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headlight condensation

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Old Feb 19, 2016 | 08:52 AM
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2016 C300
headlight condensation

anyone getting headlight condensation after driving car?

1 week old and only 200 miles.

granted, it was cold the past couple of days.

but i notice my headlights get condensated after shutting off car.

the condensation wears off by itself after a while, but is this normal? this is both headlights
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Old Feb 19, 2016 | 09:22 AM
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Nope, not seeing any so far after about 3800 miles and significant temperature changes.
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Old Feb 19, 2016 | 09:57 AM
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No headlight condensation here...and almost 7,000 miles.

Last edited by MASSC450; Feb 19, 2016 at 10:44 AM.
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Old Feb 19, 2016 | 10:02 AM
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GLB 2023
Originally Posted by NYbenzzz
anyone getting headlight condensation after driving car?

1 week old and only 200 miles.

granted, it was cold the past couple of days.

but i notice my headlights get condensated after shutting off car.

the condensation wears off by itself after a while, but is this normal? this is both headlights
It's supposed to be normal from what I heard. When I first got my car it had some condensation on both sides too, but I haven't seen it since.
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Old Feb 19, 2016 | 10:04 AM
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2016 c450
I have it: -600 miles on a c450.
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Old Feb 19, 2016 | 11:03 AM
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I've had some, in Northern CA..with the upgraded lights. I don't think the pod is a sealed unit, not completely so you're going to get some condensation when one goes from hot (most likely beams on) to a colder garage and let it sit.
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Old Feb 19, 2016 | 11:13 AM
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The one thing I have noticed though is these LED headlights just don't melt the snow & ice off like HID lights do cause they don't get as hot obliviously.
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Old Feb 19, 2016 | 05:36 PM
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You're certainly not the first. This has been reported a few times by others .. e.g:
https://mbworld.org/forums/c-class-w...fter-rain.html
https://mbworld.org/forums/c-class-w...densation.html

If minor, it's probably normal for certain conditions, but if you have it all the time I'd get it checked out.
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Old Feb 19, 2016 | 06:59 PM
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Originally Posted by DBOC205
You're certainly not the first. This has been reported a few times by others .. e.g:
https://mbworld.org/forums/c-class-w...fter-rain.html
https://mbworld.org/forums/c-class-w...densation.html

If minor, it's probably normal for certain conditions, but if you have it all the time I'd get it checked out.
well, today headlights weren't condensated at all.

I guess it was from the rain.

my guess would be that the headlights are not sealed 100%. might be due to having LED light option.

not too happy about seeing foggy headlights on a brand neew car, specially one @ this price.

but thank you for the links to the thread, at least I don't have to go for service anymore.
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Old Feb 19, 2016 | 11:17 PM
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I had major condensation during the rain in one of my headlights. I have the standard headlights. It's a well known issue. I took it to service and they decided to replace the headlight unit.

I've never had this happen on any previous Mercedes.
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Old Feb 20, 2016 | 02:38 AM
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I see this on my BMW and MB from time to time in damp weather.

It always clears on its own and is of no concern.
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Old Feb 20, 2016 | 05:15 PM
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I see this a lot but am not worried. The led lights produce no heat to speak of and I have noticed that the lights mist even when the car has been parked all day so it is not related to headlamp use rather just atmospheric and temperature conditions.
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