Mercedes-Benz
SL400
U.S. fuel economy and specifications from the EPA.

23Best combined MPG2015 model year
2015–2016Model years2 with EPA ratings
2Rated configurationsDrive, transmission and engine
3 LEngine sizeDisplacement
Best combined MPG by model year
The highest EPA rating among each year's configurations.
2015 23 MPG
2016 23 MPG
1 configuration.
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Two Seaters
- Combined MPG
- 23
- Engine displacement
- 3.0 L
- Cylinders
- 6
Rear-Wheel Drive · Automatic 7-spd
Premium gasoline · Two Seaters
- Combined MPG
- 23
- Engine displacement
- 3.0 L
- Cylinders
- 6