300d Transmission compatibility?

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300d Transmission compatibility? - 5/5/2008 3:37:07 PM    famicom21   Posts: 10 Joined: 11/15/2007 Status: offline hello all,   i have a grey market import 1984 300D with the automatic 4 speed transmission (which died and has been removed) the original transmission is stamped with this: 1232705601 722.405 02 072250   i am leaving college thursday morning, and have found a transmission on the way home at a junkyard. 139,000 miles, grade "A" (less than 15k per year), this transmission has these #'s stamped on the side:   1232705901 722.315 02 505438   will it work in my car? they both have a mechanical speedometer sensor. a quick response would be much appreciated thanks a bunch -justin Post #: 1

RE: 300d Transmission compatibility? - 5/5/2008 3:47:51 PM    85300dt   Posts: 13 Joined: 5/5/2008 Status: offline They should bolt up fine. Only issue is the vacuum adjustment. (in reply to famicom21) Post #: 2

RE: 300d Transmission compatibility? - 5/5/2008 6:46:07 PM    famicom21   Posts: 10 Joined: 11/15/2007 Status: offline what is the difference? i will just need to adjust something a little differently? (in reply to 85300dt) Post #: 3

RE: 300d Transmission compatibility? - 5/5/2008 8:52:41 PM    85300dt   Posts: 13 Joined: 5/5/2008 Status: offline The vacuum modulator. If the new trans was from a Turbo model, the modulator will have to be adjusted if you have a n/a model. (in reply to famicom21) Post #: 4

RE: 300d Transmission compatibility? - 5/6/2008 8:40:50 AM    famicom21   Posts: 10 Joined: 11/15/2007 Status: offline is this something i could swap onto the new transmission from the old one? (in reply to 85300dt) Post #: 5

RE: 300d Transmission compatibility? - 5/6/2008 8:45:57 AM    famicom21   Posts: 10 Joined: 11/15/2007 Status: offline or... is this what i need to do? http://www.mercedesshop.com/Wikka/Trans722VacMod (in reply to famicom21) Post #: 6

RE: 300d Transmission compatibility? - 5/6/2008 3:27:53 PM    85300dt   Posts: 13 Joined: 5/5/2008 Status: offline On the left side of the transmission (drivers side) there is a round plastic (normally green in colour) modulator with a vacuum line connected to it. What I would do is do the swap and make sure all vacuum lines and linkages are properly connected. Fill the tranmission with fluid, then take it for a short drive. If your shifts are harsh, then there is a "T" knob on the modulator - turn it counter clockwise to soften the shift. If the shift is too soft or feels like it is slipping, then firm up the shift by turining the knob clockwise. Do this in small increments. _____________________________ 85 300DT - 286,000 kms 92 190e 2.3 - 188,000 kms 84 190 w/om616 Turbo (in reply to famicom21) Post #: 7

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