E-Class (W211) 2003-2009

How To Get Into Upper Light Console

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Old Oct 20, 2004 | 09:54 PM
  #1  
TERRYG's Avatar
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How To Get Into Upper Light Console

I am wanting to get into the upper light console to get 12 volts for a radar detector mounted to the passenger sun visor or even 12 volts from the sun visor itself. Anybody done this and have any suggestions how to ?
Thanks,
Terry
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Old Oct 21, 2004 | 08:02 PM
  #2  
marksatex's Avatar
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04' E500 w/Appear. PKG, Panorama Roof
My dealer did this for $65. Have them do it. Any slip and the repair will make you regret it. They mess up and they fix it. Just my .02
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Old Oct 22, 2004 | 01:18 AM
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I appreciate the advice .... did not think the dealer would do a modification. What exactly did they do for you ?
Thanks !
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Old Oct 22, 2004 | 05:24 AM
  #4  
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Originally Posted by TERRYG
I am wanting to get into the upper light console to get 12 volts for a radar detector mounted to the passenger sun visor or even 12 volts from the sun visor itself. Anybody done this and have any suggestions how to ?
Thanks,
Terry
Remove the light sensor cover using a plastic wedge.

Unclip the cover at the base of the mirror.

Remove the rear view mirror by pivoting to the side and pulling down.

Under the cover at the mirror base, disconnect the connector (this may be as far as you need to go...)

The OCP cover is then released by pressing two release buttons and then the back of it is released by using the plastic wedge to push at the side... but you may not need to get in there since the wiring is exposed under the base of the mirror.

-s-
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Old Oct 22, 2004 | 11:08 AM
  #5  
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Thanks much for the information !
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Old Oct 23, 2004 | 10:26 AM
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Hi TerryG

I've been trying to do the same thing. What MY is you car? Did you ever figure out which wire(s) you needed to give you twelve volts?
Would love to see some pics.

RSS

P.S. I have a 2005 CDI. Love it.
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Old Oct 23, 2004 | 11:26 AM
  #7  
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2004 E500 ... is this what you are asking ? I am trying to get up enough nerve to do the mod ... will advise when completed.
Terry
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Old Oct 23, 2004 | 02:32 PM
  #8  
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Originally Posted by RSS04
Hi TerryG

I've been trying to do the same thing. What MY is you car? Did you ever figure out which wire(s) you needed to give you twelve volts?
Would love to see some pics.

RSS

P.S. I have a 2005 CDI. Love it.
Out of the two wires that go in there, two of them are fairly large (2.5mm^2). They should be red and brown. The red one should have constant 12v.

-s-
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Old Oct 24, 2004 | 10:17 AM
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Scorchie:

You are right, this wire does have CONSTANT twelve volts (there is power even when the car is off). I used a volt meter but was not able to find a wire that only has power when the car is on...could not even find the wire going to the sunroof, even though I have read of people having issues tapping into this line.
Any other suggestions would be greatly appreciated. TIA

RSS
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Old Oct 25, 2004 | 02:59 AM
  #10  
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Originally Posted by RSS04
Scorchie:

You are right, this wire does have CONSTANT twelve volts (there is power even when the car is off). I used a volt meter but was not able to find a wire that only has power when the car is on...could not even find the wire going to the sunroof, even though I have read of people having issues tapping into this line.
Any other suggestions would be greatly appreciated. TIA

RSS
I accidentally wrote in my earlier post that "out of two wires" but I meant "out of the many wires that go in there, two are quite large".

The W211 E-class doesn't have much in the way of an "ignition circuit" (KL 15 I think). I mean, it's there in the car (obviously in the lighter socket), but it doesn't really run all over the car anymore, because the electronics are now "always active" and listen to CANBUS for when to "wake up". Until then, they are in low-power mode.

I think the safest thing to do is to run a wire down to the back of the lighter.

-s-
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