If your engine wiring harness is original it needs to be replaced.

They are all bad.

When you handle the wiring harness when moving it out of the way, it usually causes all of the problems you read about.

__________________
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".