I WAS JUST WONDERING IF THE S200'S CAME WITH A KEYLESS ENTRY MODULE ALREADY INSIDE THEM? i HAVE THE PUSH BUTTON START ON THE LEFT HAND SIDE OF MY STEERING WHEEL. I ONLY HAVE A REGULAR KEY FOR THE CAR BECAUSE WHEN I GOT IT, IT DIDN;T HAVE KEYS TO IT. I REALLY WANT THE KEYLESS ENTRY BUT NOT SURE IF I HAVE TO BUY THE WHOLE KIT OR JUST THE REMOTE. ANY THOUGHTS WOULD BE APPRECIATED.