuration window completely.

PART 5: OPEN THE MAIN DTS MONACO APPLICATION

1. Go to your Desktop or Start Menu.
2. Find the icon that says DTS Monaco (NOT System Configuration, the other one).
3. Double-click to open it.
4. You will see a window. At the top there is a menu bar: File, Edit, View, etc.
5. Click File at the top left.
6. Click Open Workspace...
7. A list appears showing your workspaces.
8. Select CRASH_RESET.
9. Click Open or OK.
10. The workspace loads. You will see tabs at the top for each ECU:

• OBC223
• BMS_GEN5

PART 6: CONNECT TO THE CAR

1. Make sure your VCX is plugged into the car and the laptop.
2. Make sure the car ignition is ON.
3. In DTS Monaco, look at the top toolbar for a button that says Start or looks like a green play button ▶.
4. Click it.
5. Wait 5-10 seconds.
6. Look at the bottom of the screen (status bar).

• Green = Connected successfully. Proceed.
• Red = Connection failed. Check cables, check VX Manager is running, check interface settings.

PART 7: WORK ON THE CHARGER (OBC223)

Step A: Read the Current Fault Codes

1. Click the OBC223 tab at the top.
2. Below the tab, you will see sub-tabs or a panel on the left. Look for one that says:

• DTC
• or Fault Memory
• or Diagnostic Trouble Codes

3. Click on it.
4. You will see a button that says Read or Read All DTCs or has a magnifying glass icon.
5. Click it.
6. Wait a few seconds.
7. A list of codes will appear. You should see P2E3262 or similar crash-related code.
8. This confirms you are connected and talking to the right module.

Step B: Unlock Security Access

1. Now look for a sub-tab that says:

• Diagnostic Services
• or Services
• or Raw Services

2. Click on it.
3. You will see a list of services on the left side. Scroll down and find:

• Security Access
• or SecurityAccess_Entriegelung
• or Service 27

4. Click on it to highlight it.
5. On the right side, you will see a dropdown or field that says Access Level or Sub-Function.
6. Select 37 (or 0x25 in hex, or whatever level is available for this ECU).
7. Click the button that says Transmit or Send or Execute (usually a blue arrow icon ➤).
8. WATCH THE LOG AT THE BOTTOM OF THE SCREEN:

• "Positive Response" or green text = SUCCESS. The ECU is now unlосkеd. Go to Step C.
• "Negative Response 35" or red text = FAILED. Security denied. Your ZenZefi certificate is not working or not installed. YOU CANNOT PROCEED WITHOUT THIS. You will need to find a working Seed/Key calculator or get remote help.
• "Negative Response 22" = Conditions not correct. Turn ignition OFF, wait 10 seconds, turn ON again, reconnect, and retry.

Step C: Run the Crash Reset Routine

1. In the same Diagnostic Services or Services panel, scroll through the list and find:

• Routine Control
• or RoutineControl
• or Service 31

2. Click on it. A sub-list of available routines will expand.
3. Look through the list for any of these names:

• RoutineCrashReset
• RoutineClearCrash_Data
• RoutineEnableHV_System
• RoutineUnlockComponent
• Crash_Deactivation

4. Click on the correct routine to highlight it.
5. On the right side, you will see a dropdown that says Sub-Function or Control Type.
6. Select Start Routine (value 01).
7. Click Transmit or Send.
8. WATCH THE LOG:

• "Positive Response" starting with 71 = SUCCESS. The crash flag has been cleared.
• "Negative Response" = Either you are not unlосkеd (go back to Step B) or the routine name is wrong (try a different one from the list).

Step D: Reset the ECU

1. In the same services list, find:

• ECU Reset
• or ECUReset
• or Service 11

2. Click on it.
3. On the right side, select Hard Reset (value 01).
4. Click Transmit.
5. The connection will drop for a moment. This is normal.
6. Wait 10 full seconds.
7. Click the Start / Connect button again to reconnect.

Step E: Clear the Fault Codes

1. Go back to the DTC or Fault Memory sub-tab.
2. Click Read All DTCs.
3. Now click the button that says Clear or Delete or looks like a trash can icon 🗑.
4. WATCH THE LOG:

• "Positive Response" starting with 54 = CODES CLEARED.
• Click Read again to confirm the list is now empty.

