2023 Mercedes-Benz GLS 450 4MATIC
The EPA rates the 2023 Mercedes-Benz GLS 450 4MATIC at 20 MPG combined (18 city / 23 highway).
At a glance
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Recalls
The 2023 Mercedes-Benz GLS 450 4MATIC is affected by 5 safety recall campaigns in NHTSA's records.
All 5 recall campaigns for the 2023 Mercedes-Benz GLS 450 4MATIC
Fuel economy
The EPA rates the 2023 Mercedes-Benz GLS 450 4MATIC at 20 MPG combined (18 city / 23 highway).