page 21 of this pdf has torques for the driveshaft, tranny mount:

http://www.w124-zone.com/downloads/MB%20CD/W124/w124CD2/Program/Chassis/41-050.pdf


722.3 and 722.4 atsg service manual has these torques for the tranny:

Drain plug - 14 Nm
Pan bolts - 8 Nm

Output yoke nut - 120 Nm
Rear tranny cover bolts - 13 Nm

here's the atsg manual:

https://shop.ukrtrans.biz/wp-content/uploads/catalogs/722.4.pdf