CLK500 772.6 transmission problem
 

Just changed the fluid and filter, plus the 13 pin connector. Now it won't move. Slight drop in revs when you engage R or D, but no go. No fault codes, no warning lights. Fluid was changed just because I got the car with 220000ks and nothing in the service history to say if it had ever been done. Any ideas?

Have you tried pulling the fault codes? If it's a transmission issue, then you should have some codes come up.

I was just thinking about doing the same thing but I might hold off now till get some more answers to your problem

Oops! Poured the trans fluid into the wrong dip stick tube. It seems my "no oil dipstick" car nevertheless has a dipstick tube right next to the transmission fluid one. Just that you cannot see the transmission one unless you remove the air filter housing. Then again, this "sealed for life" transmission has a drain plug….