Car-Interface RL4-MBN6 Manual de usuario

Version 26.07.2022 HW:CAM(V98/99/100)/(V45/46) + HW: CAM(V100)/(V47.3/LG) + CAM(V100)/(V20) + CAM(V100)/(V81) RL4-MBN6

Video inserter

RL4-MBN6

Compatible with Mercedes Benz vehicles with

MBUX/NTG6 with 7inch or 10.25inch monitor

Video-inserter for front- and rear-view camera

and two more video inputs

Product features

•Video-inserter for factory-infotainment systems

•1 CVBS Input for rear-view camera

•1 CVBS Input for front camera

•2 CVBS Video-inputs for after-market Video sources (e.g. DVD-Player, DVB-T Tuner)

•Automatic switching to rear-view camera input on engagement of the reverse gear

•Automatic front camera switching after reverse gear for 10 seconds

•Activatable parking guide lines for rear-view camera (not available for all vehicles)

•Video-in-motion (ONLY for connected video-sources)

•Video-inputs NTSC and PAL compatible

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Contents

1. Prior to installation

1.1. Delivery contents

1.2. Checking the compatibility of vehicle and accessories

1.3. Boxes and connectors –video interface

1.4. Settings of the 8 Dip switches (black)

1.4.1. Adjustment –power supply output (dip 1)

1.4.2. Enabling the interface’s video inputs (dip 2-3)

1.4.3. Rear-view camera settings (dip 5)

1.4.4. Activating –front camera back-switching (dip6)

1.4.5. Activating the guide lines (dip 7)

1.4.6. Monitor selection (Dip 8)

1.5. Settings of the 4 Dip switches (CAN function –red)

2. Installation

2.1. Place of connection

2.1.1. Removing the MBUX head-unit in the Sprinter (W907)

2.1.2. Place of installation –RL4-MBN6

2.2. Connection schema

2.3. Connection

2.3.1. Picture signal cable - Head unit type 1

2.3.2. Picture signal cable - Head unit type 2

2.3.3. 10pin Power/CAN cable

2.3.4. Installation with connection to CAN bus or analogue (without CAN bus)

2.3.4.1. Place of connection

2.3.4.2. Alternative connection point Power/CAN - Sprinter W907/910

2.3.4.3. Installation with analogue connection (without CAN-Bus)

2.3.5. After-market rear-view camera

2.3.5.1. Case 1: Interface receives the reverse gear signal

2.3.5.2. Case 2: Interface does not receive the reverse gear signal

2.3.6. Power supply output

2.3.6.1. After-market front camera

2.4. Connection - video-interface and external keypad

2.5. Connection - video-sources

2.6. Audio insertion

2.7. Picture settings and guide lines

3. Interface operation

4. Specifications

5. FAQ –Trouble Shooting-Interface functions

6. Technical support

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Legal Information

By law, watching moving pictures while driving is prohibited, the driver must not be

distracted. We do not accept any liability for material damage or personal injury resulting,

directly or indirectly, from installation or operation of this product. Apart from using this

product in an unmoved vehicle, it should only be used to display fixed menus or rear-view-

camera video when the vehicle is moving (for example the MP3 menu for DVD upgrades).

Changes/updates of the vehicle’s software can cause malfunctions of the interface. Up to

one year after purchase we offer free software-updates for our interfaces. To receive a free

update, the interface has to be sent in at own cost. Wages for de-and reinstallation and

other expenditures involved with the software-updates will not be refunded.

1. Prior to installation

Read the manual prior to installation. Technical knowledge is necessary for installation. The

video interface’s place of installation must be free of moisture and away from heat sources.

Before the final installation in the vehicle of the video sources, we recommend a test-run

to ensure the compatibility of vehicle and interface. Due to changes in the production of

the vehicle manufacturer there’s always a possibility of incompatibility.

