Yep, this took out the engine in my co-worker's '96 C280.
The engine had to be pulled out of the car and rebuilt.
The invoice said something about a harmonic balancer, and I have no idea what this is for.
2001 E430, Bourdeaux Red, Oyster interior.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".