Offsets seem correct, however, be VERY careful about the rear. I would test fit them on, and and at least one front & rear tire mounted on each.

The rear outside rim needs to be either flush with the outside of the rear fender-lip when the car is on the ground (don't measure while the car is jacked up, unless you jack it up by the rear control-arm), or INSIDE the rear fender-lip.

:-) neil
1988 360TE AMG
1993 500E