Turn off rearview/sideview mirror autodimming?
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Joined: Jul 2010
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'07 E550
Turn off rearview/sideview mirror autodimming?
Hello All,
Been lurking here for quite some time but was not able to figure this one out. I was wondering if it was possible to turn off the auto dimming feature on both my rear view as well as my side view mirrors. I recently had my windows lightly tinted and when the auto dimmer kicks it it can be somewhat difficult to see out of the mirrors.
Any ideas?
Been lurking here for quite some time but was not able to figure this one out. I was wondering if it was possible to turn off the auto dimming feature on both my rear view as well as my side view mirrors. I recently had my windows lightly tinted and when the auto dimmer kicks it it can be somewhat difficult to see out of the mirrors.
Any ideas?
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From: Ft. Lauderdale Area, USA
2015 ML 350
Cover the electric eye in the center windshield rearview mirror with a small piece of opaque tape. (Black electrical tape cut into a crisp small square is easy & unobtrusive).
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Joined: Aug 2004
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W203, W211, W212
Not 100% sure that this will work, but the mirror in my '07 has two connectors going to the dome assembly. One should be for the Homelink unit in the mirror, and the other should be for the auto-dimming mirror itself. I assume its a matter of trying to see if disconnecting either will disable the autodimming mirror yet keep the Homelink.
Do a search for "dome removal," and you'll get DIY instructions for removing the front dome lights to get to the mirror. They're pretty straightforward, and I got into my dome to replace a blown bulb within 30 minutes - just be careful of everything snapping into place.
Do a search for "dome removal," and you'll get DIY instructions for removing the front dome lights to get to the mirror. They're pretty straightforward, and I got into my dome to replace a blown bulb within 30 minutes - just be careful of everything snapping into place.
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Joined: Jan 2010
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2007 e550
I'm not sure if anyone is familiar with those Broadway rear view mirrors but I have to have on in all of my cars. It blocked the sensor on the stock rear view mirror and the auto dim function no longer works.
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From: Albuquerque
'10 CL550, '12 GL550
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'07 E550
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From: Philadelphia area
2010 ML550, 2010 E350 4M, 1966 Corvette Convt C2
Dont believe you can turn off all of the ESP functions. When you do turn the ESP off I believe it leaves the basic safety functions still to be operative.
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2007 e550
This is how I do my burnouts! 
I’m not sure what years this applies to though
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From: Vancouver
2018 e63s edition 1
This car is new to me but I still can't figure out where the sensors are. I noticed that there is two humps on the top of the mirror that have slots on three of fourth sides and assumed that was them. After covering them with electrical tape I can confirm that is definitely not the sensors. I really only have one negative comment about the car, and the auto tinted mirrors is it. Where are the sensors!?
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From: In the Shadow of the Tetons
2013 ML350 Bluetec
Thanks for another informative and educational post, konigstiger.
I've found that the mirrors are woefully dim while backing at night, and if I have read the function correctly the reverse gear being engaged should automatically cause the mirrors to go to full bright thanks to the signal being sent to the appropriate module via CAN. Is there a way to test this function for correct operation? Would it be easier to simply install a brighter (LED?) reverse lamp in lieu of the incandescent ones already there?
I've found that the mirrors are woefully dim while backing at night, and if I have read the function correctly the reverse gear being engaged should automatically cause the mirrors to go to full bright thanks to the signal being sent to the appropriate module via CAN. Is there a way to test this function for correct operation? Would it be easier to simply install a brighter (LED?) reverse lamp in lieu of the incandescent ones already there?
