C32 AMG, C55 AMG (W203) 2001 - 2007

Factory fuel filter.....

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Old Jul 23, 2007 | 01:15 PM
  #1  
hkycoldrct's Avatar
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2002 C32 ///AMG
Factory fuel filter.....

Gents, what is the factory equiped fuel filter on our cars? Mann or Khecht or were both used????? Who has used what and have you had any issues??

I'd crawl under myself to see but along with purchasing a new fuel filter I need to buy a jack as well. Thanks in adance boys.
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Old Jul 23, 2007 | 01:25 PM
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2002 C32 AMG, 1997 C5 Corvette (sold)
Originally Posted by hkycoldrct
Gents, what is the factory equiped fuel filter on our cars? Mann or Khecht or were both used????? Who has used what and have you had any issues??

I'd crawl under myself to see but along with purchasing a new fuel filter I need to buy a jack as well. Thanks in adance boys.
Factory is Knecht, however I've used Mahle with no issues.

Check out this site: http://rep.racepages.com/parts/racep...e&showdc=false
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Old Jul 23, 2007 | 01:29 PM
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02 C32 AMG sold!
It's on the drivers side to make things easier.
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Old Jul 23, 2007 | 11:09 PM
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C32 '02 silver 70K
Fuel Filter replacement steps

Anyone DIY; what's involved? I was quoted $275 for parts and labor. How long does ist take to do the job?
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Old Jul 25, 2007 | 11:59 AM
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Originally Posted by uweb
Anyone DIY; what's involved? I was quoted $275 for parts and labor. How long does ist take to do the job?
$275 to replace a fuel filter??? That's crazy! Buy the part; should cost you no more than $70 at most. It's an easy DIY, but just beware that a lot of fuel comes out when you remove the old filter.
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Old Jul 25, 2007 | 12:45 PM
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2002 C32 ///AMG
Originally Posted by FQC32
$275 to replace a fuel filter??? That's crazy! Buy the part; should cost you no more than $70 at most. It's an easy DIY, but just beware that a lot of fuel comes out when you remove the old filter.
And I thought 200 was rediculous. The stealership has a lift and the right tools (clamps) to make this a 10 minute job.
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Old Jul 25, 2007 | 02:09 PM
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This is an easy DIY job. Here are the pics and instructions for you.


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Old Jul 25, 2007 | 02:42 PM
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C32 '02 silver 70K
Fuel Filter - replacement steps; great response!

Code3Smith; much thanks
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Old Jul 25, 2007 | 02:46 PM
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No problem. Please wear eye protection as well. Fuel will spray, no matter how well you clamp the lines. Close your mouth too lol
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Old Jul 25, 2007 | 03:32 PM
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Originally Posted by code3smith
This is an easy DIY job. Here are the pics and instructions for you.


It's probably that whole "Risk of Death" thing that let's the dealer charge $175 for labor!
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Old Jul 25, 2007 | 07:34 PM
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everything and anything
instead of taking it to a dealer find a mechanic that works on mercedes and get a qoute from them. My cars under warranty goto to dealer all others goto my mechanic who I have used over the years
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Old Aug 6, 2007 | 01:20 PM
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how often do we need to change the fuel filter?

My car has 72k miles and I owned the vehicle since it had 20k.

I have not change the filter.
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Old Aug 6, 2007 | 01:21 PM
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Originally Posted by marc32
instead of taking it to a dealer find a mechanic that works on mercedes and get a qoute from them. My cars under warranty goto to dealer all others goto my mechanic who I have used over the years
same here!

I buy the parts and I have a local mechanic do all the work and I stand next to him with MBworld pictures and threads!!
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Old Aug 6, 2007 | 03:21 PM
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2002 C32 ///AMG
TOP GUN 32,

Shoot me an email. I'm due for my fuel filter changeout. I was going to do it myself. Maybe you guy can give us a good do two the same day deal. I'm a short drive up the 15 or 71 away from you.

The factory recommends 60K. Some guys are changing them out every year.
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Old Aug 6, 2007 | 04:59 PM
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no problem... i have under 2k left for my service

I just bought my mobil1 0 - 40 and oil filter

and the fuel filter is next along with probably going back to OEM plug wires.

The shop is a very humble place, but he installed my IC pump, evosport pullies on my C32 and ASP on my E55.



let's shoot for early September? I'll PM as reminder.
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Old Aug 6, 2007 | 06:26 PM
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Code3smith thanks !! It seems like a DIY job, if you have a lift. I think I'm gonna take my car to a mechanic. This is the quote I received from my dealer:
Changing fuel Filter - 238.00;
Brake Flush 120.00 - DIY? any step by step instructions?
Power Steering Flush 175.00 - DIY? any step by step instructions?
TIA for the info.
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Old Aug 7, 2007 | 01:42 PM
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Fuel Filter on the C55

Anybody know about the fuel filter on the C55. My mechanic says that the C55 fuel filter is in the fuel tank and not accessable/serviceable.
When I looked it up on EPC (WIS not installed yet) all I found was that the regular external fuel filter on other 203 was not a call out for the C55 and I could not find another fuel filter.
Any help would be appreciated.

