It was regularly serviced by the dealer up to 60K according to the stamps in the service booklet ( one owner car with most all service records) if I remember right. My particular local MB dealer is NOT someone I want to do any business with so if you could pull an advisers report I would be mucho thankful!!Just FYI, if your 400 has had any dealer or MB specialist provided service at any of the 30K intervals it has almost certainly had a transmission fluid and filter change. It was non-optional centerpiece of any 30K interval service. Post or PM me your VIN and when I get back to work next Tuesday, I can see if the factory's stored data shows any of the services performed. Any service done at a dealer may be be logged in there.
Will send the Vin in a PM later today or tomorrow THANKS.