Refer to the Control Arm removal and installation procedure. When installing
the ball joint nut, torque it to 43–51 ft. lbs. (58–69 Nm) on the
GLC or 46–69 ft. lbs. (62–93 Nm) on the 626.
- Raise the vehicle and support it securely by the front crossmember. Remove
the front wheel.
- Remove the pinch bolt and nut from the bottom of the strut. Pull the ball
stud out.
- Remove the two bolts attaching the joint lever to the lower control arm,
and remove the assembly.
- Install in reverse order. Check and adjust front end alignment, if necessary.
See the following procedure for lower control arm removal and installation.
If the ball joint is defective, the control arm and joint are replaced as an
assembly.