When I did the pads on my E300, they came with wet sanding paper that was supposed to rough up the surface of the rotor to prepare it to break in the pads.

If the rotor's aren't warped and the pedal pulsating, I don't see any reason to turn them.

__________________
-Evan


Benz Fleet:
1968 UNIMOG 404.114
1998 E300
2008 E63


Non-Benz Fleet:
1992 Aerostar
1993 MR2
2000 F250