newbie

[robbo123]

hi everyone i'm new here but i have been looking for a while now at the other questions posted,to no joy i have a 1998 ml a my drivers side passenger door is bouncing tryed the wd40 to no joy so any other help would be very much appriciated.
I keep hearing about the vacume side but dont know if mine is or wher to look.

 

[eric242340]

hi everyone i'm new here but i have been looking for a while now at the other questions posted,to no joy i have a 1998 ml a my drivers side passenger door is bouncing tryed the wd40 to no joy so any other help would be very much appriciated.
I keep hearing about the vacume side but dont know if mine is or wher to look.

Can you explain better, bouncing?

 

[robbo123]

bouncing it's when the door wont lock but try's so button goes up down up down ,the rest of the doors lock apart from the back door.