Here is a link to a company that sells rebuilt MB engines:

http://www.adsitco.com/engine.html

The 190E 4-cylinders are M102's and are 2.3 liters.
1984's have a different engine code than 85-93's.

I have no idea how much it is to R & R and engine.

__________________
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".