HRN-CW03K3: 2023 – Present Mercedes-Benz eActros

Access the fuse-panel located at the bottom of the dashboard in the passenger's footwell behind a plastic cover clearly labelled "OBD"

Remove the kick-panel underneath the dashboard

Use a panel-tool or similar tool to unclip and remove the cover-strip across the centre of the dashboard

Use a size T20 Torx-driver to remove the three screws, then unclip and remove the bottom panel of the dashboard.

Using components sourced separately from above, Prepare the HRN-CW03K3 harness

Using the Male and Female connectors with a short wire in between build the harness to as shown:

- RED (live) Pin 6

- YELLOW (ignition) wire Pin 2

- BLACK (ground) wire Pin 1

Insert pins A9909820826 into the female connector, ensuring each is connected to a corresponding wire as depicted in the photograph. Replicate this procedure with the male connector, utilizing male pins 1-962843-3. Fuses are not required as power is drawn from an already fused location.

Carefully open both sides of the truck's engine bay by moving the lever as illustrated in the provided photographs.

Route the wires from the fuse area outside to the Bodybuilder interface, which is located in the engine bay.

Verify the X15 Power Sources Using a Multimeter in order to be on the safe side ! ⚡

Fuses are not required because power is drawn from an already fused location, as mentioned in step 5 regarding pin mapping.

Pinout Reminder !

- RED (live) Pin number 6

- YELLOW (ignition) wire Pin number 2

- BLACK (ground) wire Pin number 1

Insert the connector into location X15.

If X15 is already occupied by another connector, please disconnect it and attach it to the other end of our T-harness.

Returning to the inside of the Truck’s interior, Locate the gray connector, labeled Z3X1, in the top center of the fuse panel.

This connector has multiple twisted pairs of blue and green wires. Attach the IOX-CAN to any of these blue and green wire pairs.

Remove the top cover to access mounting location for GO device

The GPS-antenna is located at the underside of the Geotab device.

! IMPORTANT: Ensure when securing the device into the vehicle, that this side is facing away from any metal surfaces.

Connect the other part of HRN-CW03K3 with the Go device and secure the connection of the IOX-CAN and the OBD interface with cable tie.

Connect the white connectors of the HRN-CW03K3 with each other.

Use cable ties to secure loose wires to leave the space clean and close everything up.