Transmission Additive - Mercedes-Benz Forum
 
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#1 (permalink) Old 06-18-2013, 10:41 AM
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Transmission Additive

Folks,

Any thought on adding Transmission Additive prior to Transmission fluid change?

Like Seafoam transmission additive.

This is 2004 E320 w/ 5 speed.

Any input is appreciated.
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#2 (permalink) Old 06-18-2013, 01:07 PM
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I would not, just do a fluid change and clean the pan and magnet.
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#3 (permalink) Old 06-18-2013, 02:02 PM
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Thank you for the input.

The reason why I asked is that I noticed some folks at W210 forum have mentioned using Lucas Trans Additive to loosen up some build-up in there so it gets to be cleaned up a bit when transmission fluid is drained.

722.6 is good transmission but very finicky with what you "feed" it, at least that is what I got from reading numerous threads.
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#4 (permalink) Old 06-18-2013, 03:03 PM
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Originally Posted by dsulu View Post
Thank you for the input.

The reason why I asked is that I noticed some folks at W210 forum have mentioned using Lucas Trans Additive to loosen up some build-up in there so it gets to be cleaned up a bit when transmission fluid is drained.

722.6 is good transmission but very finicky with what you "feed" it, at least that is what I got from reading numerous threads.
I'm not sure who "some folks" are, but either way the vast majority of members here across all forums advise against the use of additives in the AT...as do most indies and (I would bet) every dealer.

You're right about how finicky these 722.6xx transmissions are, which is exactly why additives aren't a good idea. Spec fluid at regular intervals is the best you can do; it has detergent additives, etc. and that will help clean out the buildup.

Good luck.

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#5 (permalink) Old 06-18-2013, 10:08 PM
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Thanks for the input.

I didn't know the additive is already in the MB trans. fluid.

Not to start another trans fluid thread, just a quick comparison of

Shell ATF 134 and

Fuchs ( OE supplier according to the info listed on autohausaz.com)

does any know if the same cleaning additive is included in either or both.

Price wise, Shell seems way cheaper at $7.50/bottle vs. $12.29/bottle
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#6 (permalink) Old 06-19-2013, 12:59 AM
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I have a good friend that manages a fleet of 14 sprinters and all they use is the Shell ATF 134. So far so good and many of them are over 200k miles.

I do not know what Shell's additive package is, but it meets the MB specs for the 722.6xx transmissions.
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