Check for a transmission updated control unit. Since that car came out in 97 there has been many updated control units. I beleive, but would have to check that the latest control unit should help improve the 1-2 shift. Has to do with adaptations within the control unit.


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Mercedes-Benz Master Guild - 2 years
Shop Foreman - 20 + years - dealer.
Part owner - MBZ Transmission remanufacture
2000 SL500
1999 ML430
1989 300SE