There are 3 owner-reported fuel system complaints for the 2008 Mercedes-Benz ML-Classin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
smells badly for gas in cabin and outside
ONGOING ISSUES WITH THE VEHICLES CAMSHAFT SOLENOID SYSTEM. ANNUALLY I HAVE THIS ISSUE. WHAT IS HAPPENING IS THAT ONCE A YEAR THE CHECK ENGINE LIGHT COMES ON AND I AM BEING TOLD BY REPAIR SPECIALISTS THAT THE CAMSHAFT SOLENOID MUST BE REPLACED. I REPLACE THEM AND THE NEXT YEAR I HAVE THE SAME CHALLENGE. I FIND IT STRANGE THAT MERCEDES HAS YET TO DO A RECALL ON THIS AS I'VE SEARCHED ONLINE AND THIS SEEMS TO BE AN ONGOING ISSUE WITH ALL OF THEIR VEHICLE'S TRANSMISSION SYSTEM.
2008 MERCEDES BENZ ML63. CONSUMER STATES PROBLEMS WITH GASOLINE LEAK AND FUEL GAUGE INDICATOR *TGW WHILE DRIVING ON A COLD RAINY DAY, GAS FUMES GRADUALLY FILLED THE PASSENGER COMPARTMENT. THE WINDOWS WERE ROLLED UP AND THE HEATER WAS ON AT THE TIME. SHORTLY AFTER, THE GAS GAUGE INDICATOR BEGAN TO APPROACH EMPTY MUCH FASTER THAN USUAL. ABOUT AN HOUR LATER, WHILE THE VEHICLE WAS PARKED, THE CONSUMER NOTICED GAS FLOWING ON THE GROUND AROUND THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALERSHIP AND AN INSPECTION REVEALED A RUPTURE IN THE GAS TANK. THE CONSUMER WAS INFORMED SOMETHING SUCH AS A ROAD HAZARD MUST HAVE HIT THE VEHICLE. *JB MB DENIED THE CONSUMERS REQUEST FOR REIMBURSEMENT. UPDATED 06/10/10.*JB
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026