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Exterior Rearview Mirror Replacement
 
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Pelican Technical Article:

Exterior Rearview Mirror Replacement

Steve Vernon

Time:

2 hours2 hrs

Tab:

$5 to $300

Talent:

**

Tools:

Trim removal tool, Philips head, small flathead screwdriver

Applicable Models:

Mercedes-Benz W123 (1977-85)

Parts Required:

Mirror housing

Hot Tip:

Support the mirror while removing the last screw

Performance Gain:

Working mirror

Complementary Modification:

Detail the interior

Over the life of ownership there is a good chance that you will need to replace a door rearview mirror, especially if you live in a large city or park on the street. While the rearview mirror housing and parts are not cheap, they are relatively easy to replace. If you are going to be working with interior trim pieces you should get yourself a set of proper trim removal tools and not be using screwdrivers. The trim removal tools will pay for themselves many times over if you end up having to replace a trim panel because you scratched it with a screwdriver.

The Mercedes w123 came optioned with many different interiors; our project 300TD had a manual exterior mirror on the driver side and a power mirror on the passenger.

Over the years your car may have been serviced by multiple people including previous owners and this can lead to parts replaced with different size fasteners and hardware. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches. If something is different on your vehicle please let us know and share your info to help other users. If you have any questions or comments or even a different procedure you would like to share please leave it below and please leave your vehicle information.

The manual mirror on the driver side has a plastic arm that you use to control the mirror.
Figure 1

The manual mirror on the driver side has a plastic arm that you use to control the mirror. You will need to remove this piece to remove the mirror.

Use a small flathead screwdriver and push the tab on the leading edge of the mirror in towards the door (red arrow).
Figure 2

Use a small flathead screwdriver and push the tab on the leading edge of the mirror in towards the door (red arrow). This will release the locking tab from the base of the arm.

With the tab pushed in, you can pull the plastic piece off the metal arm back towards the rear of the door (red arrow).
Figure 3

With the tab pushed in, you can pull the plastic piece off the metal arm back towards the rear of the door (red arrow). The rest of the mirror removal is the same as the other side.

The power mirror on the passenger side of our car was electric and required removal of the door panel to disconnect the wiring from the mirror.
Figure 4

The power mirror on the passenger side of our car was electric and required removal of the door panel to disconnect the wiring from the mirror. Please see our article on door panel removal and then separate the wiring connection (red arrow).

Use a trim removal tool and gently pry the top of the trim (red arrow) out from the door and then lift the two hooked pieces up and out from the bottom.
Figure 5

Use a trim removal tool and gently pry the top of the trim (red arrow) out from the door and then lift the two hooked pieces up and out from the bottom.

Use a Philips head screwdriver and remove the three screws holding the mirror to the door (red arrows).
Figure 6

Use a Philips head screwdriver and remove the three screws holding the mirror to the door (red arrows). Use care as once the third screw is removed nothing will be holding the mirror in place and it can fall.

Remove the mirror from the outside, passing the wiring through the opening.
Figure 7

Remove the mirror from the outside, passing the wiring through the opening. Before installing the new mirror always makes sure to clean the area, apply a nice coat of wax and make sure to install a new seal or gasket. Installation is the reverse of removal.

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Page last updated: Fri 6/23/2017 03:06:50 AM