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  #1  
Old 05-23-2011, 05:37 PM
Stretch's Avatar
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W123 300D door retainer question - a CSI dating exercise!

G'day All,

I've just started stripping down the doors on my 300D for a little bit of refurbishment and repainting and I found some "interesting evidence"...

On the driver's side of the car the doors lock mechanisms and door retainers are different from the other side of the car.

Here are two pictures of the driver's side retainers





And here's a picture of the retainer on the other side of the car



The driver's side retainers look like they are a newer design, partly because they look newer, but also because the passenger side retainer looks like it is damaged. There are little wheels that run along the guides inside the retainer these are fitted to a shaft that has appears to be bent.

Question 1:-

Does anyone know when these retainers were upgraded / changed / introduced?

Question 2:-

Which door retainers are best? (I'm guessing the driver's side ones - but I thought I'd check)

At sometime or other it looks as though the driver's side of the car has been treated to replacement doors => look at the paint difference on the inner surfaces



Question 3:-

Could it be that I have copy Mercedes parts on the driver's side?
Attached Thumbnails
W123 300D door retainer question - a CSI dating exercise!-w123-door-retainer-type-b.jpg   W123 300D door retainer question - a CSI dating exercise!-w123-door-retainer-type-b2.jpg   W123 300D door retainer question - a CSI dating exercise!-w123-door-retainer-type-.jpg   W123 300D door retainer question - a CSI dating exercise!-w123-4-doors-stripped-ready-work.jpg  
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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!

Last edited by Stretch; 05-23-2011 at 05:39 PM. Reason: Asked question 3
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  #2  
Old 05-23-2011, 05:40 PM
TheDon's Avatar
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clearly something is up. The door checks/retainers are painted to match the body.
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  #3  
Old 05-23-2011, 07:00 PM
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The driver's side ones are the OEM replacements you would get to replace the color matched originals. I have replaced checks in both cars and the originals are matched, but the replacements look like your DS one. The DS door checks are probably the most frequently replaced b/c they it's the most used door.

So, looks like PO replaced it at some point.
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  #4  
Old 05-23-2011, 07:42 PM
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I've only seen the driver's side version. They existed on my 85TD and I think they were OE. You do need to keep your balls lubricated.
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  #5  
Old 05-24-2011, 03:49 AM
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Thanks for the replies folks

I've also checked in the obvious place

http://catalog.peachparts.com/ShopByVehicle.epc?q=1981-Mercedes--Benz-300d-Body--Mechanical--Trim&yearid=1981%40%401981&makeid=63%40%40MERCEDES+BENZ%40%40X&modelid=6188%3AED|10000132%3AMBC|1503%40%40300D&catid=241766%40%40Body+Mechanical+%26+Trim&subcatid=241812@@Door+Check+-+Front&mode=PD

Silly - I should have done that before.

Anyway the driver's side door retainers are most definitely the copies - $40(ish) compared with $100(ish)
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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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  #6  
Old 05-24-2011, 03:59 AM
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The first 2 doors in your pic are clearly not original to your car.
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  #7  
Old 05-24-2011, 08:20 AM
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Quote:
Originally Posted by layback40 View Post
The first 2 doors in your pic are clearly not original to your car.
Yep that seems to be the case. But I think they are original MB replacements. Someone spent a lot of money getting this car back together again. I think it was probably in an accident as the sill also has evidence of non factory fitment!

The sill and floor pan fix explains my wonky driver's seat =>

W123 wonky driver's seat

I was worried about chassis alignment last year so I checked and checked this several times =>

How I adjusted the toe in / out, camber and caster on my W123 300D
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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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  #8  
Old 05-24-2011, 12:59 PM
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I have parted several w123s but I have never come across the style of door check you had in your right door. But all the cars I worked on were 1980 or later. Possibly that's an early production part?
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  #9  
Old 05-24-2011, 02:14 PM
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Quote:
Originally Posted by Zacharias View Post
I have parted several w123s but I have never come across the style of door check you had in your right door. But all the cars I worked on were 1980 or later. Possibly that's an early production part?
Thanks for the input - mine is a 1981... from the link I posted to fastlane (above) you can see that these types are the original


Compared with my dirty one from the back door

__________________
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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  #10  
Old 05-24-2011, 02:49 PM
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Wow, that means every one I've pulled out had been replaced. Guess it makes sense given the age of these cars, I just never thought about it.

BTW, the first time I read the subject line for this thread I thought you were going to give tips on dating a CSI... I used to have this thing for Helgenberger (Willows) but I decided she's too into the baddies LOL.

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2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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  #11  
Old 05-24-2011, 02:53 PM
Stretch's Avatar
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Quote:
Originally Posted by Zacharias View Post
...
BTW, the first time I read the subject line for this thread I thought you were going to give tips on dating a CSI... I used to have this thing for Helgenberger (Willows) but I decided she's too into the baddies LOL.

Off topic indeed - that's no problem (I'm always off on a tangent) but shame on you for not posting a picture =>

__________________
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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  #12  
Old 05-24-2011, 03:17 PM
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Away, evil one!

Actually I had a bigger thing for Sofia Curtis, the Brit who played the LV CSI turned detective....

http://www.aceshowbiz.com/news/view/00038901.html
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Mac
2002 e320 4matic estate│1985 300d│1980 300td
Previous: 1979 & 1982 & 1983 300sd │ 1982 240d

“Let's take a drive into the middle of nowhere with a packet of Marlboro lights and talk about our lives.” ― Joseph Heller, Catch-22
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  #13  
Old 05-24-2011, 05:38 PM
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I think these are early versions. I only seen these on 1976-1977 vehicles.





Regarding your doors, If they are factory manufactured pre-81, the corrosion protection is not as good as the after '81 parts.



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  #14  
Old 05-24-2011, 06:41 PM
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Quote:
Originally Posted by Army View Post
Off topic indeed - that's no problem (I'm always off on a tangent) but shame on you for not posting a picture =>

I'd hit that!
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  #15  
Old 05-25-2011, 01:20 AM
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I bought a new door check strap from my MB dealer, and the one I got were the ones you pulled from the driver door



What's the part number stamped on this one?

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