Mercedes-Benz Forum - View Single Post - Low Beam Lamp Socket Polarity Question
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post #3 of (permalink) Old 05-23-2019, 08:57 AM
BenzWorld Elite
Date registered: May 2016
Vehicle: 2000 S430, 2003 S430, 2003 S600 TT, and 2005 E320 CDI
Location: USA
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Yep, that's how LED's are done. Incandescent bulbs don't have polarity, but LED's do. If it doesn't flip on one way, then try the other.

2000 S430 (Dad's car, used for special occasions)
2000 S500 (wife's DD: my first W220 project car)
2003 S600 ("sex on wheels"--second w220 project car)
2003 S430 (one of two current DD's--third W220 project car)
2005 E320 CDI (the other current DD--first W211 project car)
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