C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Led low beam

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Old Mar 11, 2023 | 05:43 PM
  #1  
shaunt's Avatar
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From: Massachusetts
2010 c300, 99 slk 230, 07 Dyna supper glide
Led low beam

Hi all I am sick of my low beam being not so bright, I am thinking LED bulbs a while ago I tried with failure here I am hoping that someone got a set and works and happy, I am sur you uys have the same problem I have, any suggestion will be sooo appreciated
shaunt
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Old Mar 11, 2023 | 09:21 PM
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C300CA's Avatar
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From: Bay Area, CA
2011 C300 Sport, P1, MM, Wood, Heated FS, DIY rearview camera.
I tried two sets of LED on low beam. First set was two-sided LEDs that had some dark spots, not good but brighter than the factory halogen bulbs. It was cheap so didn't last long.
Second set was six-sided, much like halogen filament, no dark spot very bright, the beam pattern is nearly the same as halogen bulb, ideal. However, one LED only lasted like a little over a year. I put factory bulb back for now. Both sets were low priced maybe that is why their quality were not good.

I'd think H7 type has its own issue compared to other types. H7 does not have a tight seal around its base, therefore, the bulb should be in a tight sealed housing, making it difficult for heat to dissipate. My van has 9006 type LEDs installed one year before my C class, and is still working fine; 9006 bulb cooling fan is outside the light housing much better to dissipate the heat into space under the hood.

I wonder if I don't put headlight housing lid on the H7 LED will last much longer. If my theory is correct, no matter how high quality the H7 LED, it will fail sooner than other types of LED bulb.
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Old Mar 11, 2023 | 11:42 PM
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Odd Piggy's Avatar
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2021 GLB250 FWD, 2023 GLA250 FWD, 2013 C250, 2015 GLK350, 2005 ML350SE, 2003 E320
I find that either one of these is much better than the standard H7 bulb:
Amazon Amazon
Amazon Amazon
And unlike the Sylvania Silverstar Ultra, these last longer than 2 years.
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Old Mar 14, 2023 | 04:19 PM
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EuroDriverSD's Avatar
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From: San Diego, CA
2016 E350 Sport; Mom Wrecked the 2008 E350; sold the 2002 C320
Best solution is to retrofit some bixenon projectors. A little expensive and very time-consuming but well worth the effort
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Old Mar 19, 2023 | 12:40 PM
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From: Arizona
2010 C300
My ride came stock with halogens. I swapped to some after market headlights and put some H7LEDs and I got great light out put with way better visibility. I then swapped to a different style headlight which switched it to a H11 bulb and it's still better than stock, but I got way better visibility with the other headlights and H7s.

I could be a ***** and aim my headlights for my own personal liking and see the road lit up more, but I'm not that ***** to blind everyone on the road.
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