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C55 Fuel Filter Replacement Question (yes, searched)

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C55 Fuel Filter Replacement Question (yes, searched)

 
Old 01-16-2012, 12:42 PM
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C55 Fuel Filter Replacement Question (yes, searched)

Folks,

I would like to replace my fuel filter on my 06 C55. I already searched and found this write-up:

https://mbworld.org/forums/c-class-w...placement.html

However, there seems to be some confusion around whether this applies to the C55 or only C32/C230.

Can any C55 owners confirm whether our fuel filters are inside the fuel tank and hence cannot be DIY-ed? Or if they can be changed, can you please share the location and any tips?

Thanks a lot,
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Old 01-16-2012, 01:58 PM
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It's combined with the fuel gauge sensor on the left side within the tank. Price was around $300-400 as I recall for a new unit from a dealer. It looks like you get to remove the fuel pump/level sensor on the right side too to change it.

Don't ask me what the difference is between a fuel gauge sensor and a fuel level sensor, in my world they're the same.
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Old 01-16-2012, 05:30 PM
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Here is a link to the location:

https://mbworld.org/forums/c32-amg-c...ilter-diy.html

Here is the tool I think we need to remove the fuel sender:

http://www.ebay.com/itm/Mercedes-fue...7#ht_922wt_952

I'm still contemplating doing it myself...

Last edited by ||C55AMG||; 01-16-2012 at 05:47 PM.
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Old 01-16-2012, 05:59 PM
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Originally Posted by ||C55AMG|| View Post
Here is a link to the location:

https://mbworld.org/forums/c32-amg-c...ilter-diy.html

Here is the tool I think we need to remove the fuel sender:

http://www.ebay.com/itm/Mercedes-fue...7#ht_922wt_952

I'm still contemplating doing it myself...
If the fuel filter is housed within the tank, how do you use this tool? Is it accessible to unscrew from outside the tank somwhere while the tank is still in the car? Or does the tank need to be removed first?
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Old 01-16-2012, 09:09 PM
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The tool is used to remove the fuel sender which has the fuel filter in it. I don't think you have to remove the tank but information is scarce on this topic for the C55. If you find any better information please post. I am also looking to change my fuel filter.
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Old 01-16-2012, 10:02 PM
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Boys, here is some help for you.
Attached Files
File Type: pdf
install fuel level sensor.pdf (98.3 KB, 629 views)
File Type: pdf
Replace fuel filter.pdf (40.7 KB, 802 views)
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Old 01-16-2012, 11:34 PM
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Originally Posted by Lenin View Post
Boys, here is some help for you.
Thanks!
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Old 01-17-2012, 01:06 AM
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Why do you feel the need to replace the filter? Have you tried cleaning the injectors?
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Old 01-17-2012, 02:27 AM
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Replacing filters are a routine PM function. Up to a point a filter works better as it collects dirt, but as the particulate layer builds up it increases pressure drop. At some point the fuel pump can't provide enough pressure at full load resulting in a lean condition.
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Old 01-17-2012, 05:56 AM
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Originally Posted by Lenin View Post
Boys, here is some help for you.
You are awesome sir! Thank you very much, looks like it's a fairly easy job.

Now, I am on parts.com and looking for the right part to order. Please see the attached parts diagram:



The description says # 10 is the "Sending unit" and retails for $264. However, it shows the fuel filter as separate - #13 and it retails for only $45. Does that mean that once we get the sending unit off (per the instructions on Lenin's PDF), we can remove the fuel filter and replace that part only? Really hoping this is a $45 job and not $264.

Link to parts.com: http://www.parts.com/parts/2006/MERC...gramCallOut=13

I also cross-checked with mbpartswarehouse and it too lists a "AC Delco Fuel Filter 2005-2006 Mercedes Benz C55 AMG" for $44.
http://www.mbpartswarehouse.com/part...4962951%2B1668

