I had transmission linkage cable adjusted. It feels better, but there is still acceleration surge at gear up shift (but rarely at 3 -> 4 shift), or R <-> D. I have not felt such shaking in other cars - but I do not have much experience with W124's.

Though a mechanic says it should be OK, I will have vaccum modulator inspected in the near future.

Alldata document reads "IMPORTANT. MODULATOR PRESSURES ON 722.4'S & 722.5'S ARE SET AT 50 KPH (31 MPH) AT FULL THROTTLE". I wonder how his can be done unless a shop has large test track.

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1992 300D 2.5 turbo diesel. 319 k miles.
124.128 chassis, 602.962 engine, 722.418 tranny.