2009 Mercedes-Benz SL550
The EPA rates the 2009 Mercedes-Benz SL550 at 16 MPG combined (13 city / 21 highway).
At a glance
- Fuel economy
- 16 MPG combined
Sources: NHTSA complaints, recalls and 5-Star ratings; U.S. EPA
Fuel economy
The EPA rates the 2009 Mercedes-Benz SL550 at 16 MPG combined (13 city / 21 highway).