Axxess
Axxess AXTC-MB3 Data Interface with SWC for Select Mercedes Vehicles
Axxess AXTC-MB3 Data Interface with SWC for Select Mercedes Vehicles
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Axxess AXTC-MB3 is a vehicle-specific Total Control data interface with built-in steering wheel control retention for select 2016-2021 Mercedes vehicles. It is used when replacing the factory radio with an aftermarket radio while retaining supported vehicle functions that may otherwise be lost.
At a Glance
- Built-in steering wheel control interface with Axxess auto-detect technology
- Provides accessory power where supported by the vehicle application
- Provides NAV outputs for parking brake, reverse, and speed sense
- Allows dual assignment of steering wheel control buttons
- Designed to work with major aftermarket radio brands
- Micro-B USB updatable for supported firmware updates
- Designed for non-amplified models
- Provides 12-volt illumination output
System / Wiring Notes
- Factory feature retention varies by vehicle trim, factory radio, factory amplifier, and original equipment
- Retained steering wheel controls require proper radio-brand selection and interface programming when applicable
- Additional dash kit, antenna adapter, camera adapter, USB adapter, or amplifier integration parts may be required for a complete radio installation
- Verify exact vehicle year, model, trim, factory audio package, and RPO/system codes before purchase
- Designed for non-amplified models only.
Exact Vehicle Compatibility
Find your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering.
| Make | Model | Years | Factory Equipment / Qualifier | Application |
|---|---|---|---|---|
| Mercedes | C Class | 2016-2021 | — | Data interface with built-in steering-wheel controls |
| Mercedes | C-Class | 2016-2021 | Non-amplified factory audio system | Radio-replacement data interface for non-amplified system |
| Mercedes | GL Class | 2016-2021 | — | Data interface with built-in steering-wheel controls |
| Mercedes | GL-Class | 2016-2021 | Non-amplified factory audio system | Radio-replacement data interface for non-amplified system |
| Mercedes | ML Class | 2016-2021 | — | Data interface with built-in steering-wheel controls |
| Mercedes | ML-Class | 2016-2021 | Non-amplified factory audio system | Radio-replacement data interface for non-amplified system |
Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.
Installation Notes
- Confirm exact vehicle compatibility and factory audio system before installation
- Read the current Axxess instructions before wiring or programming the interface
- Professional installation is recommended for proper radio integration, steering wheel control setup, and retained-feature operation
What’s in the Box
- Axxess AXTC-MB3 data interface and vehicle-specific harnessing
- Installation components as supplied by Axxess
Technical Specifications
- Brand: Axxess
- Model: AXTC-MB3
- Product Type: Radio replacement data interface with steering wheel control retention
- Application: select 2016-2021 Mercedes vehicles
- Compatibility Type: Vehicle-specific
- Audio System Support: Non-amplified models
- Update Method: Micro-B USB
Identifiers & Packaging
- MPN: AXTC-MB3
- UPC: 086429434121
- Sold As: Each
- Included Components: Data interface and vehicle-specific harnessing
Why Buy From MCOR Automotive
- Authorized retailer for the brands we sell
- Specialists in vehicle audio integration, radio replacement parts, and installation accessories
- 22+ years of professional automotive electronics experience
- Expert support for compatibility verification and proper setup
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