Help me with an opinion/advice, mercedes w203 automatic gearbox.

[Sergiu]

Hello everyone my car is w203 C200cdi gearbox 722.699, who can help me with some advice, a sound is heard I think from the gearbox, always when the car goes and sometime when the car stay in parking mode and sometime when push the acceleration pedal at 2000rpm, maybe someone has met something like this before, maybe someone know a good and onest service which repairs mercedes gearbox. I put the videos with problem .Thank you.
video:

 

[Sergiu]

Problem solved, Park brake cable catching on the prop shaft, broken clips.