# For OEM Mercedes-Benz G-Class Blind Spot Assist Radar Control Module
## ? Technical Specifications
* **Part Number:** A4639009701 (Also matches: 4639009701)
* **Technology:** Blind Spot Assist (BSA) Radar Sensor / Control Unit
* **Placement on Vehicle:** Rear Bumper, Left or Right Side (Interchangeable)
* **Fitment Type:** Direct Replacement (Requires Diagnostic Programming)
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## ? Vehicle Compatibility & Fitment List
This blind spot radar module is a 100% direct fit for the iconic **Mercedes-Benz G-Class (W463 Facelift)** models [1] spanning the following years:
* **Mercedes-Benz G550 — 2013, 2014, 2015, 2016, 2017, 2018**
* **Mercedes-Benz G63 AMG — 2013, 2014, 2015, 2016, 2017, 2018**
* **Mercedes-Benz G65 AMG — 2015, 2016, 2017, 2018**
* **Mercedes-Benz G350d / G500 (European Models) — 2013 to 2018**
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## ? Interchangeable / Cross-Reference Part Numbers
This unit perfectly cross-references and replaces the following Mercedes-Benz part numbers:
* A4639009701 / 4639009701
* A4639006000 / 4639006000
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## ⚠️ MANDATORY PROGRAMMING NOTICE (NOT PLUG & PLAY)
* **SCN Coding Required:** This is a sophisticated safety radar module. It is **NOT** plug-and-play.
* **Installation Process:** After physical installation into the rear bumper, this module **MUST** be flash-programmed and SCN coded online via official **Mercedes-Benz XENTRY / Star Diagnosis** by an authorized dealer or independent Mercedes specialist workshop.
* *Please ensure your mechanic has the correct diagnostic equipment BEFORE purchasing. We are not liable for installation failures caused by improper coding.*
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