These products are designed to be used as originally intended and not modified for purpose. N.B. products are usually supplied without fitting instructions. In the vast majority of cases, yes it is!
Front Rear Propshaft Joint Fits Mercedes Saloon 1976-1985 Coupe 1977-1985 #2
Front Propshaft Joint Fits Mercedes C-Class 2000-2008 1.8 2.0 2.6 2034100315
Propshaft Joint fits MERCEDES GLA220 X156 Rear 2.0 2.2D 2013 on UJ Coupling Febi
Propshaft Joint fits MERCEDES 420 R107, W126 4.1 Front or Rear 85 to 91 UJ Febi
Propshaft Joint fits MERCEDES 350SL R107 3.5 Front or Rear 71 to 80 UJ Coupling
Propshaft Joint fits MERCEDES VITO W639 Front or Rear 2003 on UJ Coupling Febi
