Rear view camera: Difference between revisions

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==Rear View Camera Options==
==Rear View Camera Options==
===Mounting Locations===
===Mounting Locations===
Early W220s were not designed for rear view cameras as an OEM option. It can be difficult to find a workable and convenient location for installing an aftermarket camera. Possibilities include;
W220 do not have rear view camera as an OE option. It can be difficult to find a workable and convenient location for installing an aftermarket camera. Possibilities include:
* A special number plate housing with a camera built in.
* A special number plate housing with a camera built in.
* A camera mounted on a bar which is fitted on the top of the rear number plate using the existing screws.
* A camera mounted on a bar which is fitted on the top of the rear number plate using the existing screws.
* A camera in a purposefully designed handle which can replace the existing trunk handle.
* A camera in a purposefully designed handle which can replace the existing trunk handle.
* A camera in a purposefully designed number plate light fitting to replace one of the existing lights.
* A camera in a purposefully designed licence plate light fitting to replace one of the existing lights.
* A universal style stand alone camera which can be fitted on either vertical or horizontal surfaces but does require a hole to be drilled in the car body.
* A universal style stand alone camera which can be fitted on either vertical or horizontal surfaces but does require a hole to be drilled in the car body.


Depending on the options at delivery, there are many variations of handles and number plate light fittings. The next photo shows a W220 2003 update model S500L with Retractable Trunk Grip (RTG) ie the hidden chrome handle.
==== Trunk lid handle ====
[[File:W220 Boot Trunk Retractable Trunk Lid Grip in Hidden Position.jpg|300px|center]]
For pre-facelift vehicles good place to mount generic camera is on the trunk lid handle.
However, facelift vehicles do not have a space on the trunk lid handle for mounting a camera, since facelift vehicles have Retractable Trunk Grip handle.


With the Number Plate Light Removed exposing the socket.
[[File:W220 Boot Trunk Retractable Trunk Lid Grip in Hidden Position.jpg|300px]]
[[File:W220 Rear Number Plate Light Socket.JPG|300px|center]]


Front and back views of Number Plate Light Cover. The part number is 220 820 00 66.
==== Licence plate light module ====
 
[[File:W220 Rear Number Plate Light Socket.JPG|thumb|none|Licence plate light cover removed exposing the socket.]]
 
Front and back views of licence plate light cover. The part number is A2208200066.


[[File:2208200066 Number Plate Light Front View.JPG|200px]]
[[File:2208200066 Number Plate Light Front View.JPG|200px]]
[[File:2208200066 Number Plate Light Rear View.JPG|200px]]
[[File:2208200066 Number Plate Light Rear View.JPG|200px]]


The dimensions for the Number Plate Light for this vehicle are:
[[File:2208200066 Number Plate Light Dimensions.JPG|400px|center]]


===eBay - Rear View Camera (CAMERA1)===
[[File:2208200066 Number Plate Light Dimensions.JPG|thumb|none|Dimensions of licence plate light module.]]
 
===CAMERA1 (eBay)===
There are several rear view cameras available on eBay.
There are several rear view cameras available on eBay.


Typical eBay Rear View Camera Price: 35 USD
Typical Price: 35 USD


For example, this one is marketed on eBay as a W220 rear view camera, however, there is no place where it could be possibly mounted.
For example, this one is marketed on eBay as a W220 rear view camera, however, there is no place where it could be possibly mounted.


[[File:Rear view camera supposedly for w220.jpg|300px]]
[[File:Rear view camera supposedly for w220.jpg|200px]]


===Licence Plate Light Module - Rear View Camera (CAMERA2)===
===CAMERA2 (licence plate light module)===
In the comparison of rear view cameras below the Rear View Camera in Licence Plate Light Module is designated as CAMERA2.
In the comparison of rear view cameras below the Rear View Camera in Licence Plate Light Module is designated as CAMERA2.


