Its about 4' across and takes a few horrs to replace. Check out and replace, if needed, your flex disks whole you are working on the driveshaft.

__________________
1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine