2009 Mercedes c300 4matic sport LED Headlights
2. Do I need to buy a new cover for the back of the headlight unit where I the run the wires through?
3. Has anyone gotten any error codes?
4. Any suggestions on kits?
Don't go LED for the projectors/low beams, go HID. You'll be far happier with the result. +1 for AZNs morimoto kits


