I can not help here - people like Bill Ditmire
are the experts to ask.
What I can tell you is that the manual trans
in the 260SE and in the W124 300D had identical
Rear axle 3,46
and so I assume it was the very same trans.
Regarding the mounts I can not say anyting.
Sorry I can`t help - I'm sure others like
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.