THE HEATED SEATS CAUGHT ON FIRE, BURNED PASSENGER WHILE DRIVING. SEATS IN FLAMES, STARTED TO SMOKE BURNING PASSENGER CLOTHING. PASSENGER TURNED OFF HEATED SEATS AND STOPPED THE VEHICLE FOR POTENTIAL DANGER TO OTHERS, THIS IS A VERY DANGEROUS PROBLEM MERCEDES IS ENGINEERING CARS THAN BURN WHILE DRIVING, THAT HAVE SIMILAR PROBLEM ITS SISTER CAR MERCEDES M SERIES, WHICH ARE COMPRISED OF SAME COMPONENTS, DIFFERENT BODY STYLE, BUT OVERALL COMPONENTS ELECTRICAL, MECHANICAL AND INTERIOR ARE BASICALLY SAME, BUT M SERIES IS BEING RECALLED BUT NOT THE LESS PURCHASED R SERIES, WHICH HAS THE SAME PROBLEMS WITH POWER STEERING, ELECTRICAL AND SO ON, WHY MERCEDES RECALLING THE M SERIES WHEN R SERIES SISTER CAR 99% ITS COPY?. THIS IS A CONSUMER??S WORST NIGHTMARE! ONE CAR IS BEING IGNORED WHILE OTHER IS ACKNOWLEDGED DUE TO ITS HIGHER SALES. BOTH VEHICLES M SERIES/R SERIES SHOULD EVALUATED AS SAME UNIT AND NOT SEPARATELY, THEY ARE ENGINEERED FROM SAME BLUEPRINT, USE 90% OF SAME COMPONENTS. TOLD BY SERVICE TECHNICIAN, THAT MERCEDES FIXES POWER STEERING UNITS FOR FREE ON M SERIES, WHILE PURCHASING1 QUART OF POWER STEERING FLUID FOR BROKEN UNIT, SEALS BLOWN PRIOR TO 49,000 MILES WITH A CLEAN CAR FAX? THE DEALER, I PURCHASED IT FROM TOLD ME TO BRING IT BACK TO ADD MORE POWER STEERING FLUID WHICH LASTED 8 MONTHS BEFORE, I REALIZED THE SEALS WERE BROKEN AND I PURCHASED A LEMON! THE MERCEDES R SERIES WITH CLEAN CAR FAX DID INDEED COME WITH MECHANICAL AND ELECTRICAL PROBLEMS, SINCE THERE ARE SO FEW