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Pelican Technical Article:

Rearview Mirror Removal

Tom Morr

Time:

30 minutes30 mins

Tab:

$90 to $285

Talent:

*

Tools:

Phillips screwdriver

Applicable Models:

Mercedes-Benz R170 (1998-04)

Parts Required:

New rearview mirror

Hot Tip:

Remove the visors to allow the upper windshield panel to flex for more working space

Performance Gain:

New glass gets rid of the lava effect

Complementary Modification:

Replace dome light bulbs if necessary

Over time, the OE R170 rearview mirror's auto-dimming feature leaks. Owners commonly refer to the resulting dark splotches on the mirror as the lava-lamp effect.

When this happens, R170 owners have a few options:

1. Get a new replacement auto-dimming mirror (#170-810-04-17-MBZ)

2. Forego the auto-dimming feature and replace with a manual model (170-810-03-17-MBZ)

3. Have a glass shop cut a piece of mirror to the OE size and shape, then use industrial-strength double-stick tape to affix the new piece over the factory mirror.

4. Send out the "leaky" mirror to be refurbished by a specialist such as Sybesma's Electronics.

Regardless of the method, the mirror will need to be removed and replaced. The process seems daunting at first but is actually fairly easy. The mirror's neck has an access hole, which implies that a fastener is concealed within. In reality, the hole is for pivoting the mirror off its windshield mount. The official method calls for a 5mm bar, but any screwdriver that will fit in the hole and clear the windshield should work. Pivot the mount 90 degrees and the mirror de-couples from its windshield mount.

Orienting the mirror away from the screwdriver/lever makes the job easier. When installing the replacement mirror, hold the mirror's gooseneck flush against the windshield, then use the screwdriver/lever to twist it 90 degrees back into the locked position. The photos and captions below provide further details.

Unscrewing the sun visors (two Phillips screws perâ€
Figure 1

Unscrewing the sun visors (two Phillips screws per--arrows) allows the upper windshield panel to be moved slightly downward. This provides more room to work.

The mirror's access hole faces the windshield.
Figure 2

The mirror's access hole faces the windshield. A standard #2 Phillips screwdriver or other suitable bar with about a 5mm / 3/16-inch diameter will work as a lever. Move the mirror as necessary to make room.

Our project car's mirror came loose by rotating the screwdriver toward the right-side door.
Figure 3

Our project car's mirror came loose by rotating the screwdriver toward the right-side door.

The mount remains on the windshield.
Figure 4

The mount remains on the windshield.

The plug can probably be reached from between the windshield and upper panel.
Figure 5

The plug can probably be reached from between the windshield and upper panel. However, it was easier to photograph through the dome light hole.

The access hole (arrow) faces the windshield and isn't visible while sitting in the car.
Figure 6

The access hole (arrow) faces the windshield and isn't visible while sitting in the car.

The mirror has a twist-lock coupling that secures to the base mount on the windshield.
Figure 7

The mirror has a twist-lock coupling that secures to the base mount on the windshield.

R170 auto-dimming mirrors tend to â€Ã...
Figure 8

R170 auto-dimming mirrors tend to "leak" over time, creating what's known as the lava-lamp effect.

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Comments and Suggestions:
steve g Comments: You can use the Chrysler Crossfire mirror part number 5099961AA also which is less than 1/2 price of the MB part number but it is the same exact mirror.
June 29, 2016
  Followup from the Pelican Staff: Thanks for the additional info. We appreciate it.
- Nick at Pelican Parts
 
kb Comments: what is the part number for the rear view mirror on a 2000 slk 230 kompressor
December 23, 2015
  Followup from the Pelican Staff: I’m not the best with part numbers.

Give our parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need. - Nick at Pelican Parts
 
Norm Comments: It doesn't tell how to get the connection apart. I have pulled on both ends and the connection will not come apart. Any hints on how to get connection apart?
September 20, 2015
  Followup from the Pelican Staff: That connector style should pull apart. Check for a small tab, press the tab with a small flathead screwdriver to facilitate the release. - Nick at Pelican Parts  
John J. Comments: Since this article is for the R170 1998-04 shouldn't it apply to a 2000 SLK230 also?
September 18, 2015
  Followup from the Pelican Staff: The title says it does. Mercedes-SLK230/102-INTERIOR-Rearview_Mirror_Removal/102-INTERIOR-Rearview_Mirror_Removal.htm- Nick at Pelican Parts  
peg Comments: Can this same procedure be used for a 2000 SLK 230?
August 17, 2015
  Followup from the Pelican Staff: No, the tech article does not apply to your vehicle. - Nick at Pelican Parts  

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