who has a 114 here?? - Page 10 - Mercedes-Benz Forum

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post #91 of 127 (permalink) Old 03-30-2010, 08:41 AM
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Date registered: Jul 2006
Vehicle: European 1974 350SLC ,'78 300CD& '80 300CD sold , '81 240D SWMBO's Car '84 300CD & Euro
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Post Carby Flat Spots

Quote:
Originally Posted by jtbenzman1 View Post
Congrats. I have a 73 280C. Really nice car from California. I have had it about 10 years. It runs great but the solex carb bogs a lot. Handels well and is quick. I like to see younger people drive these cars. I think they are timeless classics. It turns a lot of heads at cafes and coffee shops. Good luck and enjoy
This can be fixed by careful tuning .

Or , find a junker S Klasse Sedan and rob it's dual Solex carbies and get ready for some serious power & fun .

-Nate
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post #92 of 127 (permalink) Old 03-30-2010, 08:58 AM
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Date registered: Feb 2005
Vehicle: 73-450SL 73-280C, 83 300cd turbo disel 86-560SE 70-280se 99-ml430 02-clkl55, 77 Datsun 2800z
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I found a replacement rochester at; Gene Berg Enterprises and a weber at; Weber Converion Kits. I have tried to adjust it do you have any recommendations on how to go about it? Nothing seems to work. The duals sound like a great plan but do they require a lot of mods?

JTBENZMAN1
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post #93 of 127 (permalink) Old 03-30-2010, 09:14 AM
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Date registered: Jul 2006
Vehicle: European 1974 350SLC ,'78 300CD& '80 300CD sold , '81 240D SWMBO's Car '84 300CD & Euro
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Post Carby Fun

Well ;

First things first :

99 % of the flat spot problems I encounter all have incorrectly adjusted valves (usually too tight) followed by improper ignition timing or stuck advance flyweights in the dizzy ( I assume you know to remove the rotor and dribble in a few drops of engine oil monthly) followed by vacuum advanced can either not holding vacuum or not connected to the correct
" Ported vacuum " source (this means NO vacuum signal until the throttle goes off idle) .

Just tossing different carbies at it without taking the time to check and adjust everything else , is a waste of time & $ .

Pretty much every customer insists the valves are fine (they never are) and they've checked the timing when in fact they've at most checked the idle timing but never the advance range and tip in much less the amount of total timing advance when under load . (about 30 DBTDC , varies on each engine)

I don't want to give you bad advice so follow the basics and usually some minor little thing , once fixed , cures the problem .

I assume that when you have the engine off and remove the air cleaner & look down into the carby throat and work the throttle , you see a healthy squirt of fuel the instant the throttle linkage is actuated ? if not , there's your flat spot right there .

-Nate
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post #94 of 127 (permalink) Old 03-30-2010, 11:32 AM
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Date registered: Sep 2009
Vehicle: '74 280
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Can anybody tell me another carb. that will work with the 280? My Solex is just not the best.
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post #95 of 127 (permalink) Old 04-25-2010, 08:55 PM
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Date registered: Sep 2009
Vehicle: '74 280
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What is the difference in the transmissions with the gear shift on the column and the ones with it on the floor?
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post #96 of 127 (permalink) Old 05-03-2010, 08:28 PM
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Date registered: Jan 2010
Vehicle: 1971 250C
Location: Mesa, AZ.
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I've got a 71 250C - love the car!!!



more pics here - 1971 Mercedes Benz 250C W114 - a set on Flickr
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post #97 of 127 (permalink) Old 05-04-2010, 06:59 AM
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Date registered: Aug 2009
Vehicle: '72 250C, '74 280C, '85 500SEL, '81 300CD.
Location: Tucson, Az.
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I'm a bit of a fanatic. I've owned 6 or 7 of the buggers.

Current stable:

1972 250C. The wife's car. Manual transmission, uggh but the wife loves it. Powered by a M115 converted to throttle body fuel injection (Megasquirt controller and a GM TBI from a 2.5L).
who has a 114 here??-wax-022.jpg

1973 280. When I first got it. It's cleaned up and renewed now. Fueled by a Holley conversion carb I pulled from my next restoration project. Known as "the truck" 'cause I use it for everything.
who has a 114 here??-mb-project-001.jpg

1974 280C. My toy. Bought it in a package deal with a '71 250C for $300. The 250C became an "organ donor" for the wife's ride. I've restored the 280C mechanically and am in the process of getting it re-painted. Mechanically and interior-wise it's renewed. Fueled by an Autolite 2 bbl carb from some anonymous Ford 302 c.i. engine.
who has a 114 here??-clean-up-001.jpg

All are fired using the Crane XR series of ignition spark system.

I also strayed from the fold and have an '85 500SEL but that's a different story.
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post #98 of 127 (permalink) Old 05-05-2010, 05:54 PM
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Date registered: May 2010
Vehicle: 1971 250CE (W114)
Location: Mayo, Ireland
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Just bought a '71 250 CE in the UK and drove it home (Ireland).....very happy with it.

This is my first classic and tbh I know f*ck all about cars!! Any good online resources for this or would getting the Haynes manual be the best place to start?

Will post a couple of pics tomorrow.....
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post #99 of 127 (permalink) Old 05-06-2010, 05:19 PM
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Date registered: May 2010
Vehicle: 1971 250CE (W114)
Location: Mayo, Ireland
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post #100 of 127 (permalink) Old 05-10-2010, 08:59 AM
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Date registered: Dec 2004
Vehicle: 1972 280CE
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Quote:
Originally Posted by MacDanger View Post
Pic attached here...

That looks a lot like my 250CE that's living at my dads house in London. Here I have 2 280CE's both Euro cars with 4 speeds. One is running and driving but very rusty while the other does not run.

I'm now trying to find floors and rockers for it but what I really should do is find a silver early 280C that's rust free and drop the engine and tranny in it. It would be infinitely simpler then repairing the rot in this car.

If someone has a line on where to get floors in the US for these cars, let me know. Dealer wants some serious money.

With best regards

Al

Check out the W114, W115 /8 enthusiast forum http://www.stroke8.org

My 280SL restoration
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