The following part is essential when replacing a spring strut:
Additional damper, front
Important!
Note Repair Manual ----------
For vehicles with
Electronic Damper Control (EDC)(S223AYes) or
Adaptive suspension(S223AYes) or
Chassis & suspens. setup"Adaptive Drive"(S2VAAYes) or
Adaptive M chassis(S2VFAYes) or
Adaptive suspension package Comfort(S2VMAYes) or
Two-axle air suspension(S2VRAYes) or
Executive drive(S2VTAYes) or
M sports supension Professional(S2VWAYes)