Xenon retrofit
 

I just bought a set of factory Xenon headlights complete from a local auto wrecker. They appear to be in good condition and are from a 1998 E320. I want to fit them into my 97 E320, which has halogen factory lights. I noticed a couple of things different when I got them home. 1) There is an extra connector on the xenon housing which seems to attach to a motor inside the housing. I assume this is for leveling...but my originals had a sight glass with a level and not the motor: QUESTION...do I need to connect the adjusting motor and if so do I need a different light switch with a special control to activate the motor? 2) Can I just plug and play the original wiring harness into the Xenon light or do I need to replace the harness? 3) Once the lights are in do I need to go to the dealer to reset the computer? Thanks for your help...it is very much appreciated.
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Check out this thread from MBWorld.org

From what I've read, it's an easy job. You can use the original harness as it's the same for both xenon & non-xenon headlights and the leveling feature is not required, you can aim them manually if necessary.

Keep us updated on how you make out.

Chris

Similar solution for W124 ?
 

Sorry for getting off topic, but wish there is a similar plug-n-play solution for the W124 ! It would be a big seller.