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Old 07-30-2002, 03:32 PM
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Location: England
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190E 2.6 info needed

As I get closer to organizing my 3.0 190E conversion, I really need some info or underhood pics of 190E-2.6s, in particular around the radiator area.

I know it's a tight fit around there, as I have today measured the 300(T)E's engine against the 190E's engine bay.
190E - distance from firewall to start of the slam panel: 820mm
300E - length of engine from block up to but not including radiator: 860mm

Is this a bit of a tight fit?? Fortunately I won't have Aircon, so don't need the extra radiator for that. Will I need a 190E 2.6 radiator, or will a 300E's radiator fit into my bay okay (with 190E 2.6 mounts)? Does my hood need to be different?



P.S. 2phast if you're reading, could you email high-res versions of the pics of your underhood, or even take some of the tight-fit areas at each end/side of the engine?

2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
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Old 07-30-2002, 11:22 PM
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I seem to recall seeing on at least one U. S. based radiator supply web site, the 260 and 300 using the same radiator part number. I may stand corrected. You might try surfing the web using something like EXCITE, looking for radiator suppliers. Look up what they offer for both the 260 & 300. It might be interesting to learn they are interchangeable.

Not sure about the other areas you inquired about; however, according to the specs. found in Robert Nitske's book "Mercedes-Benz Production Models Book 1946-1995", the biggest difference between the 2.6 and 3.0 motor is the bore. Stroke is the same. I wonder if engine height is identical? I believe there's a fair amount of room between the very top of the air cleaner assembly and the hood. It might just fit!
Mike Murrell
1991 300-SEL - Model 126
M103 - SOHC
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Old 07-31-2002, 06:49 AM
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Thanks Mike. It's good to know the radiators are probably the same for 260E and 300E, at least I don't have to worry about which I get.
Have you noticed how the 2.6 and 3.0 share the same stroke as the 2.0 and 2.3 4-cylinders (80.25mm), as the engines are just the same but with 2 extra cylinders.. makes the job easier for me!

What I am still trying to discover though, is if a 190E 2.6 has the same radiator as the 260E and 300E. If so, then I can simply fit a 300E's radiator along with its engine.

2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
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Old 01-27-2005, 06:38 PM
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Old 01-28-2005, 02:37 AM
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I don't think they're the same part number, but that may be due to the mounting points/brackets.
1990 190e 2.6 - The only one I can really call "My Car".

1987 190e 2.3 - The donor car's up and running, only mods are Euros and a Sony headunit. My Dad's runabout now.

1990 300e 2.6 - The parents' ride.
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Old 01-28-2005, 01:04 PM
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Location: Portland, ME
Posts: 612
A good source for under-hood pix is Ebay. A proud MB owner would quite likely be thorough in documenting the condition of a good specimine.

Good luck... and keep us posted on the progress of the project.

Jeff Pierce
Jeff Pierce

Current Vehicles:
'92 Mercedes 190E/2.3 (247K miles/my daily driver)
'93 Volvo 940 Turbo Wagon (263K miles/a family truckster with spunk)
'99 Kawasaki Concours
Gravely 8120
Previous Vehicles:
'85 Jeep CJ-7 w/ Fisher plow (226K miles)'93 Volvo 940 Turbo Wagon
'53 Willys-Overland Pickup
'85 Honda 750F Interceptor
'93 Nissan Quest
'89 Toyota Camry Wagon
'89 Dodge Raider
'81 Honda CB 750F Super Sport
'88 Toyota Celica
'95 Toyota Tacoma
'74 Honda CB 550F
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Old 01-31-2005, 07:53 AM
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Location: England
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Well thanks all for the comments. Unfortunately as you can see, you are 3 years late .

And also as you see, I still sadly have a the 2.0 lump in my car.

It turned out to be too difficult (impossible in fact) to find a similarly low mileage 300E engine, and/or autobox (mine was reconditioned shortly before I decided to do this swap, but would have had to have been replaced).

And my dad (whose workshop I would hope to have used) wasn't really keen on the whole thing anyway, which is fair enough, but I'm still sad that I couldn't do it .

At least I still have the car and love it anyway . I still would like to fit another engine, and the right moment may come along one day, but for now engine swapover beasts are best limited to American Muscle cars i suppose .

2.5-16v 1990 90,000m Astral Silver
2.0E 8v 1986 107,000m Black 2nd owner
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