E-Class (W212) 2010 - 2016: E 350, E 550

Check Front Left and Right Parking Lamp warning help

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Old 06-01-2018, 11:45 AM
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2012 e350
Check Front Left and Right Parking Lamp warning help

I've done some searching online but now I'm posting since I can't find a fix for this. I have a 2012 E350 and I'm getting the warning to "Check Front Left Parking Lamp" (and my right lamp). I purchased two OEM Mercedes bulbs, put them in but they do not light up and I still get the warning. Yesterday, I took a multi meter and did a continuity test on both pins on both sockets which worked great so they seem to be connected. Anyone have any advice on what else I should look at or test?
Old 06-01-2018, 02:17 PM
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Could it possibly be that you have to polarities reversed? I know that's was an issue when I converted mine to LED on my last 3 Mercedes.
Old 06-01-2018, 03:09 PM
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Try power cycling your vehicle to reset the SAM.
Old 06-04-2018, 10:17 AM
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Originally Posted by huewish
Could it possibly be that you have to polarities reversed? I know that's was an issue when I converted mine to LED on my last 3 Mercedes.
I tried that but no luck.

Originally Posted by AZN Optics
Try power cycling your vehicle to reset the SAM.
How would I do that? Also wouldn't this cause a ton of errors to pop up? Video's I've seen about swapping batteries in this car mention a complete power disconnect causes all sorts of issues
Old 06-04-2018, 12:23 PM
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Reluctant to disconnect battery, check wiring to front SAM underside – corrosion, etc.
Attached Files
File Type: pdf
212 Front SAM.pdf (463.7 KB, 540 views)
File Type: pdf
Wiring.pdf (472.8 KB, 343 views)
Old 06-04-2018, 12:26 PM
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Originally Posted by hooker350

How would I do that? Also wouldn't this cause a ton of errors to pop up? Video's I've seen about swapping batteries in this car mention a complete power disconnect causes all sorts of issues
Power cycling just involves lights off, crank engine fully on then shut down. Then try the lights.

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