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Old 07-18-2013, 02:54 PM
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1971 280SE how to access fuel gauge

Good Afternoon
I have a 1971 280SE that has been in the barn for 13 years. I changed all the fluids and got it running, but the gas gauge does not work. I am guessing the old gas sitting there for all the years has corroded on the slides. Can someone tell me how to remove the fuel gauge? Do I have to drop the whole tank to access the fuel gauge?
Thanks
Pam

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  #2  
Old 07-18-2013, 03:44 PM
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The fuel sender in my 73 280 SEL is accessible through the floor of the trunk. I also had a non-op fuel gauge that turned out to be a wire broken off the connector at the sender.
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  #3  
Old 07-19-2013, 10:56 AM
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Thank You

Thanks that is good news will work on it today
Pam
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  #4  
Old 07-19-2013, 11:28 AM
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they can be repaired, not easily , hopeful its just gunked up , clean the fine wires very carefully they are very thin.

You may need a new gasket for the unit if you remove. I think I made one for mine out of gasket material
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  #5  
Old 07-19-2013, 11:07 PM
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Join Date: Apr 2012
Location: San Luis Obispo, CA
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That part is normally called a fuel sending unit. It is very delicate so if time allows, you should search the forum as others have goofed it up.

If you want to see what they look like in advance, I even saw that someone has a youtube video on it (i searched for mercedes fuel sending unit). It was for an SD, so the location is different than on your car, but the part is similar.
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  #6  
Old 07-20-2013, 04:02 PM
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I have rebuilt them, search my username.

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Ron
2011 Porsche Cayman - Bond,James Bond
99 E320 THE Queen Mary
62 220b - Dolly - Finally my Finny!
72 450SL, Pearl-SOLD
16 F350 6.7 Diesel -THOR
07 Lexus RX 350 - Lexi
14 38HP John Deere 3038E Tractor -Mean Green
84 300SD, Benjamin -SOLD
71 220 - W115-Libby ( my first love) -SOLD
73 280 - W114 "Organspende" Rest in Peace
81 380 SL - Rest in Peace
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