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  #1  
Old 09-08-2007, 06:38 PM
777funk's Avatar
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Join Date: Dec 2006
Posts: 955
Sunroof won't open/close and leaks where are the drains?

I have just started driving my 300d after lots of R+R and more to go yet. But we loaded up the kids and started off for a 30 minute drive and backing out of the driveway my newborn baby got about a cup of water spilled on his face from the sunroof (sliding roof) corner nearest the rear drivers side.
OUCH! I wouldn't have cared as much if it were me

Anyways, the roof looks like it's closed but it must not be sealing well.

Also, I'm not at all familiar with the MB sunroof's. I've searched and saw a thing or two about cleaning drains. Is the sunroof designed to not seal completely? I just wonder why there are drains if it's supposed to seal?

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-Suburban '93 220k
-Diesel Jetta '03 350k

Sold
--E320 '95 200k
-E320 Wagon 1994 155k
-300d Turbo '87 187k miles
-E320 1994 200k
-300d Turbo '84 245k (sold to Dan62)
-300d Turbo '84 180k
-300sd '80 300k
-7.3 Powerstroke Diesel 15P Van 500k+ miles
-190d '89 Non Turbo 2.5 5cyl 240k (my first MB)
Tom's Imports of Columbia Missouri Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's!
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  #2  
Old 09-10-2007, 12:01 AM
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Location: Old Lyme, Connecticut
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First, the sunroof doesn't "seal" water out. The design is such that the sunroof openning in the outer roof is larger than the openning in the inner roof. The openning in the inner roof is "sealed" by about a quarter to half inch high "cofferdam" or raised surface relative to the surrounding area. The surrounding area is then sloped to collect and direct water leaking into the space between the inner and outer roof down a small drain hole in each A pillar and then out a sizeable drain line that goes down each "C" pillar in the rear. The front drains run out in front of the doors and the rear ones run out in the rear wheel wells, I believe.

A vacuum line of about 3' length works fine for clearing the front ones, which are located right up in the front corners of the inner openings. The rear ones are not anything I have seen. But they are not usually the ones that are clogged.

Good luck and I hope this helps. Jim
__________________
Own:
1986 Euro 190E 2.3-16 (291,000 miles),
1998 E300D TurboDiesel, 231,000 miles -purchased with 45,000,
1988 300E 5-speed 252,000 miles,
1983 240D 4-speed, purchased w/136,000, now with 222,000 miles.
2009 ML320CDI Bluetec, 89,000 miles

Owned:
1971 220D (250,000 miles plus, sold to father-in-law),
1975 240D (245,000 miles - died of body rot),
1991 350SD (176,560 miles, weakest Benz I have owned),
1999 C230 Sport (45,400 miles),
1982 240D (321,000 miles, put to sleep)
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  #3  
Old 09-10-2007, 09:28 AM
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Join Date: Jun 2007
Location: new braunfels, TX
Posts: 290
There is a hand crank in the trrunk, to operate the sunroof. Did your R&R include lubing the sunroof. A little grease goes a long way in getting/keeping a sunroof operating. Open your sunroof, clean the drains as descibed in the previous post, use an authorized sunroof grease and if everything is mechanically smooth, start troubleshooting the electrics. LOL
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1983 300D Daily Driver







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  #4  
Old 09-10-2007, 09:49 AM
777funk's Avatar
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Join Date: Dec 2006
Posts: 955
I have the lifting arm on the pass. side out. It was cracked. Also there are some other parts that connect to that which are out due to the lifting arm being out of place. So... if I can get it all apart I'll be doing some JB. weld on these old parts.

__________________
-Suburban '93 220k
-Diesel Jetta '03 350k

Sold
--E320 '95 200k
-E320 Wagon 1994 155k
-300d Turbo '87 187k miles
-E320 1994 200k
-300d Turbo '84 245k (sold to Dan62)
-300d Turbo '84 180k
-300sd '80 300k
-7.3 Powerstroke Diesel 15P Van 500k+ miles
-190d '89 Non Turbo 2.5 5cyl 240k (my first MB)
Tom's Imports of Columbia Missouri Ruined the IP in changing leaky delivery valve O-Rings - Refused to stand behind his work. Mid-MO MB drivers-AVOID Tom's!
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