One problem related to front suspension lower ball joint has been reported for the 2016 Tesla Model S. The most recently reported issues are listed below.
Cracked front suspension - lower fore arm - drivers side, cracked at the ball joint interface resulting in the ball joint separating from the control arm. This vehicle has 23,140 miles and has only been driven on paved roads in the midwest us. No off road or rough service. Failure happened while backing out of a parking space. Within 5 feet a loud snap was heard then rubbing like the tire was hitting the wheel well. Stopped the car and found the drivers side lower ball joint separated at the lower fore arm. Lower fore arm was cracked. Tesla towed the vehicle to service center and replace fore link assy, lh (1041570-00b). Original damage to part appeared to be a crack in the part with lower fore arm interface hole to the ball joint still round in shape. Picture attached show more damage due to moving the vehicle for towing and repair.