This mirror was purchased by me from @2phast in October 2020. It is for w124s. I installed it in April 2021. Now, in June 2024, after 5000 miles, I have de-installed it because I am installing a backup cam mirror in my car.
Anyways, this auto-dim mirror and compass works great! Here is Rik's original advertisement copy for this mirror:
This mirror has auto dimming, a button to turn auto dimming on/off and same button allows you to turn the compass on/off (also to set the compass variance zone). Left hole in bottom of bezel has a green LED to indicate the auto dimming is on, right hole is the light sensor. The menu function does not allow you to set the compass for LHD or RHD, so it defaults to LHD. Use in a RHD car may result in the compass being slightly off if you were to compare it to your phone or in car GPS.
I cut the wiring harness off but I saved the molex connector (see photos). I have left enough length of wires on the end of the connector for you to attach the wires to another car.
I will include what you see in the photos below - the matching molex connector as well as an unused fuse holder.
I have attached Rik's original installation instructions, which also includes directions on how to calibrate the compass for your zone. I am in zone 4 and the the compass reads accurately for my zone.

Anyways, this auto-dim mirror and compass works great! Here is Rik's original advertisement copy for this mirror:
This mirror has auto dimming, a button to turn auto dimming on/off and same button allows you to turn the compass on/off (also to set the compass variance zone). Left hole in bottom of bezel has a green LED to indicate the auto dimming is on, right hole is the light sensor. The menu function does not allow you to set the compass for LHD or RHD, so it defaults to LHD. Use in a RHD car may result in the compass being slightly off if you were to compare it to your phone or in car GPS.
I cut the wiring harness off but I saved the molex connector (see photos). I have left enough length of wires on the end of the connector for you to attach the wires to another car.
I will include what you see in the photos below - the matching molex connector as well as an unused fuse holder.
I have attached Rik's original installation instructions, which also includes directions on how to calibrate the compass for your zone. I am in zone 4 and the the compass reads accurately for my zone.



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