stick

Hi all I've recently purchased a 2018 MERCEDES-BENZ CLA 220 D AMG LINE AUTO and I've noticed when I put it in reverse as as I sometimes break I hear a knock/tapping sound. Its not overly loud but enough to make me wonder/worry what it is, its pretty hard to explain but its like a sticking and...

Hi, This is my first post, so apologies in advance for any errors or lack of information. I have a 2005 E350 7G Gearbox. Car has done 45k miles serviced etc. The car has recently stuck in 3rd gear. This was after a period of time, so car had warmed up. Tried to upshift and downshift...