fuel gauge going crazy - Mercedes-Benz Forum

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post #1 of 5 (permalink) Old 09-18-2008, 05:13 PM Thread Starter
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fuel gauge going crazy

well hey, i have a 1995 c180 default, nothing added to it, and recently the fuel gauge will suddenly drop to 0 and then go back to 100, and this keeps on repeating. Im not too sure what it is, i think it might be a fuse or something. Comment if you know anything that might help me
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post #2 of 5 (permalink) Old 09-18-2008, 05:16 PM
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sounds like the sensor has a bad ground or something else in the circuit, like the fuse or gauge, maybe someone has a similar car with this issue. that may be a sign the sensor is on its way out.

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post #3 of 5 (permalink) Old 09-18-2008, 05:18 PM
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You have a W202 C-Class and I would pose your question on that forum. But the 1st place I'd look is at the fuel level sending unit which might be the same thing vipercrazy is calling the sensor. Good Luck.

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post #4 of 5 (permalink) Old 09-18-2008, 05:19 PM Thread Starter
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by the way, where is the fuse for the guel gauge
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post #5 of 5 (permalink) Old 09-18-2008, 05:27 PM
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Don't bother with a fuse, that is not it. Fuses either work...or they don't, period.

MB usually uses similar designs in their sedans, so I"ll bet if you pull the sending unit and clean the contacts (for the variable part of the sender, not the plug where the harness connects) it will be okay. Again, if it is a similar design you can reference the DIY posted in the W210 forum.

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