Last edited by xxaarraa; 01-17-2012 at 06:07 AM.
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Old 01-18-2012, 05:49 AM
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Anyone??
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Old 01-18-2012, 06:17 AM
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The EPC shows that #13 is not valid for my '06.
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Old 05-04-2012, 11:28 AM
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Any progress on replacing this filter? Based on the schematic it looks like the filter is inline between the pump and pressure regulator.
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Old 05-04-2012, 02:37 PM
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Originally Posted by Quickvr4 View Post
Any progress on replacing this filter? Based on the schematic it looks like the filter is inline between the pump and pressure regulator.
I gave up on this job after the cost associated. Looks like the AMGs need a whole fuel pump assembly which is close to $300 I believe.
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Old 05-04-2012, 02:45 PM
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What mileage are you suppose to do this at? I wonder if a clogged filter is the issue causing the fuel tanks to leak?
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Old 05-04-2012, 03:07 PM
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I believe every 60k miles. I am unable to find this whole pressure regulator/filter assembly online. Is this a dealer part only?
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Old 05-04-2012, 03:11 PM
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Originally Posted by xxaarraa View Post
I gave up on this job after the cost associated. Looks like the AMGs need a whole fuel pump assembly which is close to $300 I believe.
Were you able to locate #13 in the diagram? It looks like that is the filter that is inline between the pump and regulator. It seems like an easy job once you disconnect the fuel lines and pull the units out.
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Old 05-04-2012, 06:26 PM
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Originally Posted by Quickvr4 View Post
Were you able to locate #13 in the diagram? It looks like that is the filter that is inline between the pump and regulator. It seems like an easy job once you disconnect the fuel lines and pull the units out.
Nope. If you try it, post up the findings.
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Old 07-08-2012, 06:23 PM
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Originally Posted by xxaarraa View Post
You are awesome sir! Thank you very much, looks like it's a fairly easy job.

Now, I am on parts.com and looking for the right part to order. Please see the attached parts diagram:



The description says # 10 is the "Sending unit" and retails for $264. However, it shows the fuel filter as separate - #13 and it retails for only $45. Does that mean that once we get the sending unit off (per the instructions on Lenin's PDF), we can remove the fuel filter and replace that part only? Really hoping this is a $45 job and not $264.

Link to parts.com: http://www.parts.com/parts/2006/MERC...gramCallOut=13

I also cross-checked with mbpartswarehouse and it too lists a "AC Delco Fuel Filter 2005-2006 Mercedes Benz C55 AMG" for $44.
http://www.mbpartswarehouse.com/part...4962951%2B1668

Something looks wrong with the diagram on Parts.com that fuel filter looks alot like the one that the C32 uses. Shouldn't the fuel filter look something more like the diagram that "Lenin" posted with his instructions to replace the fuel filter? Anyways, I'm interested cause that is what I bought about a 2 years ago, and am hoping I didn't buy the wrong part! Can anyone confirm this?

Part #2094700494 - Fuel gauge sending unit - $262.00 off Parts.com!!!
Attached Thumbnails C55 Fuel Filter Replacement Question (yes, searched)-photo-1.jpg  
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Old 07-08-2012, 07:33 PM
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The way EPC works is it shows pictures for all W203s then it uses filters/vin codes to filter out parts that do not apply to that specific vehicle. If you removed the filters you would notice it's a regular filter for another car. So the part you are looking for doesn't actually exist from the dealer.
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Old 07-09-2012, 07:23 PM
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Originally Posted by JonMBZ View Post
If you removed the filters you would notice it's a regular filter for another car. So the part you are looking for doesn't actually exist from the dealer.
Huh? Sorry maybe I'm being a little dyslexic, but I'm not sure if I understood you correctly. Could you please clarify so did i buy the wrong part?

Last edited by walee112; 07-09-2012 at 07:30 PM.
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Old 07-09-2012, 08:07 PM
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Originally Posted by walee112 View Post
Huh? Sorry maybe I'm being a little dyslexic, but I'm not sure if I understood you correctly. Could you please clarify so did i buy the wrong part?
For my '06 part number 13 does not apply. If (when) I change my fuel filter I will need part number 9. MB uses generic diagrams and then uses your VIN to filter out parts that do not apply.
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Old 07-09-2012, 09:06 PM
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Originally Posted by lkfoster View Post
For my '06 part number 13 does not apply. If (when) I change my fuel filter I will need part number 9. MB uses generic diagrams and then uses your VIN to filter out parts that do not apply.
gotcha........!
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Old 07-09-2012, 10:19 PM
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So is this DIY-able by a decent home mechanic or what?

Damian
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Old 07-09-2012, 11:06 PM
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Couldn't tell you, but just make sure he changes the seals, they tend to leak.
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