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Old 12-31-2002, 11:54 AM
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Join Date: Dec 2002
Posts: 154
W140 - updating climate control push button

Hey guys,

Great site you have here. I was wondering if anyone has ever updated their climate control head unit from the old 3 face style to the newer one face plate unit. Are the rear plugs the same? I imagine they are but I have never seen the back of a newer unit. Also, I will need to replace the center wood sonsole from the two piece style to the one piece style. Has anyone ever attempted this job? I can find all these pieces easily on ebay for under $200 so I am eager to do the job if possible. Thanks in advance for your help.

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Old 01-01-2003, 01:27 PM
JimF's Avatar
'94 S500: only 793 sold!
Join Date: Mar 2001
Location: San Diego, CA
Posts: 1,924
. . . . me too!

I often thought about replacing the center console with a one piece unit but that's all I've done: just think about it.

The first thing that pops into my mind, is the connectors just will not plug into the newer ones??? And even if they do by some miracle, the signals will be different (ie; scrambled)???

But it certainly sounds like a good project, so good luck! Keep us posted.

PS: get a good wiring diagram first before you start!
Regards . . . . JimF
'94 S500 Cpe

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Old 01-02-2003, 08:09 AM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The wiring is completely different! Also the later version must "TALK" with the instrument cluster & Fuel sytem computer for info.
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