What is Xentry Passthru?

The official Mercedes-Benz diagnostic software — dealer-level access without dealer hardware

Xentry Passthru is the genuine Mercedes-Benz diagnostic and ECU programming software used by authorised dealers worldwide. Using the SAE J2534 Passthru standard, it works with your standard OBD2 interface — giving you full dealer-level capability without the expensive Mercedes Star C5 or C6 hardware.

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What is Passthru? Mercedes Xentry Passthru uses the SAE J2534 standard, which means it works with most common aftermarket OBD2 interfaces such as MongoosePro or DrewTech — instead of requiring the official Mercedes Star C5/C6 device that costs thousands of euros. Same software, same capability, fraction of the hardware cost.

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Full System Diagnostics

Read and clear fault codes from every Mercedes-Benz module — engine, gearbox, ABS, airbag, suspension, body control, and more. Deep scan exactly like an authorised dealer.

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ECU Programming & SCN Coding

Perform SCN coding, variant coding, and ECU software updates directly over your OBD2 interface. Activate hidden features and program replacement control units.

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Live Data & Actuator Tests

Monitor real-time sensor data, test actuators and components directly through the software, and perform guided troubleshooting just like Mercedes workshop technicians.

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Key & EIS Programming

Program new keys and smart keys, work with the Electronic Ignition Switch (EIS), and perform anti-theft system procedures safely and accurately.

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Wide Model Coverage

Supports all Mercedes-Benz passenger cars, vans (Sprinter, Vito, V-Class), and AMG models. Covers model years from 1996 onwards through CAN-bus and OBD protocols.

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Service Resets & Adaptations

Perform service interval resets, DPF regenerations, injector coding, throttle body adaptations, and all maintenance procedures requiring factory-level access.

Hardware Compatibility

Works with standard J2534 interfaces — no Star hardware needed

Xentry Passthru runs on any Windows PC and connects via your existing OBD2 J2534 pass-through device. No expensive Mercedes Star C5 or C6 hardware required.

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Windows PC

Windows 10 / 11 (64-bit)

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MongoosePro MFC

Recommended interface — best compatibility

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DrewTech Mongoose

Fully supported J2534 interface

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Bosch VCI J2534

Compatible interface

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Mercedes-Benz Cars

All models — 1996 onwards

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Mercedes Vans

Sprinter, Vito, V-Class fully supported

⚠️ Not sure if your interface is compatible? Contact us before buying — we'll confirm instantly.

Everything Included

What you get with your purchase

One payment. Instant access. Everything below is included — no subscriptions, no hidden fees.

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Xentry Passthru full software — complete version, ready to install
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Instant download link sent to your email and account immediately after payment
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Step-by-step installation video — clear walkthrough from download to first launch
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Written setup guide with screenshots
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Free remote installation via AnyDesk — we connect to your PC and install it for you if needed, at no extra cost
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Fast personal support — real replies from a real person, not a chatbot
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Compatible hardware list — know exactly which J2534 devices work best
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Lifetime access to your purchased version

How It Works

From purchase to diagnosing your Mercedes — in minutes

Here's exactly what happens after you complete your order:

Place your order

Complete your secure payment in a few clicks. All major payment methods accepted.

Receive instant access

Your download link arrives by email immediately and is also visible in your account on our website. No waiting.

Watch the installation video

Follow our step-by-step video — every click from download to first launch of Xentry Passthru is covered.

Stuck? We install it for you — free

Contact us, we connect via AnyDesk, and install Xentry Passthru on your PC remotely at no charge. No technical knowledge needed on your side.

Start diagnosing your Mercedes like a dealer

Connect your J2534 interface to the OBD2 port, launch Xentry Passthru, and you have full dealer-level access to every system in your Mercedes-Benz.

Why customers trust us

Support that's actually there when you need it

We don't disappear after payment. Every customer gets real, hands-on help — including free remote installation via AnyDesk.

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Free Remote Installation via AnyDesk

Can't get Xentry Passthru installed? We connect to your PC and install everything for you — completely free. You don't need to be technical at all.

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Installation Video Guide

A dedicated video walks you through every installation step. Watch, pause, follow along — most customers are up and running in under 20 minutes.

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Fast Personal Replies

You reach a real person when you contact us — not a bot or a ticket queue. We reply fast and stay with you until everything works perfectly.

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Instant Digital Delivery

Payment confirmed = download link sent immediately. Straight to your email and into your account. No delays, no waiting for business hours.

Customer Reviews

What our customers say

Real feedback from real buyers.

★★★★★

"Bought it on a Sunday evening, had it running within 30 minutes. The video guide is excellent. Did SCN coding on a replacement module myself for the first time — saved €350 at the dealer."

Marcus K.

Independent MB workshop, Germany

★★★★★

"I'm not very technical and was worried about installing it myself. They connected via AnyDesk and had everything set up in 20 minutes. Incredible service — can't recommend enough."

James P.

Mercedes enthusiast, UK

★★★★★

"Finally can do SCN coding at home without going to the dealer. Saves me hundreds every time. Support replied within minutes and walked me through my first coding session."

Ahmed R.

Mobile mechanic, France

Frequently Asked Questions

Common questions answered

Everything you need to know before buying Xentry Passthru.

What is Xentry Passthru for Mercedes-Benz?

Xentry Passthru is the official Mercedes-Benz diagnostic and ECU programming software that uses the SAE J2534 standard, allowing it to work with affordable aftermarket OBD2 interfaces instead of the expensive Mercedes Star C5 or C6 hardware.

What is the difference between Xentry Passthru and Xentry DAS?

Xentry Passthru uses the SAE J2534 standard and works with affordable aftermarket OBD2 interfaces. Xentry DAS requires the official Mercedes Star C5 or C6 hardware costing thousands of euros. Both provide the same diagnostic and programming capability.

Which J2534 OBD2 interface do I need?

We recommend the MongoosePro MFC for best compatibility. DrewTech Mongoose and Bosch VCI J2534 also work well. Not sure about your device? Contact us before buying and we'll confirm compatibility instantly.

Can Xentry Passthru do SCN coding?

Yes. Xentry Passthru supports full SCN coding, variant coding, and ECU software updates via the standard J2534 interface — provided your interface supports the required protocols such as CAN and K-Line.

What Mercedes-Benz models are supported?

Xentry Passthru supports all Mercedes-Benz passenger cars (A, B, C, E, S, G, GLA, GLC, GLE, SL, AMG), Sprinter, Vito, and V-Class vans, covering model years from 1996 onwards.

How quickly will I receive the software after payment?

Delivery is instant. As soon as your payment is confirmed, the download link is sent to your email and appears in your account on our website. No waiting, no manual processing required.

What if I cannot install Xentry Passthru myself?

We offer free remote installation via AnyDesk. Contact us after purchase, we connect to your computer, and install Xentry Passthru for you. Most installs are completed in 20–30 minutes — completely free for all customers.

What Windows version do I need?

Xentry Passthru runs on Windows 10 and Windows 11 (64-bit). A minimum of 8GB RAM and at least 60GB of free disk space is recommended for best performance.

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