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Old 05-15-2009, 01:32 AM
Squiggle Dog's Avatar
Join Date: Jul 2008
Location: Surprise, AZ, USA
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Difference In W114 And W115 Radiators?

I have a 1967 230S fintail that I placed an 0M617.95 turbo diesel engine into. I am trying to find a good Mercedes radiator/oil cooler combination to install in the vehicle. The opening on the body where the radiator goes is somewhat narrow (between 59-60cm).

When I was at Pull-A-Part I saw a 220 Diesel, automatic, no AC (looked like a W114 or W115 body style--I think I remember it being a 1969) and measured the opening where the radiator and oil cooler went. It was 60cm wide, so they would fit my car if someone hadn't already bought them. I figured I could cut out the part of the body where the radiator attaches with the rubber donuts and then bolt them in place on my car as an adapter of sorts (because on my fintail the sides are flat and the radiator is held on with bolts).

Anyway, that car went bye-bye and there were 2 240Ds brought in (one was automatic, the other manual, both had AC--both 1974s, I think). I was excited and ready to pull a radiator/oil cooler assembly and discovered both of them were wider (about 65cm) than the last car I saw! So, they would be too wide for my fintail.

Today there was a 220 Diesel there (a 1973, I think, manual, no AC) and I was all excited for the radiator/oil cooler and when I measured them they were also 65cm wide! So, I wonder--do the early 220 Diesels have a more narrow radiator/oil cooler opening than the later models?

Makes you think...

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Old 05-15-2009, 08:57 AM
pizzachef's Avatar
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Location: New Cumberland, PA
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I can measure mine today ('74) if you'd like another reference, but I think you've got the consensus of the later models.

This is off topic, but did any of those 115's have a right-side mirror?
1985 300TD-euro 352,000 mi
1974 240D (1?)52,000 mi - has a new home now
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Old 05-15-2009, 10:13 AM
JimFreeh's Avatar
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Location: Hampton Roads, Virginia
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W114 and W115 use the same metal on the front clip.

But wait, there's more...

When the car was modified for the huge ram bumpers, the front end was changed. In addition to the bumpers, the front fenders, hood, grille and radiator support were changed.

This occurred for the 74 model year.

Not relevant to this question, but... The 73 models also incorporated many other changes that differentiate them from the earlier cars.

Also, bear in mind that the diesel radiators will have different hose locations on the tanks, and generally do not interchange with gasoline models.

14 E250 BlueTEC black. 45k miles
95 E320 Cabriolet Emerald green 66k miles
94 E320 Cabriolet Emerald green 152k miles
85 300TD 4 spd man, euro bumpers and lights, 15" Pentas dark blue 274k miles
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Old 05-15-2009, 11:18 AM
Squiggle Dog's Avatar
Join Date: Jul 2008
Location: Surprise, AZ, USA
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I think one of the 1974s had a right side mirror (the bulky remote mirrors like the later W116s have).

I am thinking the early ones had a more narrow front clip and used a more narrow radiator/oil cooler. Probably starting with the 1973 model year--isn't this when they went from the W114 to the W115 body style?

I think the width of the radiator/oil cooler from the 1969 220 Diesel I measured was 57cm, so there would have been enough room to fit it in the 60cm gap of my fintail and with the sheet metal "adapters" from the 220D installed on each side of it.
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Old 05-15-2009, 11:42 AM
compu_85's Avatar
Waiting for his Model 3..
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The W114/115 started in 68 as I recall, but they did make a change to a wider front grille at some point, perhaps the rad grew then as well?

1991 350SDL. 230,000 miles (new motor @ 150,000).

2013 Fiat 500E. 20,000 miles, 80 miles at a time.
2012 Passat TDI. 95,000 miles. More space, power, and fuel economy than the Benz
2004 Touareg V10 TDI. 150,000 miles. One of 450.
1999 Jetta TDI. 310,000 miles.
1992 Jetta ECOdiesel. 156,000 miles. 1 of 48. Sold.
1991 Jetta ECOdiesel. 430,000 miles. 1 of 700. Sold to VeeDubTDI, totaled in front of our house
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Old 05-15-2009, 04:55 PM
Squiggle Dog's Avatar
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That is my theory.

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