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Car Forum / Mercedes-Benz Cars / October 20061990 560 SEC Heating Ac Control Unit
Question ! Will the AC control unit from a Generation 1 W126 ( 81-85 ) Chassis work on my Gen 2 --- avast! Antivirus: Outbound message clean. Virus Database (VPS): 0641-3, 10/12/2006 Tested on: 10/18/2006 12:46:50 AM avast! - copyright (c) 1988-2006 ALWIL Software. http://www.avast.com >Question ! >Will the AC control unit from a Generation 1 W126 ( 81-85 ) Chassis work >on my Gen 2 They're different parts. Slightly different shape. Without looking at the schamatics I'd guess electrically they're the same but that is in fact a guess.  SignatureNeed Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net NO. 81-85 has a separate blower control unit and separate temp control unit. 86 up pushbutton unit does not have them externally. > Question ! > Will the AC control unit from a Generation 1 W126 ( 81-85 ) Chassis work [quoted text clipped - 6 lines] > avast! - copyright (c) 1988-2006 ALWIL Software. > http://www.avast.com >NO. > >81-85 has a separate blower control unit and separate temp control unit. > >86 up pushbutton unit does not have them externally. Yabbut ya know what? The facia plate for both has the same part number so I suspect the spacing is exactly the same and knowing Mercedes (and the complexity of those circuits) It wouldn't surprise me if they left well enough alone and that the two connectors actually fit and worked. Has anybody actually tried this? SignatureNeed Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net When I was looking for one for my 87 300SDL (US market), I was told by the recycler 85 and earlier won't work. >>NO. >> [quoted text clipped - 9 lines] > > Has anybody actually tried this? >When I was looking for one for my 87 300SDL (US market), I was told by >the recycler 85 and earlier won't work. He might be right. SignatureNeed Mercedes parts? http://parts.mbz.org Richard Sexton | Mercedes stuff: http://mbz.org 1970 280SE, 72 280SE | Home pages: http://rs79.vrx.net 633CSi 250SE/C 300SD | http://aquaria.net http://killi.net >> When I was looking for one for my 87 300SDL (US market), I was told by >> the recycler 85 and earlier won't work. > > He might be right. Thanx for all your input guys, I was able to find a remanufactured unit out of an 88 for 67.50. Hope this and a new monovalve insert will cure all of my heating and AC problems. I think it depend on the model and the market they were sold in new. I've seen both generations with either system. > NO. > [quoted text clipped - 12 lines] >> avast! - copyright (c) 1988-2006 ALWIL Software. >> http://www.avast.com |
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