No, I don't, but I'm sure LarryBible does. Try e-mailing him.
Actually the question of r134a has come up before, and it was determined that 400E's and 500E's got r134a starting from 1992, and the rest of the models got it in 1993.
2001 E430, Bourdeaux Red, Oyster interior.
1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".