Do Fuel System Cleaners Work? - Page 2 - Mercedes-Benz Forum

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post #11 of 15 (permalink) Old 08-11-2007, 08:07 AM
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fuel system cleaners

100 to 1 ratio of fuel to cheap transmission fluid
This works on the W108/W109's
got this from the M-100 groups guys
The International M-100 Group

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post #12 of 15 (permalink) Old 08-11-2007, 11:15 AM
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I use BG 44K sold at Napa and Carquest. The dealerships and small shops all use this product. They believe there is nothing on the market like it.
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post #13 of 15 (permalink) Old 08-11-2007, 07:53 PM
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Originally Posted by bgoin
I used Techron Concentrate on my 1992 190E 2.6, the problem was it did not start instantly like I did in the pass, after using Techron, it started instantly again! I am a believer. Just follower the directions (gas tank should be near empty).
I just added some Techron concentrate in the wife's 300E. Hers has the same problem - long crank before it starts cold. I think the injectors may have some buildup and are not closing - possibly bleeding off the fuel pressure when cold. I'm hoping a few tanks and bottles of Techron will cure the problem.

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post #14 of 15 (permalink) Old 08-11-2007, 08:03 PM
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Amen to the BG 44K!!!!

It is the BEST. I use every spring in all my cars. Techron is probably second best, I used for years before discovering the remarkable 44K.

I think using quality fuel and either of these products will pretty much insure good clean system and no probs.
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post #15 of 15 (permalink) Old 08-11-2007, 10:33 PM
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While your at it; please change out your Fuel Filter.
Lots of folks forget to change out that critical filter.
Before you do that though.
Clean out your MAF, clean or replace out your Air Filter and clean
out the Air Box, THEN change out your Fuel Filter.
You should notice a very positive change.
Fuel filter should be changed out once a year.

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