Mercedes Part Numbers for NON SRT

Propshaft Centre Bearing - A008 981 4325
Propshaft Centre Bearing Mount/Support - A170 410 0081
Propshaft Donut/Coupling - A000 411 0000 (front and rear are the same part)

Febi Bilstein versions are readily available in UK at places like onlinecarparts.co.uk and relatively inexpensive.

Chrysler will want you to but a whole propshaft for almost £1,500