Since light bulbs are such a hot topic (with pics)
https://mbworld.org/forums/clk-class-w208/115588-xenons-ba9-5led-vs-halogen.html
The BA9 bulbs from autolumination.com was kinda blue compared to the xenons...so beware if you're gonna order that specific bulb.
https://mbworld.org/forums/cl55-amg-cl65-amg-cl63-amg-c215-c216-50/
or
https://mbworld.org/forums/cl-class-w215-6/
I know im on the wrong forum but the CL W215 is mostly dead ... maybe CL owners are too busy to talk or just too CLassy ...
Cheers,
Dominik
Cheers,
Dominik


