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  #1  
Old 10-03-2011, 01:14 AM
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incompatible door checks

I talked my wife into dropping me off at the junkyard yesterday while she and the kids ran some errands. I had about an hour to work, so during that time I figured I would pull all the door checks off an '82 300SD, which I assumed would be compatible with my '83 240D. Not so. To my disappointment, I realized when I pulled one of my busted checks tonight, they are slightly different. You can see in the picture how the end tab on the 240D check is bent - which fits with the way the door metal is pressed on that model. I thought about trying to put one of the 300SD ones in the vice and bending, but I don't think that would go so well. Seems like there are several versions of these checks floating around out there. Maybe I'll have to buy some new aftermarkets; I was just hoping to snag some originals that still worked well.

If anyone is interested, I'll be posting them for sale in the parts section. I also grabbed two vacuum elements for the door locks.

On the high note of the day, I also grabbed the wires I needed for the radio. The PO of my 240 had cut the wires to install a different head unit. He then pulled the other stereo and slid the original Becker back in for the sale. Unfortunately, the original wiring harness didn't get returned with the stereo. That's taken care of now. . . . let's jam!

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incompatible door checks-door-checks-4.jpg  
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'95 E300D ("Tank") - 231,000 miles
'79 240D ("Biscuit") - 197,250 miles (Sold)
'83 240D ("Ding-Ding") - 217,000 miles (Death by deer)
______________________________________

"Back off, man. I’m a scientist” ~ Peter Venkman

Last edited by tankowner; 10-12-2011 at 02:45 AM.
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  #2  
Old 10-03-2011, 03:21 AM
Stretch's Avatar
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Nice bit of information that - can you find any part numbers on them?

(I don't think they are printed on them but well - hey - you never know)
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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #3  
Old 10-03-2011, 12:57 PM
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Join Date: May 2010
Location: DC Metro/Maryland
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Quote:
Originally Posted by tankowner View Post
I talked my wife into dropping me off at the junkyard yesterday while she and the kids ran some errands. I had about an hour to work, so during that time I figured I would pull all the door checks off an '82 300SD, which I assumed would be compatible with my '83 240D. Not so. To my disappointment, I realized when I pulled one of my busted checks tonight, they are slightly different. You can see in the picture how the end tab on the 240D check is bent - which fits with the way the door metal is pressed on that model. I thought about trying to put one of the 300SD ones in the vice and bending, but I don't think that would go so well. Seems like there are several versions of these checks floating around out there. Maybe I'll have to buy some new aftermarkets; I was just hoping to snag some originals that still worked well.

If anyone is interested, I'll be posting them for sale in the parts section. I also grabbed two vacuum elements for the door locks.

On the high note of the day, I also grabbed the wires I needed for the radio. The PO of my 240 had cut the wires to install a different head unit. He then pulled the other stereo and slid the original Becker back in for the sale. Unfortunately, the original wiring harness didn't get returned with the stereo. That's taken care of now. . . . let's jam!
I've noticed the same thing at yards. Be careful though I just bought two Meyle door checks and the pin that connects the arm to the door jam doesn't fit in the hole. I think I'm gonna have to go OEM or get lucky at a PnP.
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1984 300D "Elsa" odo reset 6/2011 147k
1983 300TD "Mitzi" ~268k OM603 powered
1995 E300 "Adelheid" 262k [Sold]
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  #4  
Old 10-03-2011, 01:29 PM
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Quote:
Originally Posted by Army View Post
Nice bit of information that - can you find any part numbers on them?

(I don't think they are printed on them but well - hey - you never know)
No, there are no part numbers printed on these (at least that I can find). However, there are some numbers stamped on the straps; I will post some pics later tonight. Looking at the numbers, I've realized another incompatibility that will actually make looking for compatible checks easier next time I am at the junkyard.

On the straps there are two sets of numbers. The first appears to be the manufacture date. All of the '82 300SD straps have "02 82" stamped on them (well, except for one that has "01 82") which must be the manufacture date in MM YY format. My '83 have "04 83" stamped on the strap.

The second number is the length of the strap from the center of the furthest ball stop position to the center of the hole for the pin. The '82 300SD checks are stamped 100 mm. From what I can make out from my busted '83 240 check, the strap appears to be stamped 95 mm - which is the measurement I get on that dimension when I piece it back together (strap is busted in two).

I'll pull one of the good door checks off my '83 tonight and get some pics to post.
__________________
'95 E300D ("Tank") - 231,000 miles
'79 240D ("Biscuit") - 197,250 miles (Sold)
'83 240D ("Ding-Ding") - 217,000 miles (Death by deer)
______________________________________

"Back off, man. I’m a scientist” ~ Peter Venkman
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  #5  
Old 10-03-2011, 01:34 PM
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Quote:
Originally Posted by martureo View Post
I've noticed the same thing at yards. Be careful though I just bought two Meyle door checks and the pin that connects the arm to the door jam doesn't fit in the hole. I think I'm gonna have to go OEM or get lucky at a PnP.
Yeah, I saw your post which made me wary of buying some aftermarket checks. Thanks for the info.

I know others have posted the warning before, but keep these checks lubed up!!! The '82 300SD ones I pulled are nice and smooth, by comparison my busted 240 checks are dry. I think I am going to deconstruct one of these busted ones to see all the components and understand better the best way to keep them fresh and lubed.
__________________
'95 E300D ("Tank") - 231,000 miles
'79 240D ("Biscuit") - 197,250 miles (Sold)
'83 240D ("Ding-Ding") - 217,000 miles (Death by deer)
______________________________________

"Back off, man. I’m a scientist” ~ Peter Venkman
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  #6  
Old 10-03-2011, 01:39 PM
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Posts: 3,540
I have straightened/bent ( cannot remember which way ) the door checks and they all fit. I believe they are all compatible as long as the mounting holes are in the right place.

However, you will be the final judge.
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  #7  
Old 10-03-2011, 01:46 PM
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...like a shield of steel
 
Join Date: Sep 2009
Location: Somewhere in the Netherlands
Posts: 14,461
I've posted some pictures of my door retainers here

W123 300D door retainer question - a CSI dating exercise!

I had these newer ones fitted on one side of the car





But on the other (non accident damaged side) I had these



The older type number is 123 730 00 16

It is worth looking at MBeige's post in the thread above... this one=>

W123 300D door retainer question - a CSI dating exercise!

In which he says the newer version of the older retainer are

123 730 03 16 back
123 720 05 16 front
__________________
1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #8  
Old 10-04-2011, 12:48 AM
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Location: Out in the Boonies of Hot, Dry, Dusty, Windy Nevada
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Army,They still list those old style on Fast Lane. Part# W0133-1617899 for the rear doors. chassis# 000000 to 258174 for the 80 240D and 000000 to 242529 for the 80 300D. list for $89.77.



I replace a broken old style to a new style on my 240D.

some at PNP have no idea what they are. some think they are a hinge and others call it a striker. as I remember a striker is $2.50 and a hinge in $10.
convince them it is a striker.

Charlie

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Anyone that thinks a 240D is slow drives too fast.

80 240D Naturally Exasperated, 4-Spd 388k DD 150mph spedo 3:58 Diff

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