I have a 89 300E with the solid padded armrest and wanted to update to the one with the storage area. Upon removal of old unit, it mounts with two bolts sticking out of the seat frame and a simple two nuts to unbolt. The newer (94?) with the storage has a center shaft protruding over an inch into the seat frame when the original is flat.

What is recommended to make this work? Should I disassemble the two units to swap parts? I took the eight screws off, but it only takes out the storage area and not to the position locking mechanism.


Thanks.