PM me your email and I will send you the 722 factory repair manual.

On the driver side of the case is the vacuum modulator which is responsible for line pressure rise. High vacuum = softer shifts (normal acceleration), low vacuum = firmer shifts (heavy throttle or WOT). There is a pin behind the modulator that can fracture causing odd shifts and the modulator itself can also fail.

Experienced both failures on MBs over the years. The modulator swap on the W124 is a PITA. It sells for about $60 and hopefully that is just your issue, but test it first!

I am still trying to figure out a rock hard 2-3 on my 300E I just picked up, while the rest of the shifts are fine. I am leaning toward a failed accumulator.

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I'm not a doctor, but I'll have a look.

'85 300SD 245k
'87 300SDL 251k
'90 300SEL 326k

Six others from BMW, GM, and Ford.

Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]