W111 fuel sending unit lines from filler neck to trunk - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 12-26-2011, 06:43 PM Thread Starter
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Vehicle: 1962 W111 220SE Coupe
Location: Cloud City, OR
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W111 fuel sending unit lines from filler neck to trunk

So this is the first week I have really been able to get the car on the road and enjoy her a bit after a couple initial rounds of work. While lubricating the fuel filler door (yup, I'm that fanatical) I realized that neither of the transparent lines that are supposed to connect to the filler neck are attached. I see they route to the white plastic fuel sending unit in the trunk. I am going to refit them in the morning but I'm wondering if there is any change I can expect or what issues this could have contributed to. I have had an erratic fuel gauge when I get below 1/4 tank but no other issues that have been fuel related that I can think of. It seems like I find something new every couple of days as i start to dig in so forgive me for hogging the vintage threads lately.


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post #2 of 2 (permalink) Old 12-27-2011, 04:29 AM
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Date registered: Dec 2003
Vehicle: 1965 220S, 1999 Volvo V70 (wagon), 2006 Ford Crown Vic Police Interceptor, 72 350SL 4 Speed
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The lines route to the small plastic tank in the trunk, up high on the left.

The fuel sensor in the tank may be bad. Take it out and exercise it.

It's good to be fanatical with these cars.

Near Manassas Va. '65 220S, 2006 Ford Crown Victoria Police Interceptor, '99 Volvo V70, '72 350SL 4 speed

Not part of the in-crowd since 1952. It's BRAKES not breaks. You break a bone, use brakes to stop your car. /rant

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