Hi guys I have problem.I am from slovakia.I went all auto repair for mercedes and they dont know help me.

My Mercedes is class E combi-
3200 cm3
2002
automat diesel
avant garde.

When I ride over 130 km/h car begin shakes but i place under speed dont shakes .Soon all changes bearings,differential ... Can it be transmission? please help me I dont want change transmission if it be something other... thanks you
Sorry for my english language