Regards,
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Old Aug 7, 2007 | 09:31 PM
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I don't have a whole lot of specifics since I drive a C32. However, the fuel filter should not be in the fuel tank. I know the fuel pump is in the tank - on the C32's at least. I imagine this is probably not too far off with the C55. Maybe your guy is confusing the fuel filter and the fuel pump.
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Old Jun 10, 2008 | 06:59 PM
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can anyone confirm the part number for a fuel filter for the C55? also, can you confirm that it's located on the driver's side?

i've been looking at parts websites online and haven't found any listed. plenty of fuel filters for the c32, but nothing for the c55. i went to a shop and they were stumped as well.
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Old Jun 10, 2008 | 09:54 PM
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Yeah it is odd...C55s and C350 4MATIC receive a different (unlisted) part...

I change mine every 30,000 miles...I have seen and repaired plenty of damaged fuel rails, injectors, etc due to a bad filter...

First - Open your gas cap and then push in the flap door...
Then when you change it - do it when the fuel is as low as possible - then lift the car in the air - and then GET THE REAR AXLE ABOVE THE FRONT AXLE - this will move the fuel away from the pick up lines...Then - find the feed line (the pressurized line coming from the fuel pressure regulator)...you will want to open that after you vent the system from the feed line...

Not much gas should escape at all...
What you will want to do it disassemble the OEM clamps as easily as possible - inspecting them my dad and I discovered they just wrap over them selves and attached to pressed nipple fittings, unsnap the fitting and the clamp will come loose....no need to fight cutting through it like a crimp box type...

Then replace...
Good luck,
Jake

Oh yeah...My filter clamp bolt was rusted - so I replaced it with some stainless hardware...


- PS - Most (all) fuel pumps have a pre-filter to protect the pump in the tank...this is not the fuel line filter...I can not imagine the guys at M-B or AMG doing too much to change the routing and placment of the fuel system on the C55...But then again they did put a w209 nose on it...So I do not know about the C55...I am only posting this information to offer any help if it can help - no to confuse people...
Good luck!
Attached Thumbnails Factory fuel filter.....-filter_1.jpg   Factory fuel filter.....-filter_2.jpg   Factory fuel filter.....-filter_3.jpg   Factory fuel filter.....-filter_4.jpg  
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Old Jun 10, 2008 | 10:54 PM
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Originally Posted by genechien
can anyone confirm the part number for a fuel filter for the C55? also, can you confirm that it's located on the driver's side?...
Part number is 209 470 03 94 for the ‘delivery unit w/fluid level sensor.’

Prior to chassis #740182, (build date 6/30/05) will require a 211 471 02 41 ‘mounting plate’, as well.

The C55’s fuel filter is an integral part of the fuel level sender:

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Old Jun 10, 2008 | 11:45 PM
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Man I wish I could pull up cool drawings and information like that!

Very cool - Thank fo rthe help!
(Not for me...)
Jake
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Old Jun 11, 2008 | 04:40 PM
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Originally Posted by splinter
Part number is 209 470 03 94 for the ‘delivery unit w/fluid level sensor.’

Prior to chassis #740182, (build date 6/30/05) will require a 211 471 02 41 ‘mounting plate’, as well.

The C55’s fuel filter is an integral part of the fuel level sender:

That's what I was afraid of. But at least it's not like some California-market BMW e46s where you have to buy the entire fuel tank assembly.
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Old Jun 11, 2008 | 07:36 PM
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Originally Posted by BF_JC230
- PS - Most (all) fuel pumps have a pre-filter to protect the pump in the tank...this is not the fuel line filter...I can not imagine the guys at M-B or AMG doing too much to change the routing and placment of the fuel system on the C55...But then again they did put a w209 nose on it...So I do not know about the C55...I am only posting this information to offer any help if it can help - no to confuse people...
Good luck!
hmm now i'm confused. do you think there is another (main) fuel filter besides the one integrated into the fuel level sensor as indicated by Splinter's picture/diagrams?

it seems like such a bad design to have to throw out a perfectly good fuel level sensor just to change the fuel filter every 60K miles as recommended by MB.
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Old Jun 11, 2008 | 07:53 PM
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'05 C55 AMG
i did call the parts department at a local MB dealership and although they woudn't give me the part number to confirm, they did say the fuel filter IS located inside the fuel tank and it's a special order part that costs $338!
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