Fits the following chassis: all 114 and 115 built from 1968 to 1976 and all 123 from 1977 to 1985.
Here is a common rubber part that is wearing out as these cars get 20 to 25 years old. If your rear end is sitting lower than is use to, this could be the culprit. It is the mount that is bolted to the rear end center housing. If can be readily changed with a good floor jack, jack stands and common hand tools.
Rear differential mount can be changed without removing the rear end.