2010 Mercedes-Benz ML550 Reviews & Ratings

The Mercedes-Benz ML550 Reliability Rating is 2.5 out of 5.0, which ranks it 12th out of 14 for luxury midsize SUVs. The average annual repair cost is $1,084 which means it has poor ownership costs. The frequency and severity of repairs are both higher than the average vehicle, which means you can expect a higher occurrence of major repairs for the ML550.