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Yellow light under rearview mirror

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Old Dec 9, 2011 | 07:19 PM
  #1  
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2007 c230
Yellow light under rearview mirror

I had my car for a year and never noticed the yellow light thats on underneath the rearview mirror? Is that thing always on? or on now because theres something wrong?
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Old Dec 9, 2011 | 07:22 PM
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lol if we're talking about the same thing it's supposed to be on. Creates a nice ambient glow around your console
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Old Dec 9, 2011 | 07:23 PM
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2007 c230
alrite makes sense now... I would've noticed it maybe if i had tints in my vehicle but i live on long island and nyc and there are no pitch black roads to really take notice of it.. street lights everywhere
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Old Dec 9, 2011 | 07:25 PM
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if you take your finger and block the light, you can kind of notice the subtle differences that tiny little bulb makes.
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Old Dec 10, 2011 | 12:55 AM
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hmmz.. I always thought that it is only on when you turn on the lights. Durning daytime when you didn't turn on your lights, it doesn't comes on.
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Old Dec 10, 2011 | 10:21 PM
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Originally Posted by 04mbc230
hmmz.. I always thought that it is only on when you turn on the lights. Durning daytime when you didn't turn on your lights, it doesn't comes on.
Let me restate this. It does not actually turn off. I just confirmed it today and had my hand under the mirror. Lights was on when my headlights was in off position.

Oh well, guess that theory had went down the drain.
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Old Dec 10, 2011 | 11:35 PM
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As far as I remember, the light underneath the rear view mirror did not come on our cars right away. AFAIK, I believe it wasn't until the mid redesign of our cars (2004.5 MY).

It does give a nice ambient glow at night. Mine actually died a few years back. A member here made a nice one for me that was an LED versus the OEM incandescent one. It's a little bit brighter, and gives a much nicer glow than OEM. My sig has his mbworld name.

Audi's and VW's also have these lights....but theirs are red and in the ovehead console instead of underneath the rear view mirror.

Cintoman
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Old Dec 11, 2011 | 10:07 AM
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it comes on once you put the key in position 2 i think.
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Old Dec 12, 2011 | 10:15 AM
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Mine seems to be red, not yellow.
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Old Dec 14, 2011 | 01:42 PM
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Originally Posted by Cintoman
As far as I remember, the light underneath the rear view mirror did not come on our cars right away. AFAIK, I believe it wasn't until the mid redesign of our cars (2004.5 MY).

It does give a nice ambient glow at night. Mine actually died a few years back. A member here made a nice one for me that was an LED versus the OEM incandescent one. It's a little bit brighter, and gives a much nicer glow than OEM. My sig has his mbworld name.

Audi's and VW's also have these lights....but theirs are red and in the ovehead console instead of underneath the rear view mirror.

Cintoman
I was hoping you would have chimed in here!!!!!!!!!! Is it still going strong?

The bulb is an incandescant bulb with an amber "condom" on it to give it some color. It's there to provide some ambient light. Yes it does come on as long as the key is in position 2.

The bulb can and will burn out. Here's my thread for some more info.
https://mbworld.org/forums/c-class-w...ew-mirror.html
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Old Dec 14, 2011 | 08:10 PM
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Is it possible to post a pic of this? I've had my car for a year now and never noticed a light there....Maybe it's been out since i bought it??
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Old Dec 14, 2011 | 08:18 PM
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Originally Posted by e1000
I was hoping you would have chimed in here!!!!!!!!!! Is it still going strong?

The bulb is an incandescant bulb with an amber "condom" on it to give it some color. It's there to provide some ambient light. Yes it does come on as long as the key is in position 2.

The bulb can and will burn out. Here's my thread for some more info.
https://mbworld.org/forums/c-class-w...ew-mirror.html
the pictures aren't showing up I wanted to change it to LED
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Old Dec 15, 2011 | 09:36 AM
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A lot of cars have this. Honda cars all have it now, the BMW has a red one, the Lexus a white one, my Benz seems to be red but I can't remember haven't driven it in a week now.. 125k miles and 7 years and it hasn't burned out yet.
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Old Dec 15, 2011 | 02:03 PM
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MB C230 W203
All my cars in the past had one, the smart car, the C class, the GLK class, this one has it too, but i never knew what the function was.
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Old Dec 16, 2011 | 01:52 AM
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Originally Posted by e1000
I was hoping you would have chimed in here!!!!!!!!!! Is it still going strong?

The bulb is an incandescant bulb with an amber "condom" on it to give it some color. It's there to provide some ambient light. Yes it does come on as long as the key is in position 2.

The bulb can and will burn out. Here's my thread for some more info.
https://mbworld.org/forums/c-class-w...ew-mirror.html

Eric,
Yes...still going strong and working as good as it did when I got it from you and installed it. Great workmanship you did making that LED light for me. I tend to show it off to people whenever I take them out in my car at night. The LED will last far longer than the OEM incandescent bulb.

Cintoman
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Old Dec 16, 2011 | 02:11 AM
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a quarter mile at a time
Originally Posted by Cintoman
Eric,
Yes...still going strong and working as good as it did when I got it from you and installed it. Great workmanship you did making that LED light for me. I tend to show it off to people whenever I take them out in my car at night. The LED will last far longer than the OEM incandescent bulb.

Cintoman
haha, awesome that's good to hear!
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Old Sep 29, 2013 | 11:22 AM
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So in case i don't decide to go with LED, what type/size of incandescent bulb is it? Something I can find at an Autozone?
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Old Sep 29, 2013 | 01:01 PM
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Take the old one out and see if autozone has something like it.
Or buy pre-wired 12V LEDs from ebay (something like 10 leds for 3-4 bucks) and it's just plug and play, the resistor is already there.
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Old Aug 31, 2022 | 04:52 AM
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thank you because i was going crazy
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