E63 HID bulb replacement
ps... the stealer wants 310$ a PIECE for the bulbs (and they have to each be replaced at the same time) ONline sylvania's are 75$ and I can get 2 philips for 75$!! what a rip
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I've found the appropriate part on eBay used, but does anyone have instructions to replace the ballast? Do I have to remove the entire bumper to access the headlight? This is for an '07 E63. Thanks!
I've found the appropriate part on eBay used, but does anyone have instructions to replace the ballast? Do I have to remove the entire bumper to access the headlight? This is for an '07 E63. Thanks!

Reach behind the headlight and remove the black cover by turning it counter clock.
Remove the connect to the igniter.
Turn the bulb/igniter counter clock until you hear a click than pull it out.
*Remember which position the bulb is in when you pull it out so when you put it back and turn to lock it in you won't break the small bar that run parallel to the bulb.
Drive side is easy if you move the coolant tank aside.
GL!
Attachment 232976
This is the bulb holder you need to transfer from your stock bulb over to the new one.
Attachment 232977
The Ballasts/control units is located under the headlight assy as shown in the diagram above.
Last edited by Rovel; Oct 22, 2025 at 10:37 PM.











