PROBLEM #1). THE INTERIOR DRIVER AND PASSENGER DOOR HANDLES HAVE A CHROME TAPE OF SOME TYPE THAT COVERS THE HANDLES. THIS TAPE OVERTIME COMES OFF ON THE INSIDE AND IT IS EXTREMELY SHARP LIKE A RAZOR. I CUT MY FINGER TWICE ON THE DRIVER-SIDE AND A PASSENGER GOT CUT ON THE PASSENGER SIDE A YEAR LATER. I CONTACTED MERCEDES ABOUT THIS AND THEY WOULDN'T DO OR OFFER ANYTHING. PROBLEM #2). THE DRIVER AND PASSENGER SUN VISORS OVERTIME GET VERY VERY STIFF AND WILL NOT GO BACK ALL THE WAY UP. MY WIFE CAN NOT EVEN MOVE THEM AT ALL. I ALSO VERBALLY REPORTED THESE PROBLEMS TO PENSKE MERCEDES IN WEST COVINA, CA TO MY SERVICE WRITER AND HE STATED "YES WE ARE AWARE AS IT IS A COMMON PROBLEM HOWEVER THERE IS NO RECALL ON THOSE ITEMS". HE WANTED TO CHARGE ME $275 FOR EACH SUN VISOR TO BE REPLACED AND THAT DID NOT INCLUDE LABOR TO INSTALL THEM. PROBLEM #3). LOWER BALL JOINTS GO OUT QUITE FREQUENTLY AND IS ALSO A "KNOWN COMMON PROBLEM". *TR