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  #1  
Old 03-09-2010, 08:59 PM
JHZR2's Avatar
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Coupe Doors Sagging

Hello,

I dont think that my 82 doors are saggy, but I recall reading here long ago that this can be common. makes sense with the very long doors. Since my coupe will see a lot of use, I want to be proactive about it. I tried to search but didnt seem to find much pertaining to coupes or situations beyond when somebody replaces the door (likely for rust).

How do you prevent door sag? I assume it is related to hinge wear (so long as nothing is damaged and the frame is straight), so one should oil the hinges regularly.

If one does see some sag, what is the right way to adjust for it?

Are 123 coupes prone to this?

Thanks for the insight!

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Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (113k)
1991 350SD (206k)
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1993 300SD (291k)
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Past Diesels:
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  #2  
Old 03-09-2010, 09:03 PM
79Mercy's Avatar
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I have not seen any W123 with door sag. Now if new doors were fitted they might not line up like the originals.

Old GM coupes were known for this, cheap hinges were the problem, something MB's don't have.
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1985 300TD Turbo Euro-wagon
1979 280CE 225,200 miles
1985 300D Turbo 264,000 miles
1976 240D 190,000 miles
1979 300TD 220,000

GONE but not forgotten
1976 300D 195,300 miles
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  #3  
Old 03-09-2010, 11:37 PM
JHZR2's Avatar
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Well that is good to know. I could have sworn that I read someplace on here that the coupes were prone to it due to the long heavy doors.

Still, I would assume that MB has a preferred way to lube, either with oil or grease, etc. Is there a recommendation?
__________________
Current Diesels:
1981 240D (73K)
1982 300CD (169k)
1985 190D (169k)
1991 350SD (113k)
1991 350SD (206k)
1991 300D (228k)
1993 300SD (291k)
1993 300D 2.5T (338k)
1996 Dodge Ram CTD (442k)
1996 Dodge Ram CTD (265k)

Past Diesels:
1983 300D (228K)
1985 300D (233K)
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  #4  
Old 03-10-2010, 09:06 AM
vstech's Avatar
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there is a grease fitting in each hinge for the needle type grease gun.
I'd put some moly or synthetic grease in there.
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  #5  
Old 03-10-2010, 11:22 AM
toomany MBZ's Avatar
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Nothing in the FSM about front door adjustments.

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