I present part 1 of my multipart preventative maintenance series on the 2004 to 2010 722.9 automatic transmissions. After 2010 it was called the 722.9+. Here, we will take a close look at the fluid and filter from a 2004 transmission with 78,000 miles. It is not a pretty sight. Later I will discuss an upgrade you can do on a 2004 to 2010 model (part 2), how to do a DIY full system flush (part 3), how to repair a failed transmission (part 4), and how to use a new generation scanner (around $500) to troubleshoot problems and get you home when your transmission glitches or fails to move. (part 5) and finally, doing a service on a 2014 model 722.9+ with only 40K miles on it. (part 6). Factory says 60K on these later versions. Let us see if that is true.
Here is the link to all my detailed instruction videos. Good way to support my channel and learn something new in return. https://mercedessource.com/store/sear...

LINK TO PART 2:    • Mercedes 722.9 7G Failure Prevention ...  

LINK TO PART 3:    • Mercedes 722.9 7G Failure Prevention ...