Two additonal questions:
1). You had said "It's squeeking around the front left fender area" ... have you figured out what that is? I am wondering what that is?
As a sidebar- the 300E developed two weird things at the same time: A slight knocking from the right front going into driveways and a pulling to the right. It turned out to be a broken front swaybar link.
2). Did you look for uneven brake pad wear? I am suggestioning that a sticking caliper or weird ABS/traction control issue.
You might want to drive the car and then touch each wheel at the same area and see if say the right front is hotter than the left front, same again for the rears.
Another question: Does your emergency brake work the same as before?
'03 E320 Wagon-Sold
'95 E320 Wagon-Went to Ex
'93 190E 2.6-Wrecked
'91 300E-Went to Ex
'65 911 Coupe (#302580)