Larry, I've had no indication at all of belt issues. Both of us have SL's; do we have the same AC mechanicals as the SEL?
'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)