Connects2 CT51-MC03 User manual

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CT51-MC03
Mercedes Benz Active System Adapter
Vehicle Application
Mercedes Benz ML 2005 - 2011
Mercedes Benz GL (X164) 2006 - 2010
Key Features
• Retains Fibre Optic Amplied System (if equipped)
• Provides Park Brake, Speed Pulse, Reverse Gear, Telephone Mute
& Illumination
The information provided in this document is subject to change without notice due to changes and/or
improvements to the product/s.
V1. 04/19

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ABOUT THIS PRODUCT
CT51-MC03
Active system adapter for Mercedes Benz vehicles with MOST 25 bre amplied system and
40 Way Quadlock connector. NB: New stereo must have RCA audio out connectors
Read the manual prior to installation. Technical knowledge is necessary for installation. The place of
installation must be free of moisture and away from heat sources. Please ensure that the correct tools
are using during the installation to avoid damage to the vehicle or product. Connects2 can not be held
responsible for the installation of this product.
WIRING COLOUR CODES
Purple Right Rear Speaker +
Purple/Black Right Rear Speaker -
Green Left Rear Speaker +
Green/Black Left Rear Speaker -
Grey Right Front Speaker +
Grey/Black Right Front Speaker -
White Left Front Speaker +
White/Black Left Front Speaker -
Yellow Permanent 12V
Black Ground
Red Ignition 12V
Orange Illumination
Green Park Brake
Pink Speed Pulse
Purple/White Reverse Gear
Yellow/Black Telephone Mute
PRIOR TO INSTALLATION
TECHNICAL SUPPORT
Connects2 Ltd. want to provide a fast and suitable resolution to any problems encountered during
installation of this product. To get in touch with our dedicated technical support team, please ll in a ticket
at support.connects2.com and provide as much information as possible.

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FITTING GUIDE
1. Remove and disconnect the original head unit.
2. Connect the 14 way molex connector to the interface
3. Connect the male power/speaker ISO harness to the female power/speaker ISO
harness from the aftermarket head unit. For aftermarket head units without an ISO
connector, please refer to “Wiring Colour Codes” on Pg. 2.
4. Connect the red/white RCA connectors from the interface to the back of the
aftermarket stereo
5. Connect the female vehicle specic connectors on the harness to the male vehicle
connector from the vehicle.
6. Remove the car display connector from the vehicle and plug into the interface
(please remove the dust cover from the interface before making the connection).
7. Connect the display connector from the loom to the vehicle (the port previously
occupied by the car display connector, removed in Step 7.)
Test head unit for correct operation

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NOTES