These are still available, have 3 sets. I don't need them so will let them go for $30 each without tires).

Link to website with description on same type wheels:

Mercedes alloy wheels | Genuine new 16" Mercedes 15 Hole | fits Mercedes SL Class R129 | Alloy Wheels Direct Ltd

Link to CR ad:

Mercedes (R129) OEM 16" Wheels

If interested send PM or E-mail thru CR ad.