I just noticed that you live in Dallas.
There are a good number of members here who live in Dallas.
Try e-mailing a member named LarryBible.
He lives near Dallas and is a looooong-term Mercedes owner.
He can recommend a good shop.
2001 E430, Bourdeaux Red, Oyster interior.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".