PART 8: REPEAT FOR THE BATTERY (BMS_GEN5)

1. Click the BMS_GEN5 tab at the top.
2. Repeat Steps A through E exactly the same way.
3. The crash code on this module is P1C8000.
4. Same process: Unlock → Crash Reset Routine → Hard Reset → Clear DTCs.

PART 9: FINAL TEST

1. Turn the car ignition OFF.
2. Unplug the VCX from the OBD port.
3. Wait 60 seconds (let all modules fully shut down).
4. Turn the car ignition ON again.
5. Check the dashboard for any remaining warning lights.
6. Plug in your charging cable.
7. If the charger accepts the cable and begins charging, you are done.

TROUBLESHOOTING

• Codes come back immediately after clearing = You did not run the Crash Reset Routine (Step C). Go back and do it.
• Security Access fails every time = This is the #1 blocker. Without unlocking the ECU, nothing else works. Search this forum for "ZenZefi Monaco 8.16" or "Seed Key Calculator Mercedes" for solutions.
• Cannot find RoutineCrashReset in the list = The routine might have a different name in your SMR-D file version. Look for anything containing the words "crash", "unlock", "HV", "enable", or "deactivation".
• Car still will not charge after clearing everything = There may be physical crash damage to the HV wiring or connectors. The software reset only fixes the electronic lock, not broken hardware.

The files aren’t where you said there located any other place they would be nothing is in the folder you were talking about just a lot folders with nothing in them do I have to run xentry first ?

aj310 said:

The files aren’t where you said there located any other place they would be nothing is in the folder...

Click to expand...

Yes, that is most likely your problem. Xentry needs to be run at least once to unpack and generate the SMR-D database files.

Here is what is happening:

When you install Xentry, it does not automatically extract all the diagnostic files. The folders exist but they are empty until Xentry runs its first-time setup and unpacks everything.

What To Do:

Step 1: Run Xentry Once
1. Open Xentry Diagnostic Software (not Monaco).
2. Let it fully load. It will take a long time the first time (10-30 minutes).
3. It may ask you to do an update or initialization. Let it finish.
4. You do not need to connect to a car. Just let it open and complete its startup.
5. Once you see the main Xentry screen (where it asks you to select a vehicle), you can close it.

Step 2: Check the Folders Again
1. Open File Explorer.
2. Make sure Hidden Items is checked (click View at the top and check the box).
3. Navigate to:
4. You should now see folders like PKWCOMMON, PKW295, etc.
5. Go into PKW_COMMON\dbr and look for your SMR-D files.

Step 3: If Still Empty, Search the Whole Drive
1. Open File Explorer.
2. Click on Local Disk (C.
3. In the search bar type:
4. Let it search the entire drive. This could take 5-10 minutes.
5. If it finds hundreds of .smr-d files, you are good. Note the location and use those files in Monaco.
6. If it finds ZERO results, then your Xentry installation is broken or incomplete and you need to reinstall it.

If You Do Not Have Xentry Installed At All:
Then you have two choices:

1. Install Xentry - Search this forum for "Xentry 2024 installation guide". Once installed and run once, all your SMR-D files will be there.
2. Download just the SMR-D database - Search this forum for "SMR-D database download" or "Monaco database pack". Members have shared standalone database archives that you can use without installing Xentry.

Without these files, DTS Monaco is useless. It is like having a TV remote with no batteries. The SMR-D files are the batteries.

none one the whole I downloaded xentry with a ssd would the programs be on that

aj310 said:

none one the whole I downloaded xentry with a ssd would the programs be on that

Click to expand...

Yes, that is exactly where they are. If you installed Xentry on a separate SSD, all the database files are on that SSD, not on your C: drive.

Here is what to do:

Step 1: Find the SSD Drive Letter
1. Open File Explorer.
2. Look on the left side under "This PC".
3. You will see your drives listed. Your SSD will be a different letter like D: or E: or F:.
4. Note the letter.

Step 2: Search the SSD
1. Click on that SSD drive (for example D.
2. In the search bar at the top right, type:
3. Let it search. This will take a few minutes.
4. If it finds hundreds of files, that is your database. Note the folder path.

