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Installation Instructions
SUBJECT:
MODEL 171.456/473
MODEL YEAR 2005
CELLULAR TELEPHONE INSTALLATION
We are interested in your comments and/or suggestions regarding these installation instructions—
please e-mail them to technicalinformation@mbusa.com
Do not disconnect the negative battery cable. Extensive reprogramming requirements will
otherwise be necessary. Wiring harnesses will be electrically active. It is therefore necessary to
exercise extreme caution while executing these installation instructions. Failure to do so could
result in severe vehicle damage, personal injury, or death from electrical shock. Keep the ignition
and radio powered OFF through the final test.
MOST Notes
•
Optical fibers damage easily; handle optical fibers with care to prevent cuts, nicks, abrasions, kinks,
and crushing.
•
Minimum bend radius for optical fibers is 25 mm.
•
Optical fiber "ring configurations" must form a closed loop to function (i.e. couple the input of a
component with the output of the preceding component).
•
Identify MOST optical fibers cables by their orange or yellow, semi-rigid insulation.
•
Electromagnetic interference (EMI) from bundled vehicle electrical harnesses does not affect optical
fibers.
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA-
SLP S424HH001, Control of Records.
© 2004 Mercedes-Benz USA, LLC.
Mercedes-Benz Canada, Inc.
Dealer Workshop Services
www.MBUSA.com
www.startekinfo.com
Date:
November 2004
Order No.:
PRELIMINARY DRAFT
Supersedes:
Group:
82
WARNING
All rights reserved. Reproduction or translation in whole
or in part is not permitted without authorization from the
publisher. Printed in U.S.A.
1-800-FOR-MERCedes
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Summary of Contents for Mercedes-Benz 171.456 2005
- Page 1 This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data Control, and MBUSA- SLP S424HH001, Control of Records. © 2004 Mercedes-Benz USA, LLC. All rights reserved. Reproduction or translation in whole Mercedes-Benz Canada, Inc.
- Page 2 A. Preparing for the installation 1. Read these installation instructions in their entirety before beginning. 2. Unpack and compare the installation kit contents against the Parts Information list— Section M. 3. Place the operating guides and customer accessories in the glove box or appropriate stowage compartment.
- Page 3 2. On the right side of the equipment carrier, disconnect the Tele Aid leads (A and B, Figure 3) from one another and identify the: • Tele Aid FAKRA female, white connector (A, Figure 3) • Main antenna FAKRA male, white connector (B, Figure 3) 3.
- Page 4 7. On the right side of the equipment carrier, find the: • Tele Aid microphone connector (A, Figure 6) and connected jumper (B, Figure 6) with black and white looped wires 8. Disconnect the jumper (B, Figure 6) with black and white looped wires from the Tele Aid microphone connector (A, Figure 6) and discard the jumper.
- Page 5 D. Mounting the linear compensator to the bracket 1. Mount the linear compensator to the pre- tapped screw holes in the bracket front with four Phillips head machine screws (Figure 9). Note: Align the connector receptacles of the linear compensator with the bracket end with two mounting tabs (Figure 9).
- Page 6 COMAND equipped vehicles without satellite radio: Find the MOST coupling (A, Figure 11) in the optical fiber routed to the CAR NAVIGATION processor wire tied to the bottom, right of the equipment carrier. Carefully cut the wire tie (B, Figure 11) securing the MOST optical fibers to the equipment carrier.
- Page 7 AUDIO 20 equipped vehicles: Find the MOST coupling (A, Figure 14) in the looped optical fiber taped to the bottom, right of the equipment carrier. Remove the tape (B, Figure 14) to free up the MOST optical fiber. Disassemble the MOST coupling and carefully remove the fiber end (Arrow, Figure 14).
- Page 8 3. Connect the MOST adapter connector to the MHI control module (A, Figure 16). 4. Connect the MHI power supply connector to the MHI control module (B, Figure 16). 5. Connect the MHI microphone array connector (C, Figure 16) to the Tele Aid microphone connector (D, Figure 16).
- Page 9 G. Installing the linear compensator bracket assembly and connecting the linear compensator 1. Mount the linear compensator/bracket assembly to the three threaded studs (Figure 18) on the equipment carrier, left of the mounted MHI/antenna switch bracket assembly with three 8 mm nuts. Figure 18 P82.70-xxxx-71 2.
- Page 10 H. Installing the cradle contact plate and telephone cradle 1. Open the lower compartment of the center console and remove the four T8 Torx screws (Figure 21) from the upper compartment underside to release the false floor. Figure 21 P82.70-xxxx-71 2.
- Page 11 5. Find the kit-included contact plate (A, Figure 24) and identify the FAKRA antenna male connector (B, Figure 24) and the power supply male connector (C, Figure 24). Figure 24 P82.70-5426-71 6. Feed the power supply cable and FAKRA cable of the contact plate through the knockout hole from the top side of the false floor (Figure 25).
- Page 12 10. Remove the female FAKRA and power supply connectors from the clips in the housing at the bottom of the upper compartment of the center console. 11. Connect the male FAKRA connector (A, Figure 27) of the contact plate to the female FAKRA connector (B, Figure 27) in the housing.
- Page 13 J. Version coding 1. Connect Star Diagnosis to the vehicle and perform the version coding below. 2. Set the MOST ring configuration to match Figure 30 via path: Control units > Information and communication > Audio, video, navigation and telematics > AGW –...
- Page 14 K. MOST ring configuration Figure 30 82.70-xxxx-11 L. Final assembly and function test 1. Verify proper telephone operation per the following checklist: Handset dialing is functioning Head unit dialing is functioning Handset incoming/outgoing call audio is clear Hands-free incoming/outgoing audio is clear Automatic memory download is functioning It may be necessary to store a test number in the telephone handset for this feature to operate.
- Page 15 Parts Information Qty. Part Name Part Number/Exchange Vehicle core installation kit BQ 682 0906 Hardware kit BQ 682 0462 Linear compensator, dual band BQ 682 0829 MHI control module BQ 682 0936 SLK-Class vehicle completer kit BQ 682 0915 Contact plate BQ 682 xxxx Antenna Switch with FAKRA connections BQ 682 xxxx...