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Updated step by step transmission service

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Old Dec 29, 2012 | 11:11 PM
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Updated step by step transmission service

Updated on 12.8.11




Sorry if pictures are bad but it wont let me save directly from WIS.





Disclaimer: Purposefully for educational purposes, not intended for un- authorized technicians. Strictly Educational so stealerships can once and for all stop lying.

UPDATE - changed it to pdf.
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Transmission Service.pdf (687.6 KB, 2927 views)

Last edited by Bosnia1992; Dec 30, 2012 at 01:38 PM.
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Old Dec 30, 2012 | 02:09 AM
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Just to clarify, this is for the 7g tranny, not the 5spd which has no tq converter drain right?
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Old Dec 30, 2012 | 02:25 AM
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you are correct. I can look yours up tomorrow if you'd like.


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Old Dec 30, 2012 | 03:07 AM
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Originally Posted by Bosnia1992
you are correct. I can look yours up tomorrow if you'd like.


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That would be much appreciated as I recently changed my fluid but only from the tranny case and could not drain the tq converter. I have a 2010 C200 lux model with the 5spd auto.
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Old Dec 30, 2012 | 09:53 AM
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Any instructions out there for the 7G Tronic PLUS (without Stop/Start)? Glad this site is active!
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Old Dec 30, 2012 | 12:09 PM
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Originally Posted by spyked
Any instructions out there for the 7G Tronic PLUS (without Stop/Start)? Glad this site is active!
I'm not sure if this helps any but all i could find, i believe it's the same procedure instead of servicing at 39k its at 70k for transmission.
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Old Dec 30, 2012 | 12:58 PM
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Originally Posted by Bosnia1992
I'm not sure if this helps any but all i could find, i believe it's the same procedure instead of servicing at 39k its at 70k for transmission.
Yes, I read that. Thanks for posting. I was wondering if the amount of fluid is the same for the 7G Plus. And if the amount of fluid differs for 7G PLUS with STOP/START option vs. 7G PLUS without STOP/START optioin.

I'll do more digging
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Old Dec 30, 2012 | 06:36 PM
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2011 C300 4matic sport
Thanks for the link. Question: which models have the 722.93 transmission? From reading other threads, it appears that some dealers are referencing the "drain torque converter...except 722.93" clause to not drain the TC. Are these used in the diesel models?
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Old Dec 31, 2012 | 09:40 AM
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Originally Posted by global33
Thanks for the link. Question: which models have the 722.93 transmission? From reading other threads, it appears that some dealers are referencing the "drain torque converter...except 722.93" clause to not drain the TC. Are these used in the diesel models?
I believe all 08 and later c300 models have a TC plug with exception of some 08's without one which is rare, those that don't are possibly the diesel models or manual? not exactly 100% sure.
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Old Dec 31, 2012 | 04:49 PM
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Originally Posted by Bosnia1992
I believe all 08 and later c300 models have a TC plug with exception of some 08's without one which is rare, those that don't are possibly the diesel models or manual? not exactly 100% sure.
Are you sure the exceptions were just in 08 models? There was a long thread on this where 2 or 3 people definitely did not have the TC drain. I don't remember the years.

.
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Old Dec 31, 2012 | 04:52 PM
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Originally Posted by kevink2
Quote:

Originally Posted by Bosnia1992

I believe all 08 and later c300 models have a TC plug with exception of some 08's without one which is rare, those that don't are possibly the diesel models or manual? not exactly 100% sure.

Are you sure the exceptions were just in 08 models? There was a long thread on this where 2 or 3 people definitely did not have the TC drain. I don't remember the years.

.
from what I've read is that all have tc drain besides the early 722.9 transmissions used in 99' with the exception of some 2007 manufactured 08's


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Old Jan 1, 2013 | 09:34 AM
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When i took my 2009 in for the transmission service last year, the techs confirmed that there was not a drain plug in my torque converter. I watched 3 guys under my car rotate the engine looking for the plug. They didn't find one.
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Old Jan 1, 2013 | 07:09 PM
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Originally Posted by Bosnia1992
from what I've read is that all have tc drain besides the early 722.9 transmissions used in 99' with the exception of some 2007 manufactured 08's
My 2008 built in September 2007 has a drain plug.
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Old Jan 1, 2013 | 09:37 PM
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Any luck on the 5spd auto?
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Old Feb 2, 2013 | 05:12 PM
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nothing on the 5spd sorry.
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Old Feb 2, 2013 | 08:46 PM
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That sucks, thanks for trying.
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Old Feb 2, 2013 | 08:48 PM
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Originally Posted by Bosnia1992
from what I've read is that all have tc drain besides the early 722.9 transmissions used in 99' with the exception of some 2007 manufactured 08's


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As I have posted too many times, my Sept. 2007 production Bremen C300 has a TC drain. How early is early?
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Old Apr 19, 2013 | 04:54 PM
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Hello. Thanks for the great write up. I have a 2005 E500 with the 722.901 transmission. I would like to get the new transmission oil pan. I've looked everywhere for the part number for that. Could you please post the part number for the new oil pan and what non-dealer places I can get one?

Thanks
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Old May 15, 2013 | 09:46 AM
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Do you guys have any info for the manual transmission service? I understand that the transmission mostly does not need to be serviced however I would like to have the oil changed for various reasons... thanks for any info.
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Old May 15, 2013 | 06:56 PM
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Manual should be even easier as you don't have a tq converter to worry about.
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Old Jul 20, 2015 | 10:23 AM
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how much fluid goes in the full transmission service? i have my service right now I want to make sure they put the right amount in. with the Tc drain aw well I believe I saw 8-9quarts i'll keep digging but maybe someone will know faster than i can find it.
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Old Jul 20, 2015 | 10:34 AM
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Originally Posted by newmbmarko
how much fluid goes in the full transmission service? i have my service right now I want to make sure they put the right amount in. with the Tc drain aw well I believe I saw 8-9quarts i'll keep digging but maybe someone will know faster than i can find it.
9 quarts.
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Old Jul 20, 2015 | 10:37 AM
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Originally Posted by Bosnia1992
9 quarts.
hvala! i thought that was the amount.
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Old Jul 20, 2015 | 10:44 AM
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Originally Posted by newmbmarko
hvala! i thought that was the amount.
Indeed it is. Nema nacemu. Make sure they don't charge you extra for draining the TC either. In their WIS (workshop information system) the steps for the 39k transmission service indicate draining the TC as well. Some dealerships, not saying all, like to do a half *** job for the full price like mine did. Being informed is their worst enemy. Hope it goes well!
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Old Jul 20, 2015 | 01:27 PM
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C300 transmission service

My guess is you have an automatic.
In Europa we used to frown on people buying automatics...
Anyway, the user manua will tell you the quantity your car needs.
You can confirm this with the parts department.
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