M-Class (W163) Produced 1998-2005: ML 230, ML 320, ML 350, ML 400 CDI, ML 430, ML 500, ML 270 CDI

Gas guage

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Old 10-23-2007, 11:53 AM
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98 CLK 320 03 ML500 04 SL 500
Gas guage

The gas guage on my ML just stooped working. Dead Is it controlled by a sensor or a fuse? Help
Old 11-03-2007, 04:30 PM
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2001 ML320 fully loaded except the damn navigation sytem.
Its most likely the fuel pump. If you search this thread you will find many topics about this notorious problem about m class. It happened to me this spring and they hit me upside the head for 900 dollars. Because they will most likely tell you you will have to replace the fuel pump and the three fuel lines because theyre getting old and brittle.
Old 11-04-2007, 07:36 PM
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02 ML320 Sport, 04 350z,06 E350 4matic
Is there a code or any sensor to detect the problem
Old 11-04-2007, 10:57 PM
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2001 ML320 fully loaded except the damn navigation sytem.
i dont think so. The dealer is the one who told me.
Old 11-05-2007, 09:55 PM
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01 ML55, 91 Supra Turbo, 05 Audi S4
ML'S ARE Notorious for this problem, mine is nutz,..works when it wants to..if I fill up from 1/2 tank works no problem, fill up from 1/4 tank, it automatically goes to empty, low fuel light comes on...WTF and the next day works fine again...I have heard that it's the sending unit in the tank and it would take @1000 bucks to fix...Not me I'll just use my tripometer and calc MPG...
Old 11-06-2007, 06:53 AM
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2014 RX 350 F Sport, 2007 Scion tC, 2000 ML 430 Money Pit Finally Gone! Oh Happy Day!
Originally Posted by rodwilk
The gas guage on my ML just stooped working. Dead Is it controlled by a sensor or a fuse? Help
Plenty of info here on the fuel system http://www.whnet.com/4x4/badgas.html
Old 11-06-2007, 08:11 AM
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I recently changed the fuel pump and sender unit. When filling up, i was getting 3/4 of a tank on the gas guage. Do you think that the This pump was misaligned during installation as it shows in this attachment? http://www.whnet.com/4x4/badgas.html

Appreciate some kind of feedback.
Old 11-06-2007, 03:18 PM
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98 CLK 320 03 ML500 04 SL 500
My Ml is still under warranty. I had to take it back three times before it was repaired. They replaced the sending unit, pump and hoses. still registered 0.Then they replaced the gas gauge in the cluster panel. Its working now. I am glad I purchased the extended warranty. This would have cost big bucks.

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