Xentry Passthru Openport 2.0 -
Traditionally, Xentry expects to talk to a Mercedes-specific router (SDconnect). "Passthru" (Pass-Thru) is a different communication standard (SAE J2534). It allows generic third-party hardware to translate commands between Xentry and the car’s CAN bus.
Open the Xentry J2534 Selection tool (often built-in or provided via configuration patches). You must explicitly select the Tactrix Openport 2.0 driver as the primary J2534 device. This instructs Xentry to look for the Openport hardware rather than a standard Mercedes VCI multiplexer. Best Practices and Safety Measures
You can view real-time data streams from any sensor in the vehicle. This includes transmission oil temperature, wheel speed sensor data, individual engine cylinder misfire counters, smooth-running analysis, and battery state-of-charge. 3. Actuator Testing (Bi-Directional Control)
Modern Mercedes vehicles pull massive amounts of current when the ignition is on. Always connect a dedicated automotive battery maintainer (not a trickle charger) capable of supplying a steady 13.5V+ during diagnostic sessions. Xentry Passthru Openport 2.0
Xentry Passthru works seamlessly with newer Mercedes models that use modern OBD2 communication protocols. 4. Setting Up Xentry Passthru and Openport 2.0
Open Windows to verify that the computer recognizes the adapter under "Ports (COM & LPT)" or "Universal Serial Bus controllers" without any error triangles. Step 2: Install Xentry PassThru Software Run the Xentry PassThru installer executable.
: It supports basic coding and system adaptations, such as activating new retrofitted hardware or resetting service intervals. Traditionally, Xentry expects to talk to a Mercedes-specific
When purchasing a clone, be aware of potential issues. Some clones have a known OBD power supply bug where the device draws all power from the USB cable instead of the OBD port, leading to unreliability.
For the independent technician or serious hobbyist, there is a budget-friendly alternative that often gets overlooked: running in Passthru mode .
Windows 10 or Windows 11 (64-bit Professional version is highly recommended). Home versions often experience registry and permission issues during setup. Open the Xentry J2534 Selection tool (often built-in
Before touching Xentry, install the official Tactrix drivers. Once installed, plug the device into your USB port to ensure Windows recognizes it correctly. 2. Install Xentry Passthru
Do you already have a , or are you evaluating your hardware options?
Mastering Xentry Passthru with Openport 2.0: The Ultimate DIY Guide