- Mercedes Benz E Class AMG: How to check Transmission fluid
Step by step instructions for do-it-yourself repairs
W211 transmission fluid change
I do my own changes and recently found Shell ATF134 which is approved by MB for the 722.6 transmission for approximately $4.50 a quart. Order the filter from Parts.com for about $12 and a gasket for another $10.
Here is the link to Ryder who mail orders the fluid for 4.26 plus shipping (cheap). http://www.ryderfleetproducts.com/ry...oductDetail.do
I bought some fluid from Ryder, but they charged me for CA taxes, as well as a fee for hazardous material. Total cost per bottle was $5.19, which was a little more than what I was planning originally, but still a good deal.
However, I don't do the flush. I drain the transmission and change the filter and have found it will need 4 quarts to fill it. Run it for a few hundred miles and suction the transmission from the fill tube and then refill the amount taken out which will be about 3 quarts.
This method basically gets most of the old fluid out. I also do a 30K mile change interval now with the filter and fluid.
My transmission now shifts perfectly and is smooth as glass.

Search and you will find a Mb video about how they recommend they do perform it in Germany, maybe on one of the Gwagen sites.
Guess the German units need service but ours magically are lifetime!
However, I don't do the flush. I drain the transmission and change the filter and have found it will need 4 quarts to fill it. Run it for a few hundred miles and suction the transmission from the fill tube and then refill the amount taken out which will be about 3 quarts.
This method basically gets most of the old fluid out. I also do a 30K mile change interval now with the filter and fluid.
My transmission now shifts perfectly and is smooth as glass.
Last edited by grane; Jun 23, 2011 at 01:58 PM.
Search and you will find a Mb video about how they recommend they do perform it in Germany, maybe on one of the Gwagen sites.
Guess the German units need service but ours magically are lifetime!
I follow the same procedure as you but not the repeat procedure. Instead of removing the pan the second time I just suction all the fluid I can via the fill tube and then refill with more new fluid.
Using either method will do the trick. get the dirty fluid for the most part out.
Then change it (fluid and filter) every 30K and all should be good.
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I follow the same procedure as you but not the repeat procedure. Instead of removing the pan the second time I just suction all the fluid I can via the fill tube and then refill with more new fluid.
Using either method will do the trick. get the dirty fluid for the most part out.
Then change it (fluid and filter) every 30K and all should be good.
No doubt smoothness is improved, quieter too.
changing the filter twice maybe overkill on my part.
Last edited by grane; Jun 23, 2011 at 05:10 PM.
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The second time I changed the filter is was still very clean.






