WAS MAKING A LEFT TURN WHEN ISUZU TROOPER PASSENGER FRONT HIT PASSENGER SIDE FRONT WHEEL OF MERCEDES AND PASSENGER DOOR WITH DRIVER SIDE FRONT. DURING IMPACT, FRONT SEAT BELT ON DRIVER'S SIDE FAILED TO RESTRAIN DRIVER. ALSO, CAUSED DRIVER'S BREAST IMPLANTS TO RUPTURE. OTHER PASSENGER FAILED TO WEAR SEAT BELT. BUT, AIR BAG DEPLOYED. *AK