Bosch MG1CP003

New AT Protocol!

Dear Users,

The absolute pinnacle of German luxury and performance engineering has just been unlocked! We are thrilled to announce that the state-of-the-art Bosch MG1CP003 (MRG1V8) ECU is now officially supported on your AutoTuner Tool.

This premium protocol expands beyond Affalterbach's track weapons to encompass the absolute zenith of luxury. Alongside the high-performance Mercedes-AMG lineup, this release introduces support for the ultra-exclusive Maybach SL 680 and the refined Mercedes S 580.

Whether you are optimizing the standard 4.0L Twin-Turbo V8, the hardcore AMG variants (55, 63, 63 Pro), or the revolutionary 800+ hp plug-in hybrid 63 S E-Performance powertrains, you now hold the ultimate key to refining their colossal power delivery.

🔒 Advanced Workflow (Mail-in ➡️ Bench):

Mail-in Unlock: The ECU must first be sent to our headquarters for a secure, high-precision hardware unlock by our engineering team.

Bench: Once returned to your shop, software restrictions are removed. You gain unrestricted Bench access to read and write calibrations directly with total peace of mind—no ECU opening required.

Premium Vehicles Covered (4.0T V8 Twin-Turbo & E-Performance Engines):

• Maybach: SL 680 (2025+)
• Mercedes-AMG GT & GT 4-door: 55 AMG, 63 AMG, 63 AMG Pro, 63 AMG S E-Performance
• Mercedes & Mercedes-AMG S-Class: S 580, S 63 AMG S E-Performance
• Mercedes-AMG SL: 55 AMG & 63 AMG

Update your software today and establish your workshop as the premier destination for high-end Mercedes and Maybach V8 tuning!

The AT Team

👉 Remote Unlock for Mercedes MDG1

👉 Reusable ECU shipping case

Key Features

• Type: Engine Control Unit (ECU) ⚙️
• Mode: BENCH NR 🔌
• MCU: TC389 🖥️
• Read time: 2min ⏱️
• Write time: 1min ⏱️
• Checksums correction ✅
• Backup creation 🔄
• Mail-in unlock needed 📦

Compatibility List*

🚗 Maybach Model: SL (2025)
🔧 Maybach Engine: 680
🚗 Mercedes Models: AMG GT (2023) / AMG GT - 4 door (2018) / S (2021) / SL (2021)
🔧 Mercedes Engines: 55 AMG (4.0T V8) / 63 AMG (4.0T V8) / 63 AMG Pro (4.0T V8) / 63 AMG S E-performance / 580

*The list may evolve over time.