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SL-Class (R230) 2003 -- 2012: Discussion on the SL500, SL550, SL600

R230 headlights

 
Old 11-16-2017, 08:30 PM
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08 sl55 amg
R230 headlights

Does anyone know where I can get a replacement harness for inside the Bi- xenon headlights, the wire insulators are cracking and disintegrating and I don't want to buy a whole new headlight with igniters and ballasts for just a bad harness
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Old 11-17-2017, 10:02 AM
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Talon: you might consider "painting" the exposed wiring with Liquid Tape. Works.
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Old 11-19-2017, 10:28 AM
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I'll give that a try thanks
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Old 11-24-2017, 04:46 PM
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The big question for me would be why on a MY2008 would the insulation be deteriorating to the point it needs replacement.
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Old 11-24-2017, 04:56 PM
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heat cycling is the biggest cause combined with probably cheap wiring/insulation.. Mercedes used to have engine harness insulation issues pre-1995 or so, but they changed the processes since then and they no longer have those issues. The insulation on the wiring in the headlamps probably isn't as durable when compared to the newer engine wiring harnesses.

Also, if you dont think your headlamps get hot, turn on your lights (xenon/halogen) and hold your hand infront of the car on the lens and you will feel it get warm pretty quickly.
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Old 02-26-2019, 10:28 PM
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Same problem here. Anyone find a solution other than new headlights or rewiring the old, brittle connectors?
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Old 02-27-2019, 04:19 AM
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I wish there was I ended up buying new ones
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Old 03-15-2019, 07:00 PM
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1966 W113 230SL 2005 R 230 SL350 (M112 3.7). Selling the W113.
My headlights are crystal clear, like new. Should I do something about keeping them as clear in the (long)er run? I use anti freeze that explicitly states it is safe for plastic head lights. How about applying car wax?
(bi-xenons - can wax cause an irritating flare for head on traffic?)
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Old 03-15-2019, 08:10 PM
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Why not cover them with 3M clear bra?
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Old 03-15-2019, 08:42 PM
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Source...

Originally Posted by Rudeney View Post
Why not cover them with 3M clear bra?
Can you recommend a source for for pre-cut 3M clear for the head lights?

Thx
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Old 03-15-2019, 09:31 PM
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This ceramic coating works great. https://www.mckees37.com/headlight-coating.html#
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Old 03-15-2019, 10:47 PM
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Not sure about pre-cut , bu you can buy sheets of 3M clear-bra. Just so it on a nice, hot day. Let the clear bra and the car sit out in the sun for about 30 minutes, start at the center and stretch to the edges.
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Old 03-16-2019, 03:54 AM
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I understand that headlights are actually covered with clear coat. This guy shows how to restore the clear coat on the headlight. Look though videos on his channel for one with headlights.

https://www.youtube.com/channel/UCT5...uy041dbWPB6skg
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