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  #1  
Old 01-02-2002, 12:40 PM
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'96 E320 Fuel Filter

I'm about to do 60K service on this car and realized it's never had a fuel filter. I'd like to replace it, but have no idea where it's located or what I'm getting myself into. I'm familiar with BMW filters, which are in-line under the car. I apologize for what I'm sure is a simple question, but I've not been able to find much service information on this car. Thanks!

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  #2  
Old 01-02-2002, 12:49 PM
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Under the car there is a "fuel pump package". Remove a plastic panel & bingo, the fuel filter is mounted there.
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  #3  
Old 01-03-2002, 11:57 AM
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The tools required are 17 & 19 mm wrenches, phillips screwdriver, & 8mm wrench or socket. Many times you need to have a new clamp for one of the fuel lines as the original can be a ONE time clamp that must be cut off with side-cutters.
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  #4  
Old 01-03-2002, 05:08 PM
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I have a "97 with over 60K miles and when I replaced the fuel filter I took the old one apart only to discover that there was absolutely no debrie or other wise dirt etc. trapped. I conclude that the fuel filter hardly needs to be changed if you drive mainly in the US. I have never had a contaminated filter in any of my much used cars. Therefore I usually don't think these filters have to be replaced until maybe 150K. Let me know if you find your original filter dirty. Thanks.
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  #5  
Old 01-03-2002, 05:13 PM
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A good MB mechanic said to me that these fuel filters could easily go 100kmi if quality fuel is used. He said MB uses much larger fuel filters so the maigin for error is good.
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  #6  
Old 01-03-2002, 06:18 PM
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E320 Fuel Filter

Thanks for all the posts. Based upon everyone's experience, I'm leaning toward leaving it in at least until 90 K. Sounds very unlikely that it's contaminated, since it's always had good clean fuel from a reliable source.
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  #7  
Old 01-03-2002, 07:01 PM
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When the fuel filter is full

Does it clog and starve the engine and over work the fuel pumps, or is it like a oil filter and have a bypass? I supose I could do an autoposy on mine, I just changed it.
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Old 01-03-2002, 07:16 PM
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I think it puts back pressure on the fuel pumps if it is clogged.
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  #9  
Old 01-03-2002, 08:41 PM
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I replaced my original fuel filter on my 95C280 (same M104 motor) at 80k miles. THe filter was fairly clogged. I'd imagine though you'd be fine until 90k miles.... and if it needs changing before hand, then it needs changing.
Mercedes-Benz recommends fuel filter replacement for gas motors at 60k miles, but it is not a requirement. They make that relatively clear in the maintenance manual.
Good luck in whatever you do.
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  #10  
Old 01-03-2002, 09:36 PM
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I changed mine at 60,000 kilometers (about 40K-miles) and it looked BRAND NEW. New gasolines might really be not all hype.

I'll still do it again at 120K, as it's pretty cheap insurance.

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