Good point Oz! updated..
thank you.
Type II – late 230 SL and 250SL
Horn ring: flat upper part with 2 pins through the crossbar
Wheel: grooves facing driver and 5 single holes on the inner side
Center pad: Outer ring: 2-part - outer half facing driver is chromed and inner half is painted matte dark-grey/black.
Inner chrome ring around plastic center star.
Center star is surrounded by another chrome-mirrored ring within the plastic.