73 SLC rear electric window adjustment

1971-1989: 280SL, 280SLC, 300SL, 350SL, 350SLC, 380SL, 380SLC, 420SL, 450SL, 450SLC, 450SLC 5.0, 500SL, 500SLC, 560SL
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NZJasonT
B Class
Posts: 17
Joined: Sat 06 Jan, 2018 5:41 pm
Model you own: w108
Location: Auckland NZ

73 SLC rear electric window adjustment

Post by NZJasonT » Mon 14 May, 2018 5:45 pm

Anyone know how to adjust a sticking rear electric window?

I’ve had the entire regulator out cleaned it all up and lubricated it. The glass is firmly held in its rubber and metal base frame, so loose glass isn’t the issue, the motor works fine and window goes down about 2 inches then jams.

With a bit of downward pressure from the top of the glass and the switch pressed the window goes all the way down but it doesn’t want to do this without help

The fact that it does go down and up with help suggests to me it’s an adjustment that’s needed, but I cannot figure It out

I cannot be the only person that’s suffered this frustration, ...?
1971 W108 280se 2.8
1973 W107 450 SLC

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Tony From West Oz
OZBENZ moderator
Posts: 3174
Joined: Mon 20 Jun, 2005 10:04 pm
Model you own: w202
Location: Bedfordale WA

Re: 73 SLC rear electric window adjustment

Post by Tony From West Oz » Mon 14 May, 2018 11:31 pm

Based on my W123 Coupe experience:
Some times the regulator mechanism bends a little and causes the window to get stuck on its way down.
The fix is to replace the regulator mechanism.
Hope this helps,
Tony
Life is a journey, with problems to solve, lessons to learn, but most of all, experiences to enjoy.

'83 W123 300D 325000km (Wife's car Josephine - sold).
'84 W123 300D replaced good OM617 912 with OM617 952 and enjoyed having good acceleration for the first time since first driving a 300D in 2002 - became engine and trans donor for 300CD Turbodiesel conversion. Now parted out.
'86 W124 300D sold (Wife's old car - sold )
'85 W123 300CD, 275 000km (Fatmobile) rebuilt turbodiesel from previous Fatmobile transplanted into 280CE (occasional tourer)
'99 W202 C250 Turbodiesel (my darling Wife's car - Sold)
'98 W202 C250 Turbodiesel (my car - Sold)
'06 Ssanyong Musso Crew Cab 2WD Ute (OM662 diesel and Auto Transmission)

NZJasonT
B Class
Posts: 17
Joined: Sat 06 Jan, 2018 5:41 pm
Model you own: w108
Location: Auckland NZ

Re: 73 SLC rear electric window adjustment

Post by NZJasonT » Tue 15 May, 2018 4:54 pm

Thanks Tony - I was wondering if it could be bent out of shape or damaged somehow by PO

I’ll pull both sides on the weekend and compare

Cheers

Jason
1971 W108 280se 2.8
1973 W107 450 SLC

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