NAV-TV MB, MB-S User Manual

MOST-H.U.R. MB/MB-S

Mercedes Head Unit Replacement Interface

NTV-KIT421/501

DS, BM

04/15/14

NTV-DOC141

3950 NW 120

th

Ave, Coral Springs, FL 33065 TEL [phone] FAX [phone]

DS, BM

Overview

Kit Contents

OPTI-1 Interface pin outs

Vehicle Compatibility

Pin #

Description

Color

1

12v (+) Constant IN

Red 2 12v Remote (+) IN

Blue

3

[Common] Audio Shield

Gray 7 Ground IN (-)

Black 8 Right Audio IN (+)

-- 9 Left Audio IN (+)

--

Wire Side

Power/Signal Harness

NTV-HAR012

MOST Fiber Optic Connector

NTV-CON002

OPTI-1 Interface

NTV-ASY149

USB Cable (updates)

NTV-CAB009

4/15/14

NTV-DOC141

rB7

NAV-TV’s OPTI-1 is a radio replacement interface for compatible Mercedes Benz vehicles
equipped with an external M.O.S.T. fiber optic amplifier. The module allows the factory
amplifier, speakers and sound quality to be retained when adding a modern aftermarket radio.
Other components in the factory system, such as a CD changer, satellite radio, telephone
module, DVD player, or any other factory component in the M.O.S.T loop, will not function after
the installation.

Vehicles with M.O.S.T. amplifier:

2005-2008 CLS/SL/SLK, 2003-2008 E, 2004-2006 S, CL

To confirm compatibility, remove the radio. With a CD playing in the radio, NOT in an external
changer, remove the M.O.S.T fiber optic cable from the radio harness (see pictures below). If all
sound goes away completely and the model and year is listed above, the vehicle is compatible
with the OPTI-1. It is important to properly validate the vehicle prior to installation, especially in
SLK vehicles.

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.

2 | P a g e