Genuine VGS-FDCT/4NAG2/NAG3 Transmission Computer for Mercedes FBS4
The VGS-FDCT/4NAG2/NAG3 Transmission Computer is a premium remanufactured or brand-new replacement Transmission Control Unit (TCU/TCM) specifically designed for Mercedes-Benz vehicles equipped with the advanced FBS4 security gateway. Addressing common failures such as harsh shifting, limp mode, or complete communication loss, this module serves as a direct-fit solution. It is fully compatible with Mercedes FBS4 encryption, ensuring secure and seamless integration with the vehicle's immobilizer and central gateway system. Whether you are replacing a defective unit or performing a transmission swap, this computer guarantees the restoration of factory-level shifting performance and reliability.
Function
- Gear Shift Management: Precisely controls solenoids and actuators for smooth, automated gear shifts based on speed, load, and driving conditions.
- Torque Converter Regulation: Manages the torque converter lock-up clutch to optimize fuel efficiency and reduce heat generation.
- Hydraulic Pressure Control: Adjusts transmission fluid pressure to prevent clutch slippage and ensure longevity of internal components.
- FBS4 Security Integration: Fully synchronized with the Mercedes FBS4 anti-theft architecture, preventing unauthorized vehicle operation.
- Diagnostic & Adaptation Support: Allows for fault code reading, live data streaming, and transmission adaptation resets via Mercedes XENTRY/DAS diagnostic systems.
- Limp Mode Prevention: Resolves electronic failures that force the vehicle into 2nd gear limp mode.
Supported Car Models
For VGS-FDCT (7G-DCT Dual-Clutch Transmissions):
- Mercedes-Benz A-Class (W176)
- Mercedes-Benz B-Class (W246)
- Mercedes-Benz CLA-Class (C117)
- Mercedes-Benz GLA-Class (X156)
For 4NAG2 / NAG3 (722.9 7G-Tronic Automatic Transmissions):
- Mercedes-Benz C-Class (W204, W205)
- Mercedes-Benz E-Class (W212, W213)
- Mercedes-Benz S-Class (W221, W222)
- Mercedes-Benz GLK-Class (X204)
- Mercedes-Benz ML/GLE-Class (W166)
- Mercedes-Benz GL/GLS-Class (X166)
- Mercedes-Benz SLK/SLC-Class (R172)
Important Purchase Instructions & Product Details
⚠️ Mandatory Purchase Guidelines
- VIN Verification is Required: You must provide your Vehicle Identification Number (VIN) prior to shipment. We will verify compatibility to ensure a perfect fit for your vehicle. No items will be dispatched without VIN confirmation.
- Professional Programming Required: This unit is not plug-and-play. It must be programmed and initialized using a professional-grade diagnostic tool, such as the Mercedes Xentry system or an equivalent platform (e.g., Abrites). Please ensure you have access to the necessary equipment and technical capability before placing your order.
- International Shipping & Customs: All customs duties, import taxes, and clearance fees are the sole responsibility of the buyer. If you require a specific or customized commercial invoice for customs declaration, please notify us before the item is shipped.
📋 Product Specifications
- Part Numbers: A0002703500 / A000270350080 / A0009017100
- Condition: Brand New – 100% Genuine OEM Mercedes-Benz
- Compatibility: Fits a wide range of Mercedes-Benz models equipped with the 7-Speed 722.9 (7G-Tronic) Transmission featuring FBS4 security architecture.
🚀 Why Choose a Brand-New Unit?
- Extended Lifespan: Significantly outlasts used or refurbished alternatives, giving you peace of mind for years to come.
- Zero Hidden Defects: Delivers uncompromised, 100% OEM factory quality without the latent risks associated with salvaged parts.
- Superior Long-Term Reliability: All critical electronic components are completely fresh from the factory—avoid the temporary fixes and patched boards common in remanufactured units.
🛠️ Installation Guidelines
- Data Transfer: For optimal shifting performance, always transfer the adaptation data from your old unit to the new one.
- Adaptation Run: If the previous adaptation data is unavailable or unrecoverable, you must perform a complete highway adaptation run using the Xentry diagnostic system after installation.
- Professional Installation: We highly recommend that installation, coding, and programming be performed exclusively by a qualified Mercedes-Benz technician.