1.1. Delivery contents

Take down the serial number of the interface and store this manual for support

purposes: ____________________

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Requirements

Brand

Compatible vehicles

Infotainments

Mercedes Benz

A-Class (W177) since 05/2018

B- Class (W247) since 12/2018

Citan (W420) since 10/2021

CLA Coupé (C118) since 03/2019

CLA Shooting B (X118) since 07/2019

EQC (N293) since 2019

GLA (H247) since model year2020

GLB (X247) since 09/2019

GLC Class (X253) since model year 2019

GLE Coupé (C167) since model year 2019

GLE SUV (W167) since model year 2019

GLS- Class (X166) since model year 2019

Sprinter (W907/910) since model year 2018

V-class (W447) since about 03/2020

MBUX with 7inch monitor

without navigation: MB order code E3M

with navigation: MB order code E3M+E1E

Comand Online NTG6 - MBUX

with 10.25inch monitor

MB order code: E4M

Limitations:

Video only The interface inserts ONLY video signals into the infotainment. For inserting

Audio signals either the possibly existing factory audio-AUX-input or a FM-

modulator can be used. If 2 audio sources shall be connected to the

infotainment, an additional electronic is necessary to switch them.

Factory rear-view camera Automatically switching-back from inserted video to factory rear-view camera

is only possible while the reverse gear is engaged. To delay the switch-back an

additional electronic part is required.

After market front camera The front camera will automatically be switched for 10 seconds after

disengaging the reverse gear. A manually front camera switching is possible by

external keypad.

Guide lines Available for vehicles with 7 inch monitor, for vehicles with 10 inch monitor

only limited available. If the interface does not receive the required

information from the vehicle CAN-bus, guide lines won’t be supported

generally.

Factory OBD socket The permanent connection of an OBD dongle product, e.g. for a tank app or an

electronic driver's logbook, may result in partial failure of switching to the rear

view camera. if the switching signal is obtained from the CAN bus. In this case

an external switching signal from the reverse gear light and an ordinary open

relay or filter are required for the installation of a rear-view camera (see

chapter: "Case 2: Interface does not receive a reverse gear signal").

Vehicles with active

Park assistant system 235 While the factory active park assistant system 235 is in use, the displaying of

the camera picture is not possible.

1.2. Checking the compatibility of vehicle and accessories

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1.3. Boxes and connectors –video interface

The video-interface converts the connected after-market sources video signals into a LVDS

signal which is inserted in the factory monitor using separate trigger options. Further it reads

the vehicle’s digital signals out of the vehicle’s CAN-bus and converts them for the video

interface.

There are 2 different interface versions:

➢Version with 6-dip switches on the top of the housing

➢Version without 6-dip switches on the top of the housing

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1.4. Settings of the 8 Dip switches (black)

Some settings have to be selected by the dip-switches on the

video interface. Dip position UP = OFF and DOWN = ON.

*The front camera will automatically be switched for 10 seconds after disengaging the

reverse gear.

See the following chapters for detailed information.

1.4.1. Adjustment –power supply output (dip 1)

If set to ON, the video interfaces’ red wire will supply +12V (max 3A) with engaging the

reverse gear and additionally 10 more seconds delay for the time of the front camera’s back-

switching after the reverse gear has been disengaged. Furthermore, the red wire’s power

supply for the front cam becomes active with manually front camera switching (short press

of the external keypad).

If set to OFF, the video interfaces’ red wire will supply permanent +12V ACC (max 3A).

Description of the power supply output: see chapter “Power supply output”.

Dip

Function

ON (down)

OFF (up)

Frontkamera

enabled*

disabled

Power supply output

(red wire)

+12V (max. 3A) when reverse

gear is engaged incl. 10

seconds delay and +12V by

manual switching to front

camera by keypad

+12V (max. 3A) ACC

CVBS Video 1-input

enabled

disabled

CVBS Video 2-input

enabled

disabled

No function

set to OFF

Rear-view cam type

after-market

factory or none

*Frontcam

back-switching

for 10 seconds

*enabled

disabled

Guide lines

Version with 6dips on top

Enabled (only 7inch monitor)

disabled

Guide lines

Version without 6dips on top

Enabled (all monitor sizes)

disabled

Monitor selection

7inch monitor

10.25inch monitor

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1.4.2. Enabling the interface’s video inputs (dip 2-3)

Only the enabled video inputs can be accessed by switching through the interface’s video

sources. It is recommended to enable only the required inputs. Then the disabled inputs will

be skipped while switching through the video interfaces inputs.

Note: Dip 4 is out of function and has to be set to OFF!

1.4.3. Rear-view camera settings (dip 5)

If set to OFF, the interface switches to factory picture while the reverse gear is engaged to

display factory rear-view camera or factory optical park system picture.

If set to ON, the interface switches to its rear-view camera input while the reverse gear is

engaged.

