C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Fuel Filter Replacement Intervals

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Old 08-29-2018, 12:56 PM
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2008 C350 Sport 4Matic Swap
Fuel Filter Replacement Intervals

I was wondering if anyone has changed their fuel filters and at what mileage ?

https://www.pelicanparts.com/techart...eplacement.htm
Old 08-29-2018, 01:06 PM
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As per the manual, it's every 105,000km or 65,000 miles, or every 5 years. I ignore the time part.
Old 08-29-2018, 04:31 PM
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What? That needs change too?
Old 08-29-2018, 04:34 PM
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Originally Posted by ihaveaquestion
What? That needs change too?
Why wouldn't it? Every car's fuel filter has a specified interval for replacement.
Old 08-30-2018, 08:13 AM
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Originally Posted by superangrypenguin
As per the manual, it's every 105,000km or 65,000 miles, or every 5 years. I ignore the time part.
Thanks, il be ordering one and replacing it as soon as I can. Sadly, I'm 150 000km over due for one. I always thought it was integrated with the fuel pump but I didn't do my research. At least I've been using Techron fuel cleaner every few fill ups.
Old 08-30-2018, 10:34 AM
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Dang, I haven't thought about this filter on this car. These filters are pricey too. Looks like a bit fiddly to change.
Old 08-30-2018, 02:11 PM
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I was told I would need to replace the pump as it is one unit, but need not to worry about it where I live, so far so good.
Old 08-30-2018, 04:36 PM
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Well I called my local Mercedes dealer today and they were shocked I wanted to change my fuel filter.. They had trouble just finding the part in their system and the head mechanic told me out of all the c classes they had this year, never have they touched the fuel filters unless their an issue with them.. Basicly they wait until the thing is clogged up to change it and from what they told me, isn't very often.

They also wanted 420$CAD for the filter which was ridiculous because I found it on ebay for 180$.

https://www.ebay.ca/itm/Mercedes-W204-W212-W216-W221-CL550-Fuel-Filter-Unit-Genuine-221-470-17-90-28/351357758722?fits=Year%3A2008%7CModel%3AC300&hash= item51ce8ded02:g:5I4AAOSwfIxZZhgH

Told me the filters are not a maintenance part and didn't know where I got the 105 00km/5year interval since their manuals didn't mention anything about a fuel filter. Any thoughts on this?
Old 08-30-2018, 05:30 PM
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Originally Posted by ltwargssf
Well I called my local Mercedes dealer today and they were shocked I wanted to change my fuel filter.. They had trouble just finding the part in their system and the head mechanic told me out of all the c classes they had this year, never have they touched the fuel filters unless their an issue with them.. Basicly they wait until the thing is clogged up to change it and from what they told me, isn't very often.

They also wanted 420$CAD for the filter which was ridiculous because I found it on ebay for 180$.

https://www.ebay.ca/itm/Mercedes-W20...4AAOSwfIxZZhgH

Told me the filters are not a maintenance part and didn't know where I got the 105 00km/5year interval since their manuals didn't mention anything about a fuel filter. Any thoughts on this?
Holy moly!! So when it's fully clogged then the car doesn't start? That seems pretty insane for dealers to not make this into a cash cow. They are the neighborhood pimp after all
Old 08-30-2018, 06:07 PM
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Do not believe I've ever seen a fuel filter mentioned on the service sheet on a non-diesel vehicle, the in tank filters are considered "lifetime" in most vehicles. I'll check now, as I'm curious.

This is the sheet for a 2014 C class. Shows the filter at 150k or 15 years.

Added one for a 2008, shows 143k or 15 year.
Attached Files
File Type: pdf
204 service sheet.pdf (164.4 KB, 1271 views)
File Type: pdf
PFL 204 service sheet.pdf (52.9 KB, 662 views)

Last edited by ItalianJoe1; 08-30-2018 at 06:10 PM.
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Old 08-30-2018, 07:53 PM
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Thanks Italianjoe
Love having you come in the forum
Your a tremendous help to us.
I appreciate it.
Old 08-30-2018, 08:45 PM
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Originally Posted by ItalianJoe1
Do not believe I've ever seen a fuel filter mentioned on the service sheet on a non-diesel vehicle, the in tank filters are considered "lifetime" in most vehicles. I'll check now, as I'm curious.

This is the sheet for a 2014 C class. Shows the filter at 150k or 15 years.

Added one for a 2008, shows 143k or 15 year.
So Canadian cars have a different spec for fuel filter replacement?? How odd. My manual is very explicit here.
Old 08-31-2018, 12:54 AM
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Originally Posted by superangrypenguin
So Canadian cars have a different spec for fuel filter replacement?? How odd. My manual is very explicit here.
It's possible the service sheet was updated after your manual was printed. That's why we pull the service sheets from online resources with everything else, so we get the current one. Being that it's a 2008 and was first year, they may have had it listed as an external filter and then changed the recommendation later. Or the manual could be wrong/have a typo. It happens.
Old 08-31-2018, 07:48 AM
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Originally Posted by ItalianJoe1
It's possible the service sheet was updated after your manual was printed. That's why we pull the service sheets from online resources with everything else, so we get the current one. Being that it's a 2008 and was first year, they may have had it listed as an external filter and then changed the recommendation later. Or the manual could be wrong/have a typo. It happens.
Is there a link you can share to pull this info?
Old 08-31-2018, 11:43 AM
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I'll add to this, my dealer also has never heard of an interval for the fuel filter. I was planning on changing mine but they seemed in shock I would even do it.

I opted not to for now but am happy to avoid it because of the cost.

I'm at about 160KM now and I think I figured out the long crank problem. I've had I live in the country and the farmers have caused lots of dust and dirt plus all the construction. I opened up my air filter they were full of dirt !!! I change mine so often I could not believe the **** in them after 1month.

For now my problem is solved hahaha
Old 08-31-2018, 02:55 PM
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Originally Posted by superangrypenguin
Is there a link you can share to pull this info?
No, this is with me logging into the MB system via my employee ID, I can't link to the main stuff, it will ask you to sign in. I can only post what I can save as documents locally, it's all online.
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Old 08-31-2018, 03:55 PM
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Originally Posted by ItalianJoe1
No, this is with me logging into the MB system via my employee ID, I can't link to the main stuff, it will ask you to sign in. I can only post what I can save as documents locally, it's all online.
Np, thanks for sharing. Really helps us out and I have now deleted the fuel filter line in my personal notes for service of my car :-) Win win!
Old 09-01-2018, 02:58 AM
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A mechanic at my dealership told me that I didn't need to replace the fuel filter unless there was a particular problem related to it.
Old 09-01-2018, 11:16 PM
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Hey guys, what is the 'combination filter' that requires replacement at 10k miles? Is this the cabin air filter?
Old 09-02-2018, 12:16 AM
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Originally Posted by Tom in Austin
Hey guys, what is the 'combination filter' that requires replacement at 10k miles? Is this the cabin air filter?
Yes
Old 09-04-2018, 09:32 AM
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Originally Posted by ItalianJoe1
Do not believe I've ever seen a fuel filter mentioned on the service sheet on a non-diesel vehicle, the in tank filters are considered "lifetime" in most vehicles. I'll check now, as I'm curious.

This is the sheet for a 2014 C class. Shows the filter at 150k or 15 years.

Added one for a 2008, shows 143k or 15 year.

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Old 06-25-2020, 06:42 PM
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Q1. Does the fuel sensor need replacing? I understand there is an o-ring and we know they can go bad.

Q2. Has anyone has an issue with the fuel sending unit? see pic.






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