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Take down the SW-version and HW-version of the interface boxes, and store this
manual for support purposes.
HW______________
SW______________
OBD-N45-X-01
Coder dongle
OBD-N45-X-01
Audio-AUX option OBD-coder
compatible with Mercedes COMAND NTG4,
COMAND Online NTG4.5
and Audio20 NTG4/NTG4.5
To be able to use the factory audio AUX-input, it is necessary to enable the audio-AUX option
in the navigation’s / radio menu, which can be done with the OBD-N45-X-01.
Delivery contents
Legal Information
Changes/updates of the vehicle’s software can cause malfunctions of the interface. We
offer free software-updates for our interfaces for one year after purchase. To receive a free
update, the interface must be sent in at own cost. Labor cost for and other expenses
involved with the software-updates will not be refunded.
Version 23.07.2019 OBD-N45-X-01
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Requirements
Vehicle Mercedes
Device COMAND NTG4, COMAND Online NTG4.5, Audio20 NTG4,
Audio20 NTG4.5
Limitations
Mercedes Music Interface must not be installed
Check compatibility of vehicle and accessories
Installation
1. Locate OBD-port and remove cover
2. Turn on ACC
3. Wait until the navigation has booted
4. Plug coder into OBD-port
5. The navigation will re-boot
6. When the navigation’s startup-screen shows, remove coder from OBD-port
To remove the audio-AUX option from the navigation’s menu repeat steps 1.-6.
After the first use on a vehicle, the coder OBD-N45-X-01 is personalized to this vehicle. On
this vehicle the enabling and removing the audio-AUX option can be repeated without limit.
The AUX-cable must be connected into the vehicles harness’ female Quadlock connector on
the rear-side of the navigation computer.
Audio20 NTG4, COMAND NTG4:
Quadlock connector, chamber A
Pin 6 ● Audio NF + left
Pin 12 ● Audio NF + right
Pin 11 ● Audio NF ground
Audio20 NTG4.5, COMAND Online NTG4.5:
Quadlock connector, chamber A
Pin 4 ● Audio NF + left
Pin 10 ● Audio NF + right
Pin 11 ● Audio NF ground
Version 23.07.2019 OBD-N45-R-01
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Technical Support
Caraudio-Systems Vertriebs GmbH
manufacturer/distribution
In den Fuchslöchern 3
D-67240 Bobenheim-Roxheim
Legal disclaimer: Mentioned company and trademarks, as well as product names/codes are registered
trademarks ® of their corresponding legal owners.
email [email protected]
Version 23.07.2019 OBD-N45-R-01
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