We would use a higher density fiber material. hopefully I can find the size, but since it is a common diameter it would not be hard.
usually we try to use AP lining.

Modify customers pressure plate $125 to 150
Reline disc with hi-grade material $100

I might be able to find a 6 spring center that will fit the benz.
the spline and diameter of the input shaft is common. I will
check on this.