1972 250C - Page 2 - Mercedes-Benz Forum

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post #11 of 15 (permalink) Old 04-08-2008, 10:04 PM
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Fuel injected M110 engines are a vast improvement over their carbed counterparts.

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post #12 of 15 (permalink) Old 04-09-2008, 08:10 AM
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I've had five 250C's and one 280C. And done a fair amount of troubleshooting for others. So I am not exactly coming at this from a theoretical standpoint.

I had 'way more trouble with the Zenith's: vacuum leaks, top-plate warping, shaft/bushing wear, secondaries sticking opren, and general adjusting. Getting the heat risers to work right was a major pain, and expensive.

With the Solex, once the choke and pull-down were set right, it worked well and was mainly trouble-free. It's also easier to get parts if you need them. And I believe you can get a replacement from Pierburg. This was with a '73. I think they got more complicated as emissions got tighter.

Just my real-world $.02.
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post #13 of 15 (permalink) Old 04-09-2008, 08:26 AM
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The Zenith carbs...

can be a pain, no doubt about that. I too owned several /8 cars with them. Most of the problems arise from "ham handed" mechanics working on them, IMHO. Over-tightening the air filter housing, not regularly freeing up the heat risers, etc. This kind of thing takes place as the cars age and subsequent owners shortcut the maintenance.

You are correct that the '73 was not bad at all, but those that followed were something of a nightmare. DB modified that carb over 40 times [in small ways] in an attempt to make it work, but once the emissions rules tightened up, they were hardly trouble free. Quite the contrary [and I was "in the business" at the time]. The "de-tuned," 1974 and up W114, equipped with the carburetted M110 was a "slug"... I have driven many, owned none.

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post #14 of 15 (permalink) Old 04-11-2008, 03:07 PM
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Talking about the cushion between the pilot and copilot seats, you're right they were made for another person to fit, normally a child. My father bought a brand new 280s in 1970 and requested this cushion in the middle as well a the column shift to the MB England, it had an little extra cost but it paid well as we were 4 sibblings and mom and dad always took my little sister with them in that cushion seat. By the way, I have my dad's request form from MB England in were he requests this and othe little extras as well as the invoice. Cheers
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post #15 of 15 (permalink) Old 04-22-2008, 06:16 PM Thread Starter
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Finally, someone knows about this cushion!

The thought of putting a kid on that thing and going down the road (at any speed) these days is mind-boggling. The cushion fits perfectly, but the potential for launching the unfortunate kid into the dash or windshield is too awful to think about.

Wait a minute...my dad's '61 DeSoto had a dash made of steel, no seat belts, and I rode in the front all the time. How times change...

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