Steering wheel button control adapter for Mercedes ACV SWC 42A-1190-011-0

steering wheel adapter for Mercedes C-class (C204/S204/W204) (08/07->01/11, 03/11->10/15), E-class (A212/C212/S212/W212) (02/09->03/13), E-class (A207/C207/S212/W212) (04/13->03/17), Vito (W447) (10/14->02/19, 05/19->01/24) and VW Crafter I (2EC/2EK/2F) (07/11->11/16)
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Steering wheel button control adapter for Mercedes ACV SWC 42A-1190-011-0

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Steering Wheel Button Control Adapter for Mercedes 42A-1190-011-0

Maintain the original radio control functions from the steering wheel when replacing the factory radio with an aftermarket unit. Depending on the vehicle's equipment, the range of functions, and the software of the newly installed radio, some functions may be limited or replaced by others. Compare the displayed wiring connectors with the connectors in your vehicle and ensure they match both technically and visually. Check if any of the listed OEM radios were originally installed. Verify vehicle functionality, system settings, and proper steering wheel control (SWC) operation before final installation.

Designed for Automobiles

Mercedes C-class C204 S204 W204 2007 -> 2011 - original radio Audio 10/15/30/40. Vehicles with +12V constant power disconnection terminal 30 function.
Mercedes C-class C204 S204 W204 2011 -> 2015 - original radio Audio 10/15/30/40. Vehicles with +12V constant power disconnection terminal 30 function.
Mercedes E-class A212 C212 S212 W212 2009 -> 2013 - original radio Audio 10/15/30/40. Vehicles with +12V constant power disconnection terminal 30 function.
Mercedes E-class A207 C207 S212 W212 2013 -> 2017 - original radio Audio 10/15/30/40. Vehicles with +12V constant power disconnection terminal 30 function.
Mercedes Vito W447 2014 -> 2019 - original radio Audio 10/15. Volume control function only. Vehicles with +12V constant power disconnection terminal 30 function.
Mercedes Vito W447 2019 -> 2024 - original radio Audio 10/15. Volume control function only. Vehicles with +12V constant power disconnection terminal 30 function.

VW Crafter I 2EC 2EK 2F 2011 -> 2016 - original radio RCD 3002.

CAN Bus Information

Connectors and Power:

Connector: 40-pin Quadlock BMW (item: 42cx12).
Power: +12 V constant power (terminal 30, fuse) – free red wire.

Settings:

Check DIP switches on the aftermarket radio (HU).

Vehicle Compatibility:

Vehicles with +12V constant power disconnection terminal 30 function.
Mercedes Vito W447 vehicles with Audio 10/15 or Audio 30/40.
Mercedes Vito W447 vehicles with E-Call require an E-Call adapter (item: 1424-27-0).
Vehicles without radio preparation.

Diagnostic LED Indication:

Blue blinking: Searching for CAN Bus signal.
Blue steady: CAN Bus active.
Red steady: Active +12 V ignition power.

Important Additional Information

Designed for aftermarket radios by Sony, Kenwood, Panasonic, JVC, Pioneer, Blaupunkt, Clarion, Alpine, LG, Zenec, Becker.
To fully activate the adapter, an interconnecting cable specific to the radio brand must be ordered.

General Installation Guidelines

Pre-Installation Verification:

Check all control functions and vehicle settings with the original OEM head unit.
Disconnect the original radio (OEM HU) without power.
Check all interface connections to ensure they are properly connected – without power.

Connection and Connection Order:

Check interface settings and HW configuration – without power.
Check the HU connection cable configuration – without power.
Connect the cable to the HU according to the aftermarket device instructions.
Connect other wires according to the device instructions.
Connect the entire installation to the vehicle – connect the main power connection last.
Perform software configuration of the interface as per product description or manual instructions.
Configure the aftermarket HU (e.g., steering wheel control, camera, hands-free, antenna power).
Perform a functional test of the steering wheel control and communication with the vehicle.

Changing Interface and HU Cable Configuration:

Make all changes without power.
Repeat steps 5 to 8 listed above.

In Case of Interface or Vehicle System Malfunction:

Reinstall the original OEM HU.
Run the original unit.
Trigger CAN Bus system shutdown.
Check interface HW configuration.
After CAN Bus shutdown, repeat steps 5 and 6 listed above.

When Modifying Connections or Wiring:

Connections and modifications should only be performed by professionally trained personnel.
All changes must be verified for manufacturer approval or impact on vehicle warranty before connection.
All modifications must be verified by measurement and comparison with the vehicle wiring diagram before connection.
Modifications are made at your own risk, without guarantee of functionality.
Modifications are made at your own risk, without guarantee against vehicle, device, or interface damage.
Modifications to pre-installed wiring may void the product warranty.