# Download Guide for Xentry Diagnostic Software
Xentry Openshell remains the authoritative diagnostic solution for Mercedes cars and trucks. This guide covers installation procedures for current diagnostic packages.
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## Software Version Comparison https://xentrydownload.store/
### Legacy-Compatible System
– **SD Connect C4/C5/C6 Requirement**
– Vehicle Coverage: pre-Euro 7 systems
– **Key Features**:
– System parametrization
– Technical documentation access
### Xentry Passthru EU
– **Multi-Brand Tool Support**: Autel J2534
– Vehicle Coverage: smart/Mercedes commercial trucks
– **Restrictions**:
– Limited module access
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## Installation Needs
### Mandatory Specifications
| **Component** | **Openshell** | **Passthru** |
|—|—|—|
| OS | Windows 10 64-bit | Windows 10 64-bit |
| CPU | AMD Ryzen 7 PRO | Intel i5-1135G7 |
| RAM | 16GB DDR4 | 8GB DDR4 |
| Storage | 512GB NVMe SSD | 500GB HDD |
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## Software Acquisition Methods
### Mercedes-Benz Portals
1. **XENTRY Portal**:
– Requires dealership account [11][12]
– Download Links:
– DMS manuals [3]
– Java Web Start alternative [7]
2. **XENTRY Shop**:
– Purchase subscription packages [11]
– Obtain activation licenses
### Third-Party Solutions
– **OBD2Tech**:
– Modified OpenShell packages [1][9]
– XDOS 2023.03 with pre-cracked licenses [6][8]
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## Software Setup Steps
### SD Connect C4 Method
1. Configure firewall exceptions
2. Extract 23GB archive [1]
3. Run XDOS_Installer.bat
4. Set ProgramData permissions
5. Apply offline login patch [8]:
– Username: **xentry**
– Password: **123456**
### J2534 Setup
1. Install Diagnostic Framework [11]
2. Connect J2534 device
3. Generate activation request
4. Upload StartKey
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## Troubleshooting
### Connection Failures
– Reinstall OpenWebStart [7]
– Update interface drivers
### Certificate Errors
1. Disable Java security
2. Trust Daimler CAs
### Persistent Login
– Block MB servers in hosts file [8]
– Use Xentry Login Gadget with: