I'd like to convert the front windows in my 88 300CE so that they open all the way with a single touch, like the later models do. Is this a simple matter of changing to an appropriate switch or is there more to it?

Thanks,
Mark

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1994 E500 199/Gray 82k
84 300D (Salty) Orient Red/Palomino 141k
88 300CE (Ersatzhammer) 904/Java 163k -- Turbo Technics twin turbo kit, AMG Gen I body kit, Sportline steering box and steering wheel, Sportline/Eibach /Bilstein Sport/500E suspension, Quaife LSD in 210 mm diff case, Silver Arrow brakes.
88 300CE Brabus 3.6 199 on Black 44k

There's more to it - that one-touch feature is computer controlled. The computer tells the motor to stop when the glass reaches the bottom; otherwise, the motor would always be energized. I don't think there's a quick mod for this, maybe I'm wrong...

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08 W251 R350
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91 W124 300E
86 W126 560SEL
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85 W126 380SE Cranberry
79 W123 250
78 W123 280E
75 W114 280

I remember reading that there was a way to modify the rocker switch which disabled the the return spring. The downside was that you had to manually stop the motor by manually returning the switch to the center position . . . far from optimum.

There are kits that convert existing power windows to "one touch" up & down. They also have a safety feature which stops the motor if there's an obstruction, such as fingers. Typically, the units only convert a pair of windows, so if you want to do four windows, you'll need to buy a pair.

Spill cola in the switch, it will stick for you.

Seriously, the later cars have a different "convenience module" electronics for the windows.

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I love the one-touch windows.....I need to replace my switches though, as they both only work on the one-touch command....they are intermittent on the manual mode. Probably dirty or worn out. Perhaps I will try disassembling and cleaning them.

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The later cars have a completely different wiring harness, additional control electronics, and of course the different switches in the console. I'm not sure if the window motors and mechanisms are the same or different. Frankly, if you really want this feature it would easier and cheaper to sell your car and buyer a later model year.

Actually, I found a relay from a company called AutoLoc which does one-touch up and down. You need one for each switch you want to convert. Depending on where you buy them, they run $20-30 apiece. Looks like an easy installation.

__________________
I never go far without a little Big Star

1994 E500 199/Gray 82k
84 300D (Salty) Orient Red/Palomino 141k
88 300CE (Ersatzhammer) 904/Java 163k -- Turbo Technics twin turbo kit, AMG Gen I body kit, Sportline steering box and steering wheel, Sportline/Eibach /Bilstein Sport/500E suspension, Quaife LSD in 210 mm diff case, Silver Arrow brakes.
88 300CE Brabus 3.6 199 on Black 44k

We installed two of the kits on a 201 and they have worked work fine for the last four years but it is a little fiddly figuring out the wiring as the merc switches (if I remember correctly) have five wires and control the window motors through ground. The kits are available on eBay:

http://cgi.ebay.com/ebaymotors/AUTOLOC-ONE-TOUCH-EXPRESS-POWER-WINDOW-CONTROL-MODULE_W0QQitemZ180372829083QQcmdZViewItemQQptZMotors_Car_Truck_Parts_Accessories?hash=item29ff0ef39 b&_trksid=p4506.c0.m245&_trkparms=65%3A12|39%3A1|72%3A1171

Regards,
bobf.

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2.3-16:ROTREXsupercharger;water/air intercooler;Megasquirt EFI/EDIS/COP;2.5-16cams&exh manifold;3"exh;YellowSpeedRacing adjustable suspension kit all round;28mm ARB front,22mm rear;C32 brakesfront,AmgCl55alloyrear;500e servo/mstr cyl;RDMTEKstrut towers;Speedtek camberarms rear;nylonsubframe bushes;Poly-u bushes front&rear,SPEC lightened pressure plate;manual locking 3.07ASD diff;short shift gear change;215 front,235X40X17 rear,EVO8.25 rims

Bobf -

Do you have any recommendations/guidance for the installation?

Thanks.

__________________
I never go far without a little Big Star

1994 E500 199/Gray 82k
84 300D (Salty) Orient Red/Palomino 141k
88 300CE (Ersatzhammer) 904/Java 163k -- Turbo Technics twin turbo kit, AMG Gen I body kit, Sportline steering box and steering wheel, Sportline/Eibach /Bilstein Sport/500E suspension, Quaife LSD in 210 mm diff case, Silver Arrow brakes.
88 300CE Brabus 3.6 199 on Black 44k