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Condensation in Headlights

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Old 12-25-2018, 09:14 AM
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2019 C43 AMG, 2016 BMW M235xi (gone)
Condensation in Headlights

Glad to see so many others get their cars. Did anyone else have condensation in the headlamp assembly when you picked up you car? I have the standard LED light setup and when i got home, I realized there was a slight fog on both sides. You can it on the bottom of this picture I took as well. Anyone else have something similar?
Old 12-25-2018, 10:55 AM
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Didn't see anything on mine. I'll look for it in damp weather or after a car wash.
Old 12-25-2018, 01:32 PM
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The LED headlights are not fully sealed off and it is normal for them to sometimes show condnesation on the inside. They’re designed with fans for cooling and condensation will happen occasionally.
Old 12-25-2018, 06:43 PM
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woah, thats a horrible design. That would give me the ****s
Old 12-25-2018, 07:07 PM
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I had the same thing happened to me, my heart dropped. I waited for a while after and they cleared up fine....
Old 12-26-2018, 04:15 AM
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As long as it goes away I wouldn't worry about it. I had condensation/moisture in one of my side mirror turn signal lights that wouldn't go away, and it was replaced under warranty.
Old 12-26-2018, 06:07 AM
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Thats completly normal and happens by Design of how the Headlights are cooled
Old 12-26-2018, 07:37 AM
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Headlights vent to atmosphere. The heat from having them on will dry it up.

completely normal with modern headlights.
Old 12-26-2018, 12:49 PM
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Happened to me the other day after I put it through a brushless car wash for the first time in 3.5yrs and was livid. THought the car wash effed my car...but I waited a day and it cleared up just fine. it's normal with our cars as the lights are ventilated.
Old 03-27-2021, 04:24 AM
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Cory mer

Purchase 2018 C3 hundred you can see stains left from droplets of water I’m assuming calcium buildup from repeated condensation and drying process first dealership acted as if it have to be a warranty issue but after rep turn down photographs I spoke with MBUSA and they’re saying it is normal it already is affecting lights at night I would imagine after a couple more years lights would look like frosted lights of a turn your car in the sun has anyone gotten the factory to help with this problem

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