Now I get my 97 E420 back with the $4400 rebuilt trans and torque converter and it feels like the trans is a bit rough. It shifts up and down hard and is perceptable whereas the original was very smooth and it would shift seamlessly. Is there a break in period for rebuilt trans? Doesn't MB thoroughly test these rebuilt trans before selling them? My indy says to drive it for a week and bring it in for a check up and not to worry as it is warranteed. Any thoughts?

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85 300CD Signal Red/Tan sold
83 300D Manganese Brown 109K
97 E420 Midnight Blue 197K sold
98 BMW 328i Vert White 100K, sold
95 BMW 525i White 125K, sold
93 BMW 525iT Red 193K, sold
95 E320 Green Wagon 125K, sold
94 E320 White 127K, sold
85 300SD 156K Grey (Annie), sold
84 300D Lapis Blue 170K (Judy), sold
99 ML 320 Black (lease), 1998 C230 White (lease)
00 Honda S2000 Red (lease)
86 Mercedes 300E (sold)
84 Porsche 911 Red (sold), 1965 Porsche 911 White (sold)