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Headlights flickering R230

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Old May 1, 2016 | 07:00 PM
  #1  
FLGSHP7's Avatar
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From: Central, IL
SL500
Headlights flickering R230

Hello all,
As the title states, I'm having issues with my headlights flickering on a 2003 SL500. It only does it when the battery is a bit low or when it's cold. The Ambient temp sensor always reads 185* when the lights are flashing and then corrects itself to normal ambient temp and the lights no longer flicker when it changes back to correct ambient temp.
I recently got a STAR C3 unit and hooked up today. It had a bunch of old codes so I started by clearing all first. Driving the car for a bit, and then coming back to see what came back. Here are my results from Quick Test:

Had a "!" on the Airbag. I dont know what that means..

Headlights flickering R230-img_0745.jpg

I had 3 faults shown here:
Headlights flickering R230-img_0747.jpg

Lower Control Panel code B1010
Headlights flickering R230-img_0746.jpg

System Diagnosis code B1E40
Headlights flickering R230-img_0748.jpg

Instrument Cluster code B1116
Headlights flickering R230-img_0749.jpg

Any help is greatly appreciated as I'm very new to using DAS.

TIA
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Old May 5, 2016 | 09:14 AM
  #2  
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Old Aug 20, 2020 | 12:53 PM
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SL500 and S400
How was this resolved?? I have an 2003 sl500 doing the same thing right now! Same code.
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Old Aug 20, 2020 | 01:32 PM
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From: Central, IL
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Originally Posted by jeffcapp99
How was this resolved?? I have an 2003 sl500 doing the same thing right now! Same code.
Do you have the same issue with ambient temp sensor reading incorrectly?
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Old Aug 20, 2020 | 02:44 PM
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SL500 and S400
I had similar symptoms to your description. Temp read 185. A lot of lights were going on and off. ABC when up and down. I scanned the car and I could not see BNS or any SAM. I got a single wire code on CAN on my icarsoft reader. It all started after a dead battery and I had to jump it. I cam to the computyer and saw this post. I let the car run and now the car (or OBDC) sees the missing modules. I deleted lots and lots of codes and it seems to be working ok. now. After hours of playing with it. Very strange.
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