I have access to a very good machine shop that does really good work and knows what their doing so i trust them.

These heads on these cars are not easy like a chevy but still a lot of precise careful work. They arent that bad.

By pressure washing and applying a special powder that sticks to areas in the head that are cracked.

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1986 300SDL, 211K,Dealership serviced its whole life
1991 190E 2.6(120k)
1983 300D(300k)
1977 300D(211k)