External oil filter for 722.9 7G-tronic 7-sp
Thread Starter
Senior Member
Joined: Aug 2016
Posts: 301
Likes: 29
From: S. W. Washington State
2008 E320 BlueTec, 1980 300 SD
External oil filter for 722.9 7G-tronic 7-sp
Have any of you considered or actually installed external oil filter on these?
- What type & how many micron filter did you use?
- Where did you install it?
- Was it worth the effort?
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Joined: Jan 2009
Posts: 9,224
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From: V E G A S
1922 Ford Model T / no OBD
I was thinking about it after changing ATF filter on my Ford Truck.
You can't go wrong with a filter if you install it right and here is where the problem is.
On my Ford it is installed on the line going to radiator. I assume the housing has a pressure valve that will open bypass in case the filter clog, but did not go that far to check.
The filter is popularly called "toilet paper roll" as this is how the element look like.
Doubt it has microns rating, but was pretty black when I was replacing it. Most likely clutch dust.
You can't go wrong with a filter if you install it right and here is where the problem is.
On my Ford it is installed on the line going to radiator. I assume the housing has a pressure valve that will open bypass in case the filter clog, but did not go that far to check.
The filter is popularly called "toilet paper roll" as this is how the element look like.
Doubt it has microns rating, but was pretty black when I was replacing it. Most likely clutch dust.
MBWorld Fanatic!
Joined: Jan 2009
Posts: 9,224
Likes: 1,798
From: V E G A S
1922 Ford Model T / no OBD
Here you have easy kit
http://www.xtremediesel.com/bd-power...t1064013.aspx?
http://www.xtremediesel.com/bd-power...t1064013.aspx?
Thread Starter
Senior Member
Joined: Aug 2016
Posts: 301
Likes: 29
From: S. W. Washington State
2008 E320 BlueTec, 1980 300 SD
Here you have easy kit
http://www.xtremediesel.com/bd-power...t1064013.aspx?
http://www.xtremediesel.com/bd-power...t1064013.aspx?
Thanks for the suggestion - I have had one of these in my F350 for few years now, but I don't think it would fit easily in W211...maybe in front of the condenser behind the grille but it may be too tight fit?
My F350 is used only for RV use so it's not getting many miles and it's hard to tell the benefit so far.
The W211 will get about 1000 miles per week so any benefit should show up in less than one year!
Anyway, I was just checking if anyone had installed one on W211 and get feedback.
MBWorld Fanatic!
Joined: Jan 2009
Posts: 9,224
Likes: 1,798
From: V E G A S
1922 Ford Model T / no OBD
At least 3 of the cars I sold with 5G transmissions are around or over 300k without major work on them.
My 7G is at 171k right now and I confirmed it had service done at 40k.
I am thinking about doing pan drop service before 200k and maybe next one at 300k.
Since I am not planning to put high miles on the car, that is going to take me a while.
Than I might worry about filter
My 7G is at 171k right now and I confirmed it had service done at 40k.
I am thinking about doing pan drop service before 200k and maybe next one at 300k.
Since I am not planning to put high miles on the car, that is going to take me a while.
Than I might worry about filter
Last edited by kajtek1; Sep 16, 2016 at 11:40 PM.