Step 3: Manual Navigation on the SSD
If the search is slow, try navigating manually. Look for these paths on your SSD:


or


or


Replace D: with whatever letter your SSD is.

Step 4: Once You Find Them
1. Find OBC223.smr-d and BMS_GEN5.smr-d.
2. Copy both files to your Desktop on your main drive.
3. Now when you set up the project in DTS Monaco System Configuration, point the import to your Desktop where you copied them.

Important:
Some Xentry SSD installations are designed to boot from the SSD as a standalone system. If that is the case, the folder structure might look completely different. Look for any folder called ODXProjekte or dbr anywhere on that SSD. That is where the SMR-D files live.

Is that prolly why my crash data ain’t clear ?

aj310 said:

Is that prolly why my crash data ain’t clear ?

Click to expand...

Yes, 100% that is why.

Without the SMR-D files, DTS Monaco has absolutely nothing to work with. It is like trying to make a phone call with no SIM card. The software opens but it cannot:

• Talk to the ECUs
• Know what routines are available
• Know what security access levels exist
• Know what fault codes mean
• Send any commands to the car

So even if you were clicking buttons and it looked like something was happening, Monaco was running in simulation mode the whole time. It was not actually communicating with your car at all.

Here is your fix:

1. Plug in that Xentry SSD.
2. Find the SMR-D files on it.
3. Copy them to your main laptop.
4. Set up the project in Monaco properly using those real files.
5. Make sure your interface is set to VCX and NOT simulation.
6. Then follow the step-by-step guide I gave you earlier.

Once Monaco has the correct SMR-D files loaded and is actually talking to the car through the VCX, the crash reset routine will actually execute on the real ECU and clear the crash flag for real.

Everything you did before was basically Monaco talking to itself. Nothing was sent to the car.

So I could of probably cleared my codes from xentry

aj310 said:

So I could of probably cleared my codes from xentry

Click to expand...

Yes, you could have cleared the basic fault codes from Xentry, but there is a big difference:

What Xentry CAN do:

• Read fault codes
• Clear fault codes
• Basic diagnostics
• Guided tests

What Xentry CANNOT do:

• Clear the crash flag itself
• Run the Crash Reset Routine
• Unlock Security Access Level 37

Here is the problem:

Even if you clear the codes in Xentry, the crash flag is still stored deep inside the ECU. The codes will come right back within seconds because the flag is still set. It is like wiping a warning light off your dashboard but the actual problem is still there telling the light to come back on.

Think of it like this:

• Fault codes = the symptom (the warning light)
• Crash flag = the actual cause (the lock inside the ECU)

Xentry can wipe the symptom but cannot remove the cause. Only DTS Monaco (or a dealer-level tool with engineering access) can run the specific routine that resets the crash flag inside the OBC and BMS.

So your game plan is:

1. Plug in your Xentry SSD.
2. Find the SMR-D files.
3. Copy them to your laptop.
4. Load them into DTS Monaco.
5. Connect to the car for real through the VCX.
6. Unlock security access.
7. Run the crash reset routine.
8. THEN clear the codes.

That is the only way the codes stay gone and the charger starts working again.

will xentry know I have my ssd plugged inn

aj310 said:

will xentry know I have my ssd plugged inn

Click to expand...

It depends on how your Xentry SSD was set up. There are two types:

Type 1: Bootable Xentry SSD
This is the most common type people download. It is designed to boot your whole computer from the SSD like a separate operating system.

How to use it:
1. Plug the SSD into your laptop.
2. Turn OFF your laptop completely.
3. Turn it back ON.
4. Immediately start pressing F12 or F2 or ESC (depends on your laptop brand) to open the Boot Menu.
5. Select the SSD from the boot list.
6. Your laptop will boot into a completely separate Windows installation with Xentry already set up and ready to go.
7. Xentry will open and everything is pre-configured.

If this is your type, you cannot just plug it in while your normal Windows is running and expect it to work. It is a whole separate system.

Type 2: Installed Xentry on a Regular SSD
This means someone installed Xentry like a normal program but put it on a second drive. In this case you can just plug it in and access the files normally through File Explorer.

