29-UC-050-MB1 Mercedes NTG1 Steering Wheel Control
For Mercedes vehicles with origianl NTG1 head units:
CLS (05-10), E-Class (03-09) and SLK (04-16)
1. Connect the cables
to the interface box and to the car, and the patch lead to the 4 pole black connector (this is
attached to pins 4, 8 and 12 of the control box). Connect the two 8 pin ISO connectors and the patch lead to the
aftermarket head-unit.
When connected to the car the interface will automatically recognise the vehicle. The green LED on the interface
will repeatedly flash once followed by a pause.
2. You need to set the interface to the brand of head unit you are fitting.
The number of flashes between pauses corresponds to the make of head unit, see the table below for the number
of flashes needed for each one.
Press the VOL + and VOL - buttons on the cars steering wheel to increase or decrease the number of flashes. When
you have the correct number of flashes, press SEEK+ to confirm and the LED will go to a solid green
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1. N/A
8. Black
SWC Ground Output
2. Green
CAN HIGH
9. White
CAN LOW
3. Orange
Illumination Output
10. Blue
Reverse 12v Output
4. Brown
SWC Data Output
11. Grey
Speed Pulse Output
5. Red
12V Ignition Output
12. Purple
SWC RES Output
6. N/A
13. N/A
7. Yellow
12v Permanent Input
14. Black
Ground Input
For Chinese and resistive programming head-units.
Set the number of flashes to 6. Confirm the setting by pressing
SEEK+. Now press the reset button 5 times, the interface will start to
flash yellow ( this allows prolonged pressure on the steering
controls ). Using the radios resistive learning menu you can now
learn and memorize the buttons. Wait at least 5 seconds between
each button press. When finished turn the ignition off and on and
the LED will go back to solid green.
To reprogram the interface for another head unit brand or if the
light is solid green before you have had the chance to set the head
-unit brand.
Push the reset button in and keep it pushed in for 10 seconds and
then release the button. At this point the LED should start to flash
green.
Number
of flashes
Make of head unit
1
Clarion 3.5mm jack
2
Kenwood 1 wire
3
JVC 1 wire
4
Alpine 3.5mm
6
Pioneer 3.5mm jack
Resistive 2 wire
Resistive 3.5mm jack
7
Sony 3.5mm jack
If fitting an Alpine, please set
jumper J1, please see overleaf.
VER 2.0
