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  #1  
Old 10-08-2008, 12:17 PM
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Fuel Tanks...Interchangeable?

I asked this question in another thread, but I didn't get a response. I think it got lost in the shuffle.

I've got an '86 300SDL that I want to put a new fuel tank in. I'm finding tanks from other w126 models including gassers. What models had the same tank as my 300SDL?

Thanks.
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  #2  
Old 10-10-2008, 11:18 AM
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Anyone? I've got lines on fuel tanks, but no idea if they will work. Are all 126 tanks created equal?

Thanks.
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1986 300SDL

Last edited by Togorashi; 10-10-2008 at 12:23 PM.
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  #3  
Old 10-10-2008, 01:02 PM
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The tank is bolted on each side with wings. You should be OK with a Diesel tank. A gasser tank fuel lines may not match to the holes in the trunk floor. A 126 "L" is longer in the middle so you should be fine as long as you stick to a Diesel.
So why do you need a new tank?
Regards
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1979 300sd (283,000+) Road Trips
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  #4  
Old 10-10-2008, 01:04 PM
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Ok. Thanks for the info. Most of the tanks I'm finding are from gassers, but I do have a line on a 84 SD tank. Sounds like it will work just fine.

Here is the thread about why I need a new tank. Rusty Fuel Cap
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  #5  
Old 10-10-2008, 01:32 PM
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I have a tank from a 116 300SD. I know the 116 tanks are a bit bigger than the 126 81-85 but not sure about the SDLs. If you find it will work and are interested pm me.

Good luck!
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  #6  
Old 10-10-2008, 01:57 PM
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gone but NOT forgotten

Your thread has been buried, but I have not forgotten. Since I own a 300SDL, I was planning on driving it out to where the 300SD parts car sits and compare the tanks. Maybe I'll take my tape measure with me, too.
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  #7  
Old 10-10-2008, 02:45 PM
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Quote:
Originally Posted by daw_two View Post
Your thread has been buried, but I have not forgotten. Since I own a 300SDL, I was planning on driving it out to where the 300SD parts car sits and compare the tanks. Maybe I'll take my tape measure with me, too.
Wow, that would be great! Thanks for thinking of me
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  #8  
Old 10-10-2008, 03:25 PM
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I have a extra Lg tank out of a 126SD that I thought would fit my 116Sd but it won't work. It's apx. 30(?)gals with sender, filler neck etc.. If you want. I'll bump it up under parts as I can't seem to re-post the pictures.
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1979 300sd (283,000+) Road Trips
1983 240D 4-speed (350,000+) Daily Driver
1967 E-TypeS1 in bits and pieces
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  #9  
Old 10-10-2008, 04:23 PM
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Quote:
Originally Posted by Togorashi View Post
Wow, that would be great! Thanks for thinking of me
Adding your location to your profile would let us know where you are located.
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Germantown, TN

Links:
Current Car --- 05/2012 1984 300D Light Ivory, Red interior
Cluster Needles Paint
New Old Stock (NOS) parts

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04/2010 1965 190D(c) "Ben"
& many more
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  #10  
Old 10-10-2008, 07:00 PM
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shucks! The w126 parts car is a gasser. Sorry. There is a 300SD in the boneyard though. Some of the boneyards punch holes in the tanks to drain --- hate it when they do that. I personally like to drain them and keep the "good" diesel.
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daw_two
Germantown, TN

Links:
Current Car --- 05/2012 1984 300D Light Ivory, Red interior
Cluster Needles Paint
New Old Stock (NOS) parts

Past:
3/2008 1986 300SDL "Coda"
04/2010 1965 190D(c) "Ben"
& many more
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  #11  
Old 10-11-2008, 12:45 AM
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Quote:
Originally Posted by daw_two View Post
Some of the boneyards punch holes in the tanks to drain --- hate it when they do that. I personally like to drain them and keep the "good" diesel.
You can also take the "new" tank to a good shop and have the holes welded if you can find a good deal on one.
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  #12  
Old 10-11-2008, 08:28 AM
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I'm not sure in all cases but a few months ago, I replaced the tank in a 87 SDL with one from a 83 380SEL. It fit fine. I did change the tank screen because the one in the SDL was a little different inside the tank but the same outside. They both had the same lines, all the same size and was no problem at all.

EDIT: Oh, I did have to remove the tank restricter from the 83 tank but that wasn't a big deal.
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  #13  
Old 10-11-2008, 11:04 PM
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Quote:
Originally Posted by pmckechnie View Post
I'm not sure in all cases but a few months ago, I replaced the tank in a 87 SDL with one from a 83 380SEL. It fit fine. I did change the tank screen because the one in the SDL was a little different inside the tank but the same outside. They both had the same lines, all the same size and was no problem at all.

EDIT: Oh, I did have to remove the tank restricter from the 83 tank but that wasn't a big deal.

Cool. Well if a gasser 126 tank can work, then I'm sure the diesel 126 tanks I'm looking at will be fine.
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