C-Class (W202) 1995-2000: C 200 CDI, C 220 CDI, C 270 CDI, C 180, C 200 K,C 230 K, C 220, C230, C 280

fuel guage problem c180 -96

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Old Mar 4, 2016 | 06:22 PM
  #1  
Oskar Johansson's Avatar
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C180 w202
fuel guage problem c180 -96

Hi!

My fuel gauge is living its own life.

If you fuel up max it will show max but it goes down to empty and up to full agian when driving. When its under half tank its allways on empty..

Its been this way since i bought it and its getting kinda annoying...

What can be the problem?
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Old Mar 5, 2016 | 03:07 PM
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Russell Ormerod's Avatar
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From: Cape town
not a merc
Faulty sender units
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Old Mar 5, 2016 | 07:05 PM
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C180 w202
Originally Posted by Russell Ormerod
Faulty sender units
Okey thx!

Is this the right units ?http://www.mister-auto.co.uk/en/send...v966_g605.html


Is it hard to change them?
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Old Mar 6, 2016 | 12:27 PM
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Russell Ormerod's Avatar
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Yes that's them. Easy to change they come out from the bottom. Remove the Alan cap screw. Screw in a hollow bolt with a pipe on it to drain the tank. Then a special tool is needed to remove the large diameter locking ring. (Can be a home made tool) then replace the unit taking them out carefully
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