I saw your post when you originally posted, but really have no answer.
I just know that the Cruise Control module is part of the throttle actuator, so I don't know what else there is to replace.
Good luck, though....
2001 E430, Bourdeaux Red, Oyster interior.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".