W114 71 250 Engine Question - Mercedes-Benz Forum

 
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post #1 of 3 (permalink) Old 10-02-2006, 06:39 PM Thread Starter
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W114 71 250 Engine Question

Hello all,

Quick question. Have a 1971 250. Prestine condition but I bought it with a bad motor. Having my share of problems locating a replacement, i.e, 250 thats not rebuilt costing under 3 g's. Can I use a 280? Or even a e motor, and than change out the intake to accomodate the carbs? Will these other motors bolt up to the automatic tranny. Any help at all would be appreciated and would warrant a beer or 12 if your in the central texas area.
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post #2 of 3 (permalink) Old 10-03-2006, 08:27 AM
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Depending on the full chassis model, you will either have a 2.5 l engine or a 2.8L engine.

At some point in 1970/71 , MB ran out of 2.5L engines and used the same M130 engine in the 250 as well as the 280.

If you have a 114.010 chassis you probably have a 250 M114 engine, and if you have a 114.011 chassis, you probably have a M130 Enigne.

The good news is it looks like they both use the same transmission. So you should be able to swap them.

I beleive the 280E also used the transmission so that might be an option for you as well. A doner car would probably be your best resource to ensure you have all the right parts.
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post #3 of 3 (permalink) Old 10-03-2006, 08:40 AM
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Andy,

I did a little more research on this, and the transmission is a K4C025 found in 68-72 250/250C and in 68/70 230.

So if you can find a 250 w/ a 2.8L engine in it, it should work.

looks like there is one on www.car-part.com for 600$ + shipping.

Good luck.
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