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Old 03-10-2006, 08:52 AM
Join Date: Jan 2006
Location: New Jersey
Posts: 55
Red face Fuel Filter replacement.

Hi guys,

I have 2000 S500. I am trying to replace the fuel filter this weekend. Is there anything that I should be careful? Such as fuel pressure in the line.
I am planning to change it by parking the car a little incline at the slope top to gain access to the filter, as I do not have a ramp or lift. Is it possible?
I appreciate your ideas.

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Old 03-10-2006, 10:01 AM
Ali Al-Chalabi's Avatar
Senior Member
Join Date: Nov 2000
Location: Knoxville, TN
Posts: 1,837
Just be ready for a the fuel already in the lines to spill out when you diconnect them. Other than that, it should be relatively straightforward.
Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record
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Old 03-10-2006, 10:05 AM
Join Date: Jan 2006
Location: New Jersey
Posts: 55

Thank you for your reply.

I hope fuel will not spray out.
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Old 03-10-2006, 10:06 AM
450slcguy's Avatar
Don't Tread on Me
Join Date: Jan 2006
Location: USA
Posts: 613
I would highly suggest you invest in a floor jack and a set of ramps and or jackstands. You probably will be able to accomplish what you want to do, but you'll be confined by the low cleareance. You are going to need to pinch off the fuel line to prevent fuel spillage. Any decent auto parts store should have this device for less than $10 bucks. Be real careful when working the gas, thats the most important thing.
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Old 03-10-2006, 12:07 PM
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Join Date: Jun 1999
Location: Albuquerque, NM USA
Posts: 1,946
Just understand that ANYWHERE on ANY GERMAN vehicle you find a washer used to seal liquids, it must be replaced with a new one EVERY time the joint is loosened and/or taken apart. THAT'S THE WAY IT'S DESIGNED. Experience with American cars is irrelevant.
Kent Christensen
'07 GL320CDI, '06 SLK350
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Old 03-10-2006, 12:37 PM
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Join Date: Dec 2004
Location: Eugene, OR, USA
Posts: 121
Safety first!!!!

If you do try this on any slope, be sure to block ALL wheels. Do not rely on the emergency brake and/or the park position to hold the car. I know this seems obvious, but people get in a hurry and cut corners and get hurt too often when under cars.

I'd strongly recommend a set of ramps or a floor jack with jack stands.

Take care.
1986 300E
1993 Volvo 940 Wagon
1984 Volvo 240 (daughter's)
1976 Dodge 1/2T pickup, gas hog
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Old 03-10-2006, 03:30 PM
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Join Date: Jan 2006
Posts: 108
fuel filter change

Be extremely careful with this job and do not...I repeat do not use a shoplight with an incandescent bulb. Any drop of gas that hits the light will break the bulb and ignite you, the car and garage. Make sure you use a flashlight or a shop light that has a florecent bulb.
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Old 03-10-2006, 03:46 PM
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Join Date: Oct 2004
Location: Baton Rouge La
Posts: 2,632
ditto on the incandescent light..

this happened to me 15 years ago when i was doing a fuel filter job with a honda station wagon...

i caught my garage on fire.

i stopped working on cars for about 10 years because of that experience.

I am long over it...but gas and light bulbs = fire.
1989 300ce 129k
( facelifted front,updated tail lights, lowered suspension,bilstein sports, lorinser front spoiler, MOMO steering wheel, remus exhaust,stainless steel brake lines). (Gone)

1997 s320 154k (what a ride). Sold with 179k miles. Replaced with Hyundai Equus

1994 e320 Cabriolet 108k

1972 280se 4.5 153k Owned for 12 yrs, sorry I sold it

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Old 03-10-2006, 08:18 PM
Join Date: Jan 2006
Location: New Jersey
Posts: 55
Thank you so much for all of your concerns and warnings.

That is one of the reasons I admire this forum.

Actually, I am not calculating labor cost. Just my habit that everything try first before let other do. My neighbors say that I am crazy.

I am heading to nearest shop to do it. It is not worth to try this work although it is simple.
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Old 03-10-2006, 09:08 PM
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Join Date: Dec 2005
Location: Atlanta.
Posts: 366
Make sure you open the fuel filler cap first to relieve line pressure then tighten the cap right before you remove the hoses.

I clamp both hoses at the filters, it's less messy.

get your clamps ready and work quickly.

have a fire extinguisher at arms length-no joke.

Clean you work with brake kleen when finished.

test drive it and recheck for leaks.


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