Snib, check the eris-com site again. Unless my eyes deceive me, the second and third wheels from the bottom on the 126 steering wheels page are the pattern you want.
'97 SL500, 40th anniversary edition
'04 Olds Bravada (SWMBO's)
'06 Lexus ES330
'89 560SL (sold)
SL--Anything else is just a Mercedes.
(Kudos to whoever said it first)