1976 280 Sedan... (quick question for ya) - Mercedes-Benz Forum

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post #1 of 4 (permalink) Old 10-26-2011, 08:03 PM Thread Starter
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1976 280 Sedan... (quick question for ya)

I have a 1976 280 sedan 6 cyl with the single Solexcarb..I use this 280 as my everyday vehicle. I have been very fortunate and have not experienced any big issues....I was wondering if someone could possibly diagnose or share some knowledge on a cold start problem I often experience.???

The car startson the second or third crank sequence. At that point it slowly warms itself. After a few minutes i'll drive away and the car will almost stall...sputter a bit.. then pick up...Stop sign stutters, almost will not move with accelerator pressed lightly..(if you press the accelerator too hard or quickly the car will sputter and die..)

Afte about 10 minutes of driving, she runs pretty well.No more stalling..This only happens after sitting and becoming cold... (like over night).Could this be timing issues? Do I need new plugs n wires?? Any suggestions would be greatly appreciated..
Thank you in advance
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Last edited by BlueSkiesWhiteClouds; 10-26-2011 at 08:06 PM.
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post #2 of 4 (permalink) Old 10-27-2011, 04:51 AM
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When was the last tuneup and/or carb cleaning? How old is the fuel filter?

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post #3 of 4 (permalink) Old 11-01-2011, 07:58 AM
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I had a 73 280 and my only experience of these symptoms was cured by replacing the fuel filter(once), rebuilding the carburetor (a few years later) and a much later rebuild of the vacuum pump that was driven by the driver side cam on my 110 engine. I don't know if they still used that vacuum pump on your engine as there was none on the 76 280 S with same engine that we later owned.
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post #4 of 4 (permalink) Old 11-01-2011, 09:24 AM
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Check the choke for closing and proper opening when warming up.
Put your hand on the thermostat housing to
sense warm-up and thermostat operation.

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