The Universal CAN Filter for MB (9406) is a high-precision digital module designed to filter, block, or modify CAN-BUS signals in Mercedes-Benz vehicles equipped with FBS3 and FBS4 systems.

This module is primarily used by technicians for advanced vehicle diagnostics, synchronization correction, and mileage-related signal filtering on instrument clusters, EZS/EIS, and related control units.

With plug-in harnesses and stable architecture, this CAN Filter delivers exceptional reliability for professionals working on Mercedes electronic systems.

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🔧 Features

• System Compatibility: Works with MB FBS3 and FBS4 platforms

• Use Cases: CAN signal filtering, sync correction, cluster/EZS communication control

• Connection: High-quality multi-wire harness included

• Stability: Built-in noise-protected microcontroller ensures stable operation

• Applications: Dashboard, EZS/EIS, Gearbox, ECU/TCU CAN line filtering

• Condition: Brand New

• Weight: Lightweight module for easy installation

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🚗 Vehicle Compatibility

FBS3 Supported Models

• C-Class – W204

• E-Class – W207, W212

• GLK – X204

• CLS – W218

• SLS – W197

• CLA – W117

• ML – W166

• GL – X166

• SLK – R172

• A-Class – W176

• SL – R231

• B-Class – W246

• G-Class – W463 (up to 06/2012)

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FBS4 Supported Models

• S-Class – W222

• C-Class – W205

• S-Class Coupe – W217

• GLC – W253

• E-Class – W213

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🛠️ System Overview

The Universal CAN Filter is used to:

• Remove or modify specific CAN messages

• Prevent synchronization of modules during diagnostics

• Manage odometer-related data exchange

• Block communication between selected units (EZS, ECU, ABS, Cluster, ETC, etc.)

It is intended for authorized workshop use only and supports advanced repair operations such as:

• Mileage correction

• Module replacement

• Preventing fault storage

• Avoiding automatic synchronization

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🧩 Installation Note

⚠️ Professional installation is required.
Incorrect wiring may damage control units. Always verify CAN-H / CAN-L lines and follow model-specific pinout diagrams.