Is this a 450 SL? There's a special forum for those where you might get a quicker answer.

On most cars, once the caliper is off, there's an assembly screw that keeps the rotor attached to the hub. Simply removing this single screw will usually allow the rotor to simply fall off.

__________________
-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250