CAMERA2 Price: 50 USD
Price: 50 USD


The camera comes with built-in LED which is powered by a separate wire. Note, that the LED is not CANBUS "error free", which means that if connected to licence plate light wire the LED will blink and errors will appear on the instrument cluster. To make it work an additional resistance - load resistor of 150 ohm must be added (you can also use 100 ohm load resistor, but in that case if the LED malfunctions you will not receive error message on the instrument cluster). To mount it in place of original licence plate light module you will have to sacrifice the original module by breaking off the connector (or alternatively drilling two holes). Breaking it is easy since if the original licence plate module has been used for a while the plastic becomes very fragile (see [[License Plate Lights|license plate lights]] page).
The camera comes with built-in LED which is powered by a separate wire. Note, that the LED is not CANBUS "error free", which means that if connected to licence plate light wire the LED will blink and errors will appear on the instrument cluster. To make it work an additional resistance - load resistor of 150 ohm must be added (you can also use 100 ohm load resistor, but in that case if the LED malfunctions you will not receive error message on the instrument cluster). To mount it in place of original licence plate light module you will have to sacrifice the original module by breaking off the connector (or alternatively drilling two holes). Breaking it is easy since if the original licence plate module has been used for a while the plastic becomes very fragile (see [[License Plate Lights|license plate lights]] page).
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* Since mounted 20cm away from center, makes rear view biased (see comparison below).
* Since mounted 20cm away from center, makes rear view biased (see comparison below).


===Generic - Rear View Camera - (CAMERA3)===
===CAMERA3 (generic)===
In the comparison of rear view cameras below the Generic Rear View Camera is designated as CAMERA3.
In the comparison of rear view cameras below the Generic Rear View Camera is designated as CAMERA3.


CAMERA3 - Price: 15 USD
Price: 15 USD


{|
{|
| style="vertical-align:top;" |[[File:W220 rear view camera generic.jpg|thumb|none|Camera available in two colors.]]
| style="vertical-align:top;" |[[File:W220 rear view camera generic.jpg|thumb|none|Camera available in two colors.]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_dissected.jpg|thumb|none|Camera dissected.]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_dissected.jpg|thumb|none|Camera dissected.]]
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera drilled hole.jpg|thumb|none|Trunk lock with drilled hole for camera.]]  
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera drilled hole.jpg|thumb|none|Trunk lock with drilled hole for camera (pre-facelift).]]  
|}
|}
{|
{|
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera.jpg|thumb|none|Trunk lock with camera fitted.]]
| style="vertical-align:top;" |[[File:W220 trunk lock latch rear camera.jpg|thumb|none|Trunk lock with camera fitted (pre-facelift).]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_trunk_latch.jpg|thumb|none|Camera mounted.]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_trunk_latch.jpg|thumb|none|Camera mounted (pre-facelift).]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_installed.jpg|thumb|none|Camera mounted (view from distance).]]
| style="vertical-align:top;" |[[File:W220_generic_rear_view_camera_installed.jpg|thumb|none|Camera mounted (view from distance).]]
|}
|}


'''CAMERA3 - Advantages''':
'''CAMERA3 - Advantages''':
* Can be mounted very close to the center of car.
* Can be mounted very close to the center of car (in case of pre-facelift trunk lid handle).
* Has large view angle (see comparison below).
* Has large view angle (see comparison below).
'''CAMERA3 - Disadvantages''':
'''CAMERA3 - Disadvantages''':
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===Other===
===Other===
CAMERA4
====CAMERA4====
[[File:W220 Rear View Camera Other Type.JPG|thumb|none|Other rear view camera mounted (CAMERA4).]]
[[File:W220 Rear View Camera Other Type.JPG|thumb|none|Other rear view camera mounted (CAMERA4).]]


Revision as of 23:43, 17 February 2016

Description

Installing a rear view camera is a nice feature, especially if the rear window is tinted. This section covers rear view camera installation on a W220 and various rear view cameras.

To see the picture on COMAND screen a multimedia interface must be installed. Alternatively, a cheap (~15 USD) LCD monitor can be used to see the picture.

Wiring

The simplest path from the front panel to the rear under seat is to follow the thick, red positive wire. Then the wire can follow wires that go from rear SAM to trunk cover.