How to Tell Which One You Have:
1. Plug the SSD into your laptop while Windows is running.
2. Open File Explorer.
3. Click on the SSD drive.
4. If you see normal folders like Program Files, ProgramData, Windows, Users = It is a bootable SSD. You need to boot from it.
5. If you see Mercedes-Benz or Xentry folders directly = It is a regular installation and you can just grab the files.

Most Likely:
You probably have a bootable SSD. So your best move is:

1. Boot from the SSD.
2. Open Xentry to make sure it works.
3. Then find the SMR-D files on that system.
4. Copy them to a USB stick.
5. Reboot back into your normal Windows.
6. Paste the files onto your main laptop.
7. Load them into DTS Monaco.

I have a lot of see how do I know which one is for my car

aj310 said:

I have a lot of see how do I know which one is for my car

Click to expand...

For your EQE (W295), you need to look for specific file names. Here is how to find the right ones:

The Two Files You Need:

• OBC223 - This is your On-Board Charger
• SGBMS or BMS_GEN5 - This is your Battery Management System

How To Find Them:

Step 1: Search Instead of Browsing
1. Open File Explorer.
2. Navigate to the SSD drive.
3. In the search bar type: OBC223
4. Wait for it to find it.
5. When it appears, right-click the file and click Copy.
6. Paste it to your Desktop.

Step 2: Search for the Second File
1. In the search bar clear the previous search.
2. Type: SGBMS
3. If nothing comes up, try: BMS_GEN5
4. If still nothing, try: BMS
5. You might see several BMS files. Look for the one that says GEN5 or has the largest file size. That is the newest one for your EQE.
6. Copy it to your Desktop.

How To Know Which Files Are For Your Car:

Mercedes names their SMR-D files by ECU name, not by car model. So you do not look for "W295" or "EQE" in the file name. Instead you need to know which ECUs your car has.

Your EQE crash-related ECUs are:

• OBC223 = On-Board Charger (the one blocking your charging)
• SGBMS = Battery Management System (has crash flag too)
• ACSM = Airbag module (this stores the main crash event)
• HVSG = High Voltage Safety Module

I would grab all four of those while you are at it. Search for each name one at a time and copy them all to your Desktop. That way you have everything you might need and you do not have to go back to the SSD again.

the files where you told me to go has Dts project xprj files , and also my hv battery is completely 0 and my 12v just died if I charge my 12v will the car ignition start again for me to code

aj310 said:

the files where you told me to go has Dts project xprj files , and also my hv battery is completely ...

Click to expand...

Let me answer both questions:

The XPRJ Files:
Those are Xentry project files, not the SMR-D files Monaco needs. They are in the wrong folder. The SMR-D files are somewhere else on that SSD. Do a full drive search:

1. Click on the SSD drive letter.
2. In the search bar type: *.smr-d
3. Let it search the entire SSD. Be patient, it could take 10-15 minutes.
4. If it finds hundreds of .smr-d files, that is your database.
5. If it finds ZERO, then your Xentry SSD does not have the extracted database and you need to boot from the SSD and run Xentry first to unpack them.

Now The Big Problem - Your Batteries:

This is a serious issue. Your HV battery is at 0% and your 12V is dead. Here is the reality:

You CANNOT code with a dead 12V battery. The car needs the 12V to power all the ECUs and the OBD port. No 12V = no communication = Monaco cannot talk to anything.

But here is the dangerous part:

Your HV battery is at 0% because the crash flag is preventing the charger from working. And you cannot clear the crash flag without the 12V being alive. So you are stuck in a loop.

Here Is Your Way Out:

1. Get a 12V battery charger or jump box.
2. Connect it to your 12V battery under the hood.
3. Do NOT try to start the car. Just turn ignition to ON position.
4. This will power up all the ECUs.
5. Connect your VCX to the OBD port.
6. Now do the crash reset in Monaco.
7. Keep the 12V charger connected the entire time you are working. Do not disconnect it.

Important: A regular jump box might not hold long enough. I would recommend a proper 12V battery charger plugged into a wall outlet set to maintenance mode. You need stable 12V power for at least 30-60 minutes while you work through the crash reset process.

Once the crash flag is cleared and you plug in the AC charger, the OBC will start charging the HV battery and the HV battery will start charging the 12V automatically. Everything comes back to life once that crash flag is gone.