C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

transmission service.

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Old May 14, 2013 | 12:19 PM
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YoussefAbe's Avatar
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07 tsx, 09 c300
transmission service.

Hey guys,

So as some of you may know this is my first benz, i have had it almost a month now and i enjoy riding it with a passion. As i was going through the service records i didn't see anything for a transmission service, was this something that was supposed to be done? at what interval? should i rush out and get it ? some people told me if the car is running with the same fluid your better off not changing it because it can start new problems?
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Old May 14, 2013 | 12:29 PM
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LILBENZ230's Avatar
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2019 G70 6MT & 2022 Ford Maverick XL
It is due, and is a must, at 39000 miles. They must drain the pan and the torque converter. How many miles are you at?

Those people who say changing it now will cause problems - are these Honda folks? Honda's transmission nightmares from 1998-2004 with the V6 Accord, TL, etc were more prone to problems if you flushed it. But that transmission was extraordinarily poor in design. This is not true of the 722.9 or any Benz transmission that I know of.
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Old May 14, 2013 | 12:31 PM
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YoussefAbe's Avatar
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07 tsx, 09 c300
Im close to 50k miles right now. and yes they are honda\acura\nissan tech's that were telling me that.

how much should the service cost?
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Old May 14, 2013 | 12:57 PM
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I don't ever recommend a Transmission Flush, but the fluid does need to be drained from the pan and the Torque Converter (TC) and the filter needs to be replaced. If the dealership says they don't need to drain the Torque Converter- they are wrong. There is actually the WIS document and a whole "Sticky Thread" at the top of the W204 page specifically pertaining to the 722.9 Transmission.
No offense to your friends- but I encounter numerous "mechanics" that know absolutely nothing about a Mercedes. Some are even Mercedes techs (Scary).
The service (if done correctly) may cost $500-$600 at a dealership. I found a local Euro shop that looked at the WIS and quoted me $350-$400 using the OEM parts/fluids, but that was an extremely LOW quote.

https://mbworld.org/forums/c-class-w...ce-thread.html

Last edited by AkaSigFreak; May 14, 2013 at 12:59 PM.
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Old May 14, 2013 | 03:13 PM
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I agree

Originally Posted by AkaSigFreak
I don't ever recommend a Transmission Flush, but the fluid does need to be drained from the pan and the Torque Converter (TC) and the filter needs to be replaced. If the dealership says they don't need to drain the Torque Converter- they are wrong. There is actually the WIS document and a whole "Sticky Thread" at the top of the W204 page specifically pertaining to the 722.9 Transmission.
No offense to your friends- but I encounter numerous "mechanics" that know absolutely nothing about a Mercedes. Some are even Mercedes techs (Scary).
The service (if done correctly) may cost $500-$600 at a dealership. I found a local Euro shop that looked at the WIS and quoted me $350-$400 using the OEM parts/fluids, but that was an extremely LOW quote.

https://mbworld.org/forums/c-class-w...ce-thread.html
I agree.
MB is very clear on this service every 40,000 miles for best transmission durability and performance.

whunter@pelicanparts.com

.
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Old May 14, 2013 | 03:46 PM
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YoussefAbe's Avatar
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07 tsx, 09 c300
okay so i have to get this service done Sap, when i got my a service they noticed thayi had a minor leak in the TC & Vaccum pump i am going to get this service done (leak fix) at a local indie shop. do you reccomend me getting the leak fixed before or after the transmission service ?
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