The Brabus Monoblock VI was available in 2 sizes for the Roadster.
The standard 17"
Front: 7J ET20 205/40 R17
Rear: 8J ET-15 225/35 R17
Or the incredibly rare and incredibly expensive 18"
Front: 7J ET20 215/35 R18
Part number: SBR Q0018198V001C17B00
Rear 8.5J ET-25 225/35 R18
Part number: SBR Q0018199V001C17B00