Question: 2011 C63 Non-Xenon to Xenon headlight retrofit
Part numbers on the xenon headlights are as follows:
A204 820 34 61
A204 820 33 61
description from parts website:
2048203461 - COMPOSITE ASSY C300, C300 4-Matic, C350; w/Xenon; w/o Curve Light; w/o Active Light; Right
Thanks for any help!
Sam

Back to your question I think it will depend on your wiring harness. If the one you have is similar to what a xenon car has it could be plug and play. Your best bet is to find the wiring diagram for the headlight in your car.
Maybe some members here could help