Have not been tested, but probably the wire could be fitted into the trunk cover wiring shield.

To activate rear view camera when the reverse is engaged you can connect a wire (the blue wire in the picture) to rear light reverse cable connector.

Rear View Camera Options

Mounting Locations

W220 do not have rear view camera as an OE option. It can be difficult to find a workable and convenient location for installing an aftermarket camera. Possibilities include:

  • A special number plate housing with a camera built in.
  • A camera mounted on a bar which is fitted on the top of the rear number plate using the existing screws.
  • A camera in a purposefully designed handle which can replace the existing trunk handle.
  • A camera in a purposefully designed licence plate light fitting to replace one of the existing lights.
  • A universal style stand alone camera which can be fitted on either vertical or horizontal surfaces but does require a hole to be drilled in the car body.

Trunk lid handle

For pre-facelift vehicles good place to mount generic camera is on the trunk lid handle. However, facelift vehicles do not have a space on the trunk lid handle for mounting a camera, since facelift vehicles have Retractable Trunk Grip handle.

Licence plate light module

Licence plate light cover removed exposing the socket.

Front and back views of licence plate light cover. The part number is A2208200066.


Dimensions of licence plate light module.

CAMERA1 (eBay)

There are several rear view cameras available on eBay.

Typical Price: 35 USD

For example, this one is marketed on eBay as a W220 rear view camera, however, there is no place where it could be possibly mounted.

CAMERA2 (licence plate light module)

In the comparison of rear view cameras below the Rear View Camera in Licence Plate Light Module is designated as CAMERA2.

Price: 50 USD

The camera comes with built-in LED which is powered by a separate wire. Note, that the LED is not CANBUS "error free", which means that if connected to licence plate light wire the LED will blink and errors will appear on the instrument cluster. To make it work an additional resistance - load resistor of 150 ohm must be added (you can also use 100 ohm load resistor, but in that case if the LED malfunctions you will not receive error message on the instrument cluster). To mount it in place of original licence plate light module you will have to sacrifice the original module by breaking off the connector (or alternatively drilling two holes). Breaking it is easy since if the original licence plate module has been used for a while the plastic becomes very fragile (see license plate lights page).

Dimensions of the camera. Fits well into the original licence plate light bulb module.
Camera dissected. Although 4 screws on the camera plastic can be unscrewed, the camera module cannot be opened - plastic has been melted together.


Camera screwed in the original licence plate light module housing.
Original licence plate light module with two holes drilled (alternative to breaking the connector off).
Load resistor and camera connector soldered to licence plate light module bulb contacts.
Ready for use. One connector must be plugged in the licence plate light connector, other to composite video plug that comes with the camera.
Camera mounted in the trunk cover.

CAMERA2 Advantages:

  • Discrete mounting (hardly visible from distance).

CAMERA2 Disadvantages:

  • The small LED provides less light onto the licence plate than aftermarket LED modules (see license plate lights page).
  • Has relatively small view angle (see comparison below).
  • Since mounted 20cm away from center, makes rear view biased (see comparison below).

CAMERA3 (generic)

In the comparison of rear view cameras below the Generic Rear View Camera is designated as CAMERA3.

Price: 15 USD

Camera available in two colors.
Camera dissected.
Trunk lock with drilled hole for camera (pre-facelift).
Trunk lock with camera fitted (pre-facelift).
Camera mounted (pre-facelift).
Camera mounted (view from distance).

CAMERA3 - Advantages:

  • Can be mounted very close to the center of car (in case of pre-facelift trunk lid handle).
  • Has large view angle (see comparison below).

CAMERA3 - Disadvantages:

  • Not very discrete (visible from distance).

Other

CAMERA4

Other rear view camera mounted (CAMERA4).

Comparison

Here we provide a comparison of two rear view cameras. The rear view camera in the licence plate light module (CAMERA2) and the generic rear view camera (CAMERA3).


Vehicle with the two cameras mounted.
Actual CAMERA2 CAMERA3
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