Operation CHARM: Car repair manuals for everyone.

Model 129 and 140: Overview

Group: 82

Number: 345A

Date: January 1999

(supersedes W.I. 345, October 1995)

Revision: Parts list updated to reflect exchange availability

SUBJECT:
MODELS 129 AND 140
MODEL YEAR 1996
INSTALLATION OF CELLULAR TELEPHONE (CTEL) SYSTEM

Installing in-dash controller (IDC)

1. Unpack contents of installation kit and compare to parts list at end of Work Instructions. Read through entire procedure to familiarize yourself with sequence of instructions and parts. Remove Operating Guide from kit and place in Owner's Literature pouch.

2. Disconnect and cover negative battery terminal.

3. Remove two screws securing false back to eyeglass compartment. Remove false back to expose two 12-pole connectors and one microphone connector (Figure 1). Remove cables from false back. False back and original mounting screws may be discarded.

4. Install IDC mounting bracket. Position mounting bracket so that mounting holes align with two false back mounting holes. Secure bracket with four M4x10 mm self tapping screws (the two additional holes have pre-punched bosses).





5. Connect two 12-pole connectors to in-dash controller. Connect microphone connector to connection on top center of controller (Figure 2).





6. Secure left cable and microphone cable to clips on back of IDC. Slide in-dash controller into bracket and snap into place (Figure 3) - DO NOT PRESS ON THE LCD DISPLAY.

Installing handset (HS)

A. Mobile

B. Portable





Parts Information - Model 140





Parts Information - Model 129





Recommended Labor Time





Special Tools

IMPORTANT:
The Cellular Telephone Installation/Warranty Registration postcard (S-2488-94C) MUST BE FILLED OUT and mailed to:

Mercedes-Benz of North America, Inc.
One Mercedes Drive
Montvale, NJ 07645
Attn: Warranty Department

If the card is not filled out and mailed in, future warranty claims for the telephone will be denied.