1.4.4. Activating –front camera back-switching (dip 6)

If set to ON, the interface switches for 10 seconds from the rear-view camera to the front

camera input after having disengaged the reverse gear. In addition, a manual switch-over to

the front camera input is possible via keypad (short press) from any image mode.

(Attend to correct adjustment of the power supply output (dip1)!

1.4.5. Activating the guide lines (dip 7)

If set to ON, the guidelines will be shown on the display. If set to OFF, the guide lines won’t

be visible on the display.

•Version with 6-dip switches on the top of the housing:

Guide lines are only possible for infotainments with a 7inch monitor.

•Version without 6-dip switches on the top of the housing:

All monitor sizes can be supported with guide lines

Note: If there is no communication between interface and the vehicle`s CAN-bus (several

vehicles aren’t compatible), the reverse gear guide lines can`t be shown during the vehicle’s

operation, even if they once appear after having switched the system to powerless.

1.4.6. Monitor selection (Dip 8)

Dip 8 customizes the monitor-specific video settings.

If the monitor doesn’t give a satisfying picture, change the dip position while a working video

source is connected to the chosen input of the interface.

Disconnect the 10pin plug at the interface box between every change of the dip setting.

After each Dip-switch-change a power-reset of the interface box has to be performed!

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1.5. Settings - 6 Dip switches (Top of box–black)

The 6 dip switches at the top of the video interface are responsible for the according

monitor assignment.

Attention: In contrast to both other dip benches (8dip and

4dip), the 6dip position UP = ON and DOWN = OFF!

Monitor size

Dip 1

Dip 2

Dip 3

Dip 4

Dip 5

Dip 6

7inch monitor

Sprinter (W907/910)

GLC (X253)

OFF

7”inch monitor

A-Class (W177)*

B- Class (W247)*

CLA Coupé (C118)*

CLA Shooting B (X118)*

GLA (H247)*

GLB (X247)*

OFF

10.25 inch monitor

Sprinter (W907/910)

A- Class (W177)

B- Class (W247

CLA Coupé (C118)

CLA Shooting B (X118)

EQC (N293)

GLA (H247)

GLB (X247)

GLC (X253)

GLE Coupé (C167)

GLE SUV (W167)

GLS- Class (X166)

OFF

Complete list of vehicle model and year –see page 4

*If there is a malfunction in vehicles with 7 inch monitor, try also the other dipswitch settings!

1.6. Settings of the 4 Dip switches (CAN functions –red)

All 4 dip-switches of the video interface have no function for

normal use and have to be set to OFF.

Dip position UP = OFF and DOWN = ON.

Vehicle/Navigation

Dip

Dip 2

Dip 3

Dip 4

All vehicles

OFF

Vehicles with factory

active park assistant system 235

OFF

Note: During the use of the factory active park assistant system 235, no camera image is available.

After each Dip-switch-change a power-reset of the interface-box has to be performed!

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2. Installation

To install the interface, first switch off the ignition and disconnect the vehicle’s battery.

Please read the owner`s manual of the car, regarding the battery`s disconnection! If

required, enable the car`s Sleep-mode (hibernation mode)

In case the sleep-mode does not succeed, the disconnection of the battery can be done

with a resistor lead. If the necessary stabilized power supply for the interface is not taken

directly from the battery, the chosen connection has to be checked for being constantly

stabile. The interface needs a permanent 12V source!

2.1. Place of connection

Depending on the vehicle model, the place of installation of the MBUX head unit to which

the connection is made, varies.

Examples:

•A-Class (W177), B-Class W247), GLA (H247): On the A-pillar on the driver's side

•GLE (W167 und C167): Under the passenger seat

•Sprinter (W907/910): Behind the factory monitor

2.1.1. Removing the MBUX head-unit in the Sprinter (W907)

Remove air vents by using MB special tool.

Remove one hidden screw under each air vents

Remove front cover –monitor will stay in front.

Remove the head-unit.

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2.1.2. Place of installation - RL4-MBN6

The installation of the interface box close to or behind the MBUX head unit should generally

be avoided in all vehicles due to thermal problems, as the head-unit has a very high heat

generation.

Particularly in the Sprinter W907/910 in the area around the MBUX head unit exists high

heat generation due to solar radiation and the heating pipes. For the Sprinter W907/910, it

is recommended to install the video interface in the centre console below the MBUX system,

as shown in the pictures.

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