2017 Mercedes-Benz S-Class
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2017 Mercedes-Benz S-Class is sold in the U.S. with gasoline and plug-in hybrid power. The EPA lists 12 configurations for this model year, with combined economy from 16 to 26 MPG and an estimated annual fuel cost of $3,050 to $5,000 at 15,000 miles.
Key numbers
| Model year | 2017 |
|---|---|
| Vehicle class | Large Cars |
| Fuel type(s) | Gasoline, Plug-in Hybrid |
| Combined economy | 16-26 MPG |
| Best / worst combined | 26 / 16 MPG |
| Annual fuel cost | $3,050-$5,000 |
| Tailpipe CO₂ | 229-553 g/mi |
| EPA smog rating | 6-9 / 10 |
What it costs to fuel
Across its configurations, the 2017 S-Class costs about $3,050 to $5,000 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $4,371. Over five years that is about $21,854 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.
Relative to an average new vehicle, this S-Class configuration spends about $750 more on fuel over five years.
For context, the average combined economy of large cars in this dataset is about 29 MPG. The S-Class sits roughly 8 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.
Configurations and fuel economy
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| S550e | 3.0L 6-cyl turbo | Rear-Wheel | Automatic | Plug-in Hybrid | 26 MPG | $3,050 |
| S550 | 4.7L 8-cyl turbo | Rear-Wheel | Automatic | Gasoline | 21 MPG | $3,800 |
| S550 Convertible | 4.7L 8-cyl turbo | Rear-Wheel | Automatic | Gasoline | 20 MPG | $4,000 |
| S550 4matic | 4.7L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 20 MPG | $4,000 |
| S550 4matic Coupe | 4.7L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 20 MPG | $4,000 |
| AMG S63 4matic Coupe | 5.5L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 18 MPG | $4,450 |
| AMG S63 4matic | 5.5L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 18 MPG | $4,450 |
| AMG S63 4matic Convertible | 5.5L 8-cyl turbo | 4-Wheel | Automatic | Gasoline | 17 MPG | $4,700 |
| S65 AMG Convertible | 6.0L 12-cyl turbo | Rear-Wheel | Automatic | Gasoline | 16 MPG | $5,000 |
| S600 | 6.0L 12-cyl turbo | Rear-Wheel | Automatic | Gasoline | 16 MPG | $5,000 |
| AMG S65 | 6.0L 12-cyl turbo | Rear-Wheel | Automatic | Gasoline | 16 MPG | $5,000 |
| S65 AMG Coupe | 6.0L 12-cyl turbo | Rear-Wheel | Automatic | Gasoline | 16 MPG | $5,000 |
Emissions, safety and size
The 2017 S-Class records tailpipe CO₂ of 229-553 g/mi, an EPA smog rating of 6-9 out of 10, and an EPA electric range of 450 to 450 miles when running on battery. The EPA classifies it as large cars.
Compare this car
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.