Not a bad idea.

Problems are systemic on all MB engines.

On M104 engines, there are a ton of posts regarding the plugging of the metal inlet tube to the intake manifold that recirculates EGR vapors from the EGR valve.

Pics of this would be helpful.

__________________
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".