I know I saw a thread around here that detailed how to correct a slow moving window. I have an SDL with a cranky passenger rear window that needs to be cleaned (I think). If I don't clean it, I think the regulator goes out?

Any way, could some one point me to the thread that details how to handle this situation (if one exists)?

I did look through the DIY section but it was not there (at least that I could see).

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86 300 SDL - Vesuvius

96 SL 500

Assumption is the mother of all screw ups.

Do not go gentle into that good night. Rage, rage against the dying of the light. - Dylan Thomas

All that is necessary for the triumph of evil is that good men do nothing - Edmund Burke

Have you been inside the door yet to see if the regulator is broken worn?

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BENZ THERE DONE THAThttp://www.peachparts.com/shopforum/...c/progress.gif
15 VW Passat TDI
00 E420
98 E300 DT
97 E420 Donor Car - NEED PARTS? PM ME!
97 S500
97 E300D
86 Holden Jackaroo Turbo D
86 300SDL
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No, I have not. I saw the write up on how to remove the door panel in the DIY section. I can do that and examine the regulator.

How would I know if it is broken or worn?

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86 300 SDL - Vesuvius

96 SL 500

Assumption is the mother of all screw ups.

Do not go gentle into that good night. Rage, rage against the dying of the light. - Dylan Thomas

All that is necessary for the triumph of evil is that good men do nothing - Edmund Burke

Not sure about "slow" motors but if you open it up you can check on a couple of things. Make sure the nuts are tight and holding the regulator in place properly. Check the condition of the plastic bushing that connects the regulator arm to the channel on the base of the window. You can usually see the grease on the regulator and you can dip your pinky into the window guide channel to see if its still gooey.

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1981 300TD
2005 C55
2004 E500
1999 ML430
1992 400E
1998 C43
2001 SL500
1988 300SEL
1986 190E 16V
1991 190E 2.6

I do slow windows a number of times. It can be a number of reasons.

1) slow going up or going down? If it is real slow going up then more lightly is the motor brush.
2) Pitted window switch. Any difference between door switch and driver's master switch. If no different then not the switch.
3) If it is not (2) then you need to open up the panel and check the mechanism and motor.
4) The mechanism is held in place by 3 bolts. Get one from a junk yard it is good to go. Any SDL, SEL would do.

Good luck.

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Not MBZ nor A/C trained professional but a die-hard DIY and green engineer. Use the info at your own peril. Picked up 2 Infractions because of disagreements. NOW reversed.

W124 Keyless remote, PM for details. http://www.peachparts.com/shopforum/mercedes-used-parts-sale-wanted/334620-fs-w124-chasis-keyless-remote-%2450-shipped.html

1 X 2006 CDI
1 x 87 300SDL
1 x 87 300D
1 x 87 300TDT wagon
1 x 83 300D
1 x 84 190D ( 5 sp ) - All R134 converted + keyless entry.

The attached picture is of a motor from my 83. I don't know if they are the same but in the picture you can see the bushings/ bearings, these get dry and can start slowing the motor. If you get into it this far try lubing these bushings and see what that does, it solved my slow window problem. On mine one of the bushings was frozen to the shaft so the entire bushing was turning.

Attached Thumbnails

 

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1983 300SD
200000miles