MERCEDES BENZ E200 DRIVETRAIN

Dear Sir, I Have Mercedes-benz E-200 Estate Model 1995 With A Differential Ratio Number 3.92; Which I Couldn't Found; So I'm Looking For...

There Is Whining Noise From The Rear Wheels Of The Car When Accelerating. The Noise Can Be Heard Even If Driving At Low Speeds. The Noise...