The lower control arm bushings can wear and crack, resulting excessive movement at the control arm pivot point, leading to irregular and premature tire wear. Worn Ball joints can also cause similar tire wear symptoms. I some cases it may be necessary to replace the lower control arm, including bushings & ball joint to correct this concern.
Premature Tire Wear Due to Cracked Lower Control Arm Bushings on Mercedes-Benz C280
Average mileage: 93,000 (16,000–191,000)
12 people reported this problem
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Right front lower control arm severely wore tire needs replacement bushings cracked and possible ball joint
Mechanic reports bushings cracked and upper and lower control arms need to be replaced