You have two flex discs, one on each side of the drive shaft.

Check out this link for a detailed description and pictures:

http://www.dieselgiant.com/Mercedes%20flex%20disc%20failure.htm

__________________
Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".