Somewhere in my pea sized brain I got the idea that the W164 transmission was suppose to be checked and/or flush and filled at 30,000 miles. Maybe the service advisor put that thought in there telepathically I don't know. After reading the Service Booklet I see it says 40,000 or two years which I am not at yet. I already got lied to when I bought the car as I was told the Service Booklet was wrong and my service intervals were at 13K miles vs. 10K. Since I have a diesel I called M-B and got myself straight on that last year, but I was still a little miffed. So a reply confirming the 40K or 2 year mark for tranny service is appreciated. Can I have an AMEN!?