Mercedes - S-Class - Workshop Manual - 2007 - 2009

W221CAMUSB 10-5-2012 Rev 5.2 Tony Yankovsky 100 NW 11TH Street, Boca Raton, FL 33432 Tel. 561-955-9770 Fax. 561-955-9760 www.nav-tv.com [email protected] W221CAMUSB Camera Interface for 2007 – 2009 Mercedes-Benz S-Class, CL-Class What’s in the box Package Contents 1. Interface Module 2. Interface Harness 3. (3) Female RCA and (1) Male RCA connectors with pinned cables. 4. (2) Male – Male RCA Couplers. 5. (1) 120 Ohm Resistor. Note: Using Interface as Node, adds a camera or video input. 6. Video Switcher module. 7. Video Switcher power harness. 8. USB cable. Have the “A” connector side of the cable accessible to the passenger side of the vehicle cabin, but hidden from view. Radio Removal 1. Pop out cover under radio. Remove (2) T20 Torx screws from behind cover. 2. Remove (2) T20 Torx screws from behind hidden cover above radio cover hinges. 3. Remove (4) T20 Torx screws securing the radio in place. Then remove and unplug radio. 1|Page Radio Dash Images Installation Instructions Pinout Car wiring W221 CAM Wiring +12 Volt Pin (10) Thick Red Pin (7) Red Ground Pin (20) Thick Brown Pin (3) Black CAN High Pin (1) Yellow / White Pins (1, 5) Yellow / Black CAN Low Pin (11) Yellow Pins (2, 6) Yellow Video + Pin (7) Video - Pin (17) Right Audio Pin (5) Red RCA + Left Audio Pin (15) Black RCA + Common Audio Pins (6, 16) RCA Shield - Factory Radio harness connector NAV-TV Interface harness connector Pin (4) White/Red – Video Acc 12V out. 500mA Max!!!! Pin (8) White/Blue – Reverse 12V out. 500mA Max!!!! NOTE: The W221CAM module operates in (2) configurations. It can either be used to add a backup camera to a vehicle or to enable an additional video input on a vehicle that is already equipped with a factory backup camera. Depending on the desired configuration the module can be programmed for Filter: OFF when adding a camera or Filter: On when a camera already exists. The configurations can be changed by using the USB Updater (downloaded from www.nav-tv.com). The initial configuration when the module is shipped is designated on both the product box and the module itself. The installation of the module is also dependant on the vehicle’s configuration, so please verify the availability of the factory camera prior to installation, and re-program the module if necessary. Wiring WITHOUT Factory Camera: Filter Off 1. Solder TOP CAN pair, Yellow/Black and Yellow, to the matching wires on the Radio Connector (Pins 1 & 11) DO NOT CONNECT THE BOTTOM PAIR. 2. Solder supplied 120 ohm resistor across CAN High and CAN Low, Radio Side of interface harness (Pins 1 & 2) 3. Insert Female Red Video RCA connector into cavities 7 (Signal) & 17 (Shield) on the Radio connector. Connect Camera or Video Switcher to RCA connector INSTALLATION NOTES REMOVE THE OUTER SHELL FROM CD CHANGER PLUG TO INSTALL AUDIO AND VIDEO INPUTS 2|Page Wiring WITH Factory Camera: Filter On 1. Cut vehicle CAN wires, Yellow/White & Yellow on Radio connector. Solder Top CAN pair to vehicle side of factory harness. Solder Bottom CAN pair to radio side of factory harness. Yellow/Black to Yellow/White and Yellow to Yellow. 2. Remove factory camera wires from factory radio harness connector (Pins 7 & 17), and connect to supplied Camera input RCA and plug into Video Switcher. 3. Insert Female Red Video RCA connector into factory radio harness connector cavities 7 (Signal) and 17 (Shield). Connect Video Switcher to RCA connector. 4. Connect the Video Switcher’s black wire to ground, red wire to the White/Blue wire on the interface harness (Pin 8). The switcher will then automatically activate when in reverse. AUX Audio Wiring AUX AUDIO: If vehicle is not equipped with Factory iPod interface, Insert RCA pin into factory radio harness connector cavities 5 (Right Audio), 15 (Left Audio), 6, 16 (Audio Common). If vehicle is equipped with factory iPod and Aux audio is required, you must cut the existing iPod audio lines at said pins and connect a stereo switcher. Programming Interface Radio Programming Images 1. Press and hold the steering wheel While quickly tapping the Volume up (+) button 3 times: (Hold ) +++ 2. Release buttons and observe the Cluster and Radio. Both enter DIAGNOSIS mode and then reset. If Radio did not enter DIAGNOSIS, Repeat step 1. 3. After Radio resets, Check the availability of new “AUX” feature under the “AUDIO” Menu. 4. Set the instrument cluster to “Rearview Camera – ON when in reverse”. 5. Proceed to checking the system functions described in the “Operations Instructions”. Operation Instructions To Activate Rear View Camera Rear View Camera Image 1. With the brake pedal depressed and engine running, engage reverse gear. 2. Rear View Camera picture will show on COMMAND display. To Activate Video Monitoring Video Activation Images 1. Double Click the Steering wheel Mute button. External Video is now displayed on Command screen. 2. Double Click the Steering wheel Mute button again to return to normal Command display. To Activate AUX Audio (option) AUX Audio Images Select “Audio” > AUX Agreement: End user agrees to use this product in compliance with all State and Federal laws. NAV-TV Corp. would not be held liable for misuse of its product. If you do not agree, please discontinue use immediately and return product to place of purchase. This product is intended for off-road use and passenger entertainment only. 3|Page