I fitted 20" Vossens with no issues nor spacers, it was lowered on H&R springs by 25mm.
https://forums.mbclub.co.uk/threads/w218-cls-350-incoming-boredom-warning-attached-as-well-as-pics.248832/page-4
Something you don't see very often! I spent an age looking for one of these for my C43 resto! Eventually tracked one down for considerably more than you have advertised yours for, and even though (I think I am right in saying) it is not period correct for y 99 plate C43, it is a nice thing to...
That one ^^^^^ just reminded me of this I spotted on the ferry a few years ago. I know car related plates are specific, but you really have to love where you live....which the owner of this motor quite clearly does and has a sticker to prove it! 😂
The slightly darker rear lights (which yours will have) were fitted to the 2014 FL onwards. I have a 2012 oil burner and changed the lights to the FL versions.