2014 Mercedes-Benz GL550 Reviews & Ratings

The Mercedes-Benz GL550 Reliability Rating is 1.0 out of 5.0, which ranks it 19th out of 19 for luxury fullsize SUVs. The average annual repair cost is $1,295 which means it has poor ownership costs. The frequency and severity of repairs are both much higher than the average vehicle, which means you can expect more major repairs for the GL550.