Hi friends. I have a squeaky sound at my front suspension in my S430 2001 W220 chassis Mercedes. I inspected the area, the sound comes from the disk brake inner plate. It sounds in both, when taking a bump Suspension) and also while steering. If the suspension gets wet as when it rains pretty hard, the sound disappears for a day or so. Not sure if it is the lower ball joint or the strut arm or something else.

The car doesn't have leeway in the steering wheel, nor vibration at higher speed.

Any suggestion are welcome. At the ball joints, the strut arm at both sides have the rubber cover broken and there is evidence of grease coming out. In my older mercedes (W126), this sound came from the lower ball joint which I replace it myself.

Thank you,

Darrel