Worn seat springs/padding may cause lean or sag on Mercedes-Benz 300D

Problem Description and Possible Solution
The seat springs and padding break down over time, causing a lean, tilt, or sag.
Problem Data
RepairPal Verified
Average mileage: 274,666 (262,000–300,000)
4 model years affected: 1990, 1991, 1992, 1993
7 people reported this problem