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

SL/R230: Pulsating Third Brake Light

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Old Mar 27, 2014 | 08:37 AM
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josephanthony's Avatar
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From: Hockessin, DE
2009 SL 550 Silver Arrow Launch Edition
Pulsating Third Brake Light

I had my Kahtec pulsating third brake light installed yesterday by my "Indy".

Works Great! 6 flashes then steady each time I touch the brake. Wake up Texters!
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Old Mar 30, 2014 | 10:43 AM
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From: Europe, but from Norway
89 SL500 Silver ,97 SL500 Carlsson 04 Mercedes SL55 AMG , 07 Mercedes SL55 AMG convertedBlack series
what it cost ? and where you buy? is easy to install ?
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Old Mar 30, 2014 | 01:55 PM
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Eurocharged 2004 E500, Eurocharged ECU/TCU 2005 SL600, 2010 Caddy SwaggerWagon
I believe you can have this feature simply turned on, with SDS. It only flashes on hard braking though...
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Old Mar 30, 2014 | 02:03 PM
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josephanthony's Avatar
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From: Hockessin, DE
2009 SL 550 Silver Arrow Launch Edition
Originally Posted by Tommyboy928
what it cost ? and where you buy? is easy to install ?
I bought it here: http://www.kahtec.com Cost was $28.00 including shipping.

I had my mechanic install it as I did not care for the wire connectors they furnished so he soldered everything in place. I was not comfortable doing this on my own with the sensitivity of MB electrical systems.

If you are familiar with wiring, and locating everything, it is a 15 minute install. See other comments on this forum for more details.

Got some comments and inquiries about it already.
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