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righ low beam does not work

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Old Dec 23, 2017 | 07:18 PM
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c300 2012
righ low beam does not work
change new bulb and still does not work. Fuse are okay. Ballast?
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Old Dec 23, 2017 | 07:57 PM
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w204_racing's Avatar
w204_racing
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C300 sport 2008
Originally Posted by Tony2017
change new bulb and still does not work. Fuse are okay. Ballast?
connector prob broken
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Old Oct 2, 2019 | 01:12 PM
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2013 C250 Sport Coupe
Same Problem
My right Low Beam went out yesterday while I was out shopping, I went to drive home and had the caution pop up. I replaced the bulb with a new H7 bulb and it definitely had a snug connection. I've been trying to track down a fuse diagram because neither my car nor my manual have them anywhere. I'm just going to go through all of the fuses (my car only has fuse boxes in the engine bay and in the trunk, no interior boxes that I've found) and see if there are any blown. I'll update if I find the problem.
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Old Oct 2, 2019 | 09:31 PM
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The external lighting has no fuses. All bulbs are electronically controlled by the SAM. If the bulb does not work, you may have some bad wiring. If you have recently had any electrical issues (dead battery, jump start, etc.) it could be a problem with the SAM.
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Old Nov 29, 2019 | 12:42 AM
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chuang
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2005 E320 Base
Lightbulb
Originally Posted by Rudeney
The external lighting has no fuses. All bulbs are electronically controlled by the SAM. If the bulb does not work, you may have some bad wiring. If you have recently had any electrical issues (dead battery, jump start, etc.) it could be a problem with the SAM.
How to troubleshoot with the SAM? Thanks!
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Old Nov 30, 2019 | 10:42 PM
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You would need a tool capable of reading codes and testing the SAM. SDS (Star Diagnosis) is the best, there are some others like iCarsoft i980 or MBII and the Autel MD802 can also read codes.
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Old Jul 15, 2020 | 08:57 PM
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08 Mercedes Benz C300
SAME PROBLEM
did we ever find the solution you guys?
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Old Jul 16, 2020 | 06:22 AM
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2013 C350 Coupe, 2005 C230K Kleemann Sedan, 2013 GLK350 4matic
Originally Posted by Rudeney
The external lighting has no fuses. All bulbs are electronically controlled by the SAM. If the bulb does not work, you may have some bad wiring. If you have recently had any electrical issues (dead battery, jump start, etc.) it could be a problem with the SAM.
yes they do F29 and F30 in the front SAM
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Old Jul 16, 2020 | 08:51 AM
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W204 C220CDI 2011
Originally Posted by capt_paul
yes they do F29 and F30 in the front SAM
Those are for the range adjustment......
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Old Nov 27, 2020 | 06:53 PM
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w204
FiXXED!!!
My problem was the connector for the low beam bulb burned to hell. I bought this better built wiring harness and it did the trick. These wires are thicker. You’ll need a heat gun to get the housing apart to replace the harness. I didnt have one handy so i just cut the connector and resoldered the new connector onto the old. If you got time, go ahead and replace because i have had so many problems with these headlamps. Especially with the sidemarker bulbs breaking. Or you can just save some time and buy a used headlamp. or hello, this is a good reason to get some black housing headlamps.

https://www.ebay.com/itm/For-08-11-M....m46890.l49292
Last edited by Vincent Dang; Nov 27, 2020 at 06:55 PM. Reason: More details
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