I have made various adjustments to mine but find now that I just let up on the pedal to shift it when I want to. It doesn't take much, but I sort of like the control. I've adjusted it though so that it shifts on it's own out of 1st gear at about 4500. Usually I like to shift it a little lower, at around 3500.

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DS
2010 CL550 - Heaven help me but it's beautiful
87 300D a labor of love
11 GLK 350 So far, so good
08 E350 4matic, Love it.
99 E320 too rusted, sold
87 260E Donated to Newgate School
www.Newgateschool.org - check it out.
12 Ford Escape, sold, forgotten
87 300D, sold, what a mistake
06 Passat 2.0T, PITA, sold

Las Vegas NV