Harsh Ride From Rear Due to Failed Dampening Actuator on Mercedes-Benz S420

Vehicles with automatic level control that ride harshly in the rear (no give in the suspension) may have one or both dampening actuators which have failed. It is commonly recommended the actuators be replaced in pairs.

RepairPal Verified
Average mileage: 192,763 (192,763–192,763)
6 model years affected: 1994, 1995, 1996, 1997, more1998, 1999
7 people reported this problem
Viewing
1
-
1
of
1
problem details
1996 Mercedes-Benz S420 192,763 mi,
very hard ride and thump sound still have not fixed