seafoam
MBWorld Fanatic!
Joined: Nov 2001
Posts: 2,619
Likes: 53
From: Georgia
E 63S Wagon Renntech, E55 Renntech, SL65, SL 55 030, ML, bunch of old ones--they come, they go...
Takes more...
Than one bottle. Gas tank only, not crankcase. I prefer techron and non ethanol gas, does seem to make a bit of difference, I suspect it's mostly the gas.
MBWorld Fanatic!
Joined: Jun 2007
Posts: 1,856
Likes: 7
From: Socal
07E63, 12E350, 08997TT, 16SiennaSE
Maybe just coincidence but week after I use up 2 can of seaform I got a dead up stream Driver side O2 sensor. 
$18 for Seafoam and $702 for O2 sensor. I got raped by Stealer.
$18 for Seafoam and $702 for O2 sensor. I got raped by Stealer.
MBWorld Fanatic!
Joined: Feb 2008
Posts: 1,280
Likes: 4
From: Bostonian Ma
2012 CLS63 AMG
the next day*I always notice a tad better on MPG as well
http://www.amazon.com/Chevron-Techro...owViewpoints=1
Super Member
Joined: Apr 2011
Posts: 998
Likes: 4
From: Central Connecticut
86 190D (Exported to the Nerderlands), 87 300TD (Sold), 82 Ford F150 3spd, 99 E300D (RIP), 02 E55
What about Redline S1 Fuel System Cleaner. You can get them at Pep Boys. I use them on my diesels with very good results. I think I'll give Techron a try since they are cheaper. Wonder if you can get them at Walmart....
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MBWorld Fanatic!
Joined: Apr 2010
Posts: 4,437
Likes: 43
From: PDX
1999 C43, 2008 P30 E63, 2014 SQ5, 2024 Model Y Performance
I only use Chevron gas in my C43 so it is always getting Techron
Senior Member
Joined: Jun 2005
Posts: 470
Likes: 20
From: Houston, TX
2017 S63
Seafoam once per oil change period in your gas tank will help keep your injectors flowing nicely. Seafoam in the air intake one time will clean out any carbon deposits on the valves and piston. There are plenty of youtube's on seafoam. Done this on loads of cars some with great results, others with just some improvement.
How much it makes a diff depends on how dirty your engine is or how gummed up it is.
Milage less than 45K you may not notice much difference. Over this and you will notice an improvement over idle, pickup and MPG on the air intake. There is a risk of clogging a cat or a spark plug but its rare unless your engine is very clogged.
You will not ever notice a diff in the once per oil change period of a gas tank seafoam fill. It may take a few cycles before things just seem to run well.
Techron isnt as powerful a cleaner as seafoam.
How much it makes a diff depends on how dirty your engine is or how gummed up it is.
Milage less than 45K you may not notice much difference. Over this and you will notice an improvement over idle, pickup and MPG on the air intake. There is a risk of clogging a cat or a spark plug but its rare unless your engine is very clogged.
You will not ever notice a diff in the once per oil change period of a gas tank seafoam fill. It may take a few cycles before things just seem to run well.
Techron isnt as powerful a cleaner as seafoam.
Last edited by jnash; Jul 9, 2012 at 11:51 PM.
