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  #1  
Old 02-12-2004, 10:09 PM
300SDog's Avatar
gimme a low-tech 240D
 
Join Date: Jan 2003
Location: central ky
Posts: 3,602
114/115 steering box..... will it fit the 123??

Just had the suspension peaked and tweaked with expert wheel allignment..... ball joints and tie-rods are good - but steering box is crap. I would rather scavenge junkyard 114/115 box instead of going with another w123 crummy box, even new off the shelf.

Does anybody know if the 114/115 steering box lines up with steering shaft and matches wheel well mounts of the w123??
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  #2  
Old 02-12-2004, 11:44 PM
dieseldiehard's Avatar
Dieseldiehard
 
Join Date: Oct 2002
Location: Bay Area No Calif.
Posts: 4,170
I believe you are SOL, the W115 is I think quite different.
Why would you prefer the 115 box over the 123 box?
I started to go out and look at my W115, I only have three W123 to do a side-by-side comparison, but I suddenly realized my W115 has manual steering :p (as in no power! - I love the way that one steers, just like days of old!)
I suggest you either find a used but fairly low mileage steering box, or have yours rebuilt. I have done both. I was lucky to find a 150K used box. It is tighter than the $300 rebuild I had done last December! FWIW, a good used box is hard to find these days but they are around. I saw a 300d non turbo at a wrecker in San Jose the speedometer showed 46K on it! That would be the steering box to get (provided you believe the readout)!
Dieseldiehard
1971 220 stick
1979 300TD w/ '85 turbo engine
1983 300D
1985 300TD
1987 300D turbo
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'00 E320 (wifes car), '95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!
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  #3  
Old 02-19-2004, 06:15 PM
300SDog's Avatar
gimme a low-tech 240D
 
Join Date: Jan 2003
Location: central ky
Posts: 3,602
Manual steerage is fine by me..... yet later 114/115s had power steering as well. Right now the Bowling Green boneyard has two 116's whose steering gear I'm also thinkin about.

Doing a side-by-side comparison with string for measurement - does it appear to you the distance between shaft splines is close enough..... and how do the mounting bolts compare, hopefully identical.

Am exploring this possibility because i consider the w123 steer gear box to be the worst feature on the car...... have never seen any w123 that didnt have soft and mushy steering.
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  #4  
Old 02-19-2004, 11:06 PM
dieseldiehard's Avatar
Dieseldiehard
 
Join Date: Oct 2002
Location: Bay Area No Calif.
Posts: 4,170
have never seen any w123 that didnt have soft and mushy steering.

You are welcome to drive my '79. It is stiff and responsive. You would then not be able to say that.
OTOH, I would not allow you to critique my'85 300TD, even with its rebuilt box its mushy. Its an embarassment to me because I want it tight as the '79, even though is has lower miles.
I have yet to sort out the reason for this but will keep you posted.
DDH
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'00 E320 (wifes car), '95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!
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  #5  
Old 02-19-2004, 11:13 PM
GermanStar's Avatar
Annelid wrangler
 
Join Date: Apr 2002
Location: Fountain Hills, AZ
Posts: 4,932
You can put a box from a 107, 116, or a 126 into a 123 car, but not a 114/115.
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  #6  
Old 02-19-2004, 11:31 PM
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Location: norte de californie
Posts: 276
from the 123 cd: 46-010

w107 4th, 5th version= w114/115 2nd, 3rd, 4th version=w123 1st version= w116 1st version
no. 765.701

looks like they will work.

don
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  #7  
Old 02-19-2004, 11:55 PM
dieseldiehard's Avatar
Dieseldiehard
 
Join Date: Oct 2002
Location: Bay Area No Calif.
Posts: 4,170
Now that I remember, I believe my '83 300D has a W116 steering box in it. It has a '85 300TD differential I know for certain. For a short time it had a steering wheel out of a W126 that was not the right seat, it used the same spline but instead of a cone seat it had a flat seat for a big nut to hold it down. It looked odd too as I recall.
Anyhow find a tight steering box off a low mileage car (not a W115) and you will be a lucky man!
Changing this is a PITA as far as I am concerned.
DDH
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'00 E320 (wifes car), '95 E320 Wagon my favorite road car. '99 E300D wolf in sheeps body, '87 300D Sportline suspension, '79 300TD w/ 617.952 engine at 367,750 and counting!
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  #8  
Old 02-21-2004, 02:04 PM
300SDog's Avatar
gimme a low-tech 240D
 
Join Date: Jan 2003
Location: central ky
Posts: 3,602
Quote:
Originally posted by notlostmaybe
from the 123 cd: 46-010

w107 4th, 5th version= w114/115 2nd, 3rd, 4th version=w123 1st version= w116 1st version
no. 765.701
looks like they will work.
don
Thanks for the replies everybody...... this is important info for me. Am inclined to run with retro-upgrade later model 114/115 box even though the boneyard has pair of 116's - somehow i just dont trust late '70s steerage box on account of probs I've read while searching this topic here.

I guess it's true what they say about steerage adjustments causing quick wear to gears..... Tightened the adjuster (counter clockwise) 1/4 turn last year and now with recent allignment and new front tires soft handling is isolated at steering box alone - although new Bilsteins would help.

The '79 240D has only 130k miles - but is driven hard on country roads at top speed, wailing around corners cowboy style. Itsa fun car to drive, constantly shifting grears - but am thinkin manual steerage box would improve its handling.

It might sound pitiful but this 123 is the newest car I've ever owned.... meanwhile am still thinkin kingpin Heckflossen 110's have superior handling characteristics with high speed traction feeling of riding on rails.
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'80 300SD/ w116
'79 240D 4-spd
'71 750cc Guzzi

previously owned:

'83 240D 4-spd
'77 280SEL 4-spd
'74 280/8
'72 250/8
'65 220Sb 4-spd
'63 220Sb 4-spd
'63 190c 4-spd
'61 220Sb 4-spd
'60 190b 4-spd
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  #9  
Old 02-21-2004, 03:38 PM
notlostmaybe's Avatar
Registered User
 
Join Date: Oct 2003
Location: norte de californie
Posts: 276
i would think that the 114/115 would be your best bet.
steering box would probably be in better shape because:
these cars are lighter than the 116/123s. they dont roll into
curves like the 116/123s which would add stress to the steering mechinisms . they were slower. 107s are rarer with v8s that broke the subframes and who knows what else. all in all less stress to the box.

in my opinion the 115s take curves and straiteaways better than
the 123s

don

Last edited by notlostmaybe; 02-21-2004 at 03:45 PM.
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