Bergwerks, the same people who make the first-gear-start module, have a module that does this for 107s. Check out http://bergwerks.com/1_touch_win.jsp.
[No financial interest, etc.]
'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)