Programming garage door
#2
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Join Date: Feb 2015
Location: Cape Cod
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E450 wagon, C43 AMG Cpe, C43 AMG Cab
Try going to the programing instructions in your manual. I'm not sure about MY14 vehicles but I think you need to hold two buttons down to get the flashing yellow code signal. On newer models it only requires holding one button to begin programming. Good luck!