Mercedes-Benz
CLS550
U.S. fuel economy and specifications from the EPA.

21Best combined MPG2017 model year
2007–2018Model years12 with EPA ratings
12Rated configurationsDrive, transmission and engine
4.7–5.5 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2007 16 MPG
2008 16 MPG
2009 16 MPG
2010 16 MPG
2011 16 MPG
2012 20 MPG
2013 20 MPG
2014 20 MPG
2015 20 MPG
2016 20 MPG
2017 21 MPG
2018 21 MPG
1 configuration.
Rear-Wheel Drive · Automatic 9-spd
Premium gasoline · Compact Cars
- Combined MPG
- 21
- Engine displacement
- 4.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 9-spd
Premium gasoline · Compact Cars
- Combined MPG
- 21
- Engine displacement
- 4.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 9-spd
Premium gasoline · Compact Cars
- Combined MPG
- 20
- Engine displacement
- 4.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 9-spd
Premium gasoline · Compact Cars
- Combined MPG
- 20
- Engine displacement
- 4.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 20
- Engine displacement
- 4.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 20
- Engine displacement
- 4.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 20
- Engine displacement
- 4.7 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 16
- Engine displacement
- 5.5 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 16
- Engine displacement
- 5.5 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 16
- Engine displacement
- 5.5 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 16
- Engine displacement
- 5.5 L
- Cylinders
- 8
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Compact Cars
- Combined MPG
- 16
- Engine displacement
- 5.5 L
- Cylinders
- 8