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LAUNCH MCU3 GIII Adapter – Advanced Mercedes A5 All-Key-Lost Programmer | X431 IMMO Elite & X-PROG3 Compatible | Full ECU/TCU Read & Write Support

SKU : MCU3 GIII Adapter

Category : Programming Tools

AED 550.00

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Product Description

The LAUNCH Adapter MCU3 GIII is a cutting-edge key programming and ECU/TCU reading tool, specially designed for Mercedes-Benz A5 platform vehicles. Fully compatible with X431 IMMO Elite and X-PROG3, this advanced adapter is your go-to solution for all key lost scenarios, ECU/TCU data reading and writing, and secure automotive diagnostics.

Engineered for professional locksmiths and auto technicians, the MCU3 GIII Adapter supports bench, boot, and OBD modes, enabling comprehensive control over Mercedes-Benz modules. Whether you're performing immobilizer programming, key learning, or in-depth ECU operations, this adapter ensures seamless, fast, and reliable performance every time.

Key Features:

  • Supports All Keys Lost programming for Mercedes-Benz A5 vehicles

  • Compatible with LAUNCH X431 IMMO Elite and X-PROG3 tools

  • Reads and writes ECU & TCU data with precision

  • Enables advanced key programming, VIN writing, and module adaptation

  • Supports boot/bench mode for enhanced flexibility

  • Built with high-quality components for durability and stability

An essential tool for modern automotive workshops handling high-security vehicles like Mercedes, this adapter boosts your programming capability and saves time with its intelligent workflow

LAUNCH X431 MCU3 Adapter for LAUNCH X431 IMMO Elite PRO X-PROG3 for Mercedes Benz All Keys Lost and ECU TCU Reading

To program all keys lost for Mercedes with X431 V, X431 V+, Pro5, Pros, Pro3S, X431 PAD V, PAD VII and X-PROG3 GIII, you will need to connect the MCU3 adapter to X-PROG3 correctly.

Adapter board code: 307140131

Applications and advantages of the new MCU3 adapter:
-For ADAS Advanced Driving Assist System
-For Audi VW MQB gearbox replacement
-For BMW continental msv90 engine ecu replacement and cloning
-For Peugeot Key Programming
-For Mercedes Benz transmission deleted and operating instructions vgs nag2 vgs2 nag2 and vgs3 nag2
-For Mercedes Benz w164 2009 Key Programming
-For Volkswagen Audi 5th generation engine reading engine data via direct connection and online programming and coding
-For BMW E chassis 8hp EGS deleted
-For BMW 8hp chassis F and G delete function
-Key programming cas4/cas4+ all keys lost and adding keys
-Programming cas1 cas2 cas3 cas3+ lost keys and add key
-CAS4 immobilizer module replacement
-Replacement for Volkswagen Audi engine and reading data med17 and edc17
-For Mercedes Benz med9.7 ecu deleted
-For Volkswagen Audi Replacement 4th Generation Instrument Replacement
-Engine replacement for Volkswagen Audi MED17.5.22
-Programming of lost keys and adding key for Pors-che Cayenne 2011 2017
-Cloning and virginization e39 ac delco
-Power shift cloning and virginization
-For Nissan ecu and Tcm conversion and virgin ecu programming and calibrations
-Special features for Ch-r-ysler and registration at autoauth FCA sgw
-Special features for GM and for Ford

When is it can be used?
1. Use the BENCH mode to clone the ECU module, when the 120 ohm resistor is connected as shown in Figure 1, or when the +12V power supply is connected to the IMMO programmer board; the IMMO programmer MCU3 adapter board (with its own power supply) can be used,as shown in Figure 2.

Figure 1:
Figuire 2:

2. With all keys lost for Mercedes-Benz, and the connection for key learning is shown in Figure 3 when operating on the platform.

Figuire 3:

  • You can join our professional training sessions at a very affordable cost. We offer expert-led courses conducted by highly skilled engineers, covering everything from ECU programming to diagnostic tools. Perfect for beginners and technicians looking to upgrade their skills!

    انضم إلى دوراتنا التدريبية الاحترافية بتكلفة معقولة جدًا. نقدم دورات تدريبية بإشراف خبراء، يقدمها مهندسون ذوو مهارات عالية، تغطي كل شيء من برمجة وحدات التحكم الإلكترونية إلى أدوات التشخيص. مثالية للمبتدئين والفنيين الراغبين بتطوير مهاراتهم!


    आप बहुत ही किफायती कीमत पर हमारे पेशेवर प्रशिक्षण सत्रों में शामिल हो सकते हैं। हम अत्यधिक कुशल इंजीनियरों द्वारा संचालित विशेषज्ञ-नेतृत्व वाले पाठ्यक्रम प्रदान करते हैं, जिसमें ECU प्रोग्रामिंग से लेकर डायग्नोस्टिक टूल तक सब कुछ शामिल है। शुरुआती और तकनीशियनों के लिए बिल्कुल सही जो अपने कौशल को उन्नत करना चाहते हैं!