- Newest year: 2020
- Gas
- Plug-in hybrid
- Large cars
2014-2020 Mercedes-Benz S-Class MPG & Fuel Cost
7 model years · 15–22 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Cheaper to fuel than 4 of 10 large car configurations, MY2020. Ranked against all rated configurations, not sales-weighted.
2014-2020 Mercedes-Benz S-Class at a glance
The 2014-2020 Mercedes-Benz S-Class covers 7 model years in the EPA database (75 configurations in all), rated 15–22 MPG combined. The newest model year, 2020, costs about $3,660 a year to fuel for its most efficient version, the S450 3.0L 6-cyl turbo RWD (22 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). Powertrains over the years: gas and plug-in hybrid. EPA changed the ratings in 2015, 2016, 2017, 2018, 2019 and 2020. The best combined rating in the generation, 22 MPG, was reached in 2018, 2019 and 2020.
2014-2020 Mercedes-Benz S-Class by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2020 | Gas, Plug-in hybrid | 16–22 MPG | $2,510–$5,170 | Ratings changed |
| 2019 | Gas, Plug-in hybrid | 16–22 MPG | $2,510–$5,170 | Ratings changed |
| 2018 | Gas | 16–22 MPG | $3,660–$5,170 | Ratings changed |
| 2017 | Gas, Plug-in hybrid | 16–21 MPG | $2,580–$4,990 | Ratings changed |
| 2016 | Gas, Plug-in hybrid | 15–20 MPG | $2,560–$5,280 | Ratings changed |
| 2015 | Gas, Plug-in hybrid | 15–20 MPG | $2,560–$5,260 | Ratings changed |
| 2014 | Gas | 18–20 MPG | $4,010–$4,500 | First year |
What the 2020 S450 3.0L 6-cyl turbo RWD costs to drive
Per month
$305
$3,660 a year ÷ 12
Per 25 miles
$6.10
Per 100 miles
$24.40
Five years
$18,300
5 × the yearly cost, prices held at today's level
vs the large car median
$340more a year
Class median $3,320 a year, MY2020
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2020 Mercedes-Benz S-Class MPG
Versus 2019: The most efficient configuration stays at 22 MPG. Its annual cost stays at $3,660.
On electricity 64 MPGe, with 19 miles of electric range.
See plug-in hybrid configurationsGas configurations (12)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S450 (Most efficient) | 3.0L 6-cyl turbo | RWD | 19 | 28 | 22 | $3,660 |
| S450 4matic | 3.0L 6-cyl turbo | 4WD | 18 | 28 | 22 | $3,700 |
| S560 4matic | 4.0L 8-cyl turbo | 4WD | 17 | 27 | 21 | $3,870 |
| S560 | 4.0L 8-cyl turbo | RWD | 17 | 27 | 21 | $3,920 |
| AMG S63 4matic Plus Coupe | 4.0L 8-cyl turbo | 4WD | 17 | 27 | 20 | $3,960 |
| S560 Convertible | 4.0L 8-cyl turbo | RWD | 17 | 26 | 20 | $3,980 |
| S560 4matic Coupe | 4.0L 8-cyl turbo | 4WD | 17 | 26 | 20 | $4,000 |
| AMG S63 4matic Plus | 4.0L 8-cyl turbo | 4WD | 17 | 26 | 20 | $4,010 |
| S560 4matic Maybach | 4.0L 8-cyl turbo | 4WD | 16 | 25 | 19 | $4,140 |
| AMG S63 4matic Plus Convertible | 4.0L 8-cyl turbo | 4WD | 15 | 24 | 18 | $4,470 |
Show 2 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Maybach S650 | 6.0L 12-cyl turbo | RWD | 13 | 21 | 16 | $5,160 |
| AMG S65 | 6.0L 12-cyl turbo | RWD | 13 | 22 | 16 | $5,170 |
12 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| S560e (Most efficient) | RWD | 23 | 64 | 19 mi | $2,510 |
Cost assumes EPA's utility factor: 49% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).
2019 Mercedes-Benz S-Class MPG
16–22 MPG · $2,510–$5,170/yr
Versus 2018: The most efficient configuration stays at 22 MPG. Its annual cost stays at $3,660.
On electricity 64 MPGe, with 19 miles of electric range.
See plug-in hybrid configurationsGas configurations (14)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S450 (Most efficient) | 3.0L 6-cyl turbo | RWD | 19 | 28 | 22 | $3,660 |
| S450 4matic | 3.0L 6-cyl turbo | 4WD | 18 | 28 | 22 | $3,700 |
| S560 4matic | 4.0L 8-cyl turbo | 4WD | 17 | 27 | 21 | $3,870 |
| S560 | 4.0L 8-cyl turbo | FWD | 17 | 27 | 21 | $3,920 |
| AMG S63 4matic Coupe | 4.0L 8-cyl turbo | 4WD | 17 | 27 | 20 | $3,960 |
| S560 Convertible | 4.0L 8-cyl turbo | FWD | 17 | 26 | 20 | $3,980 |
Show 4 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S560 4matic Coupe | 4.0L 8-cyl turbo | 4WD | 17 | 26 | 20 | $4,000 |
| AMG S63 4matic | 4.0L 8-cyl turbo | 4WD | 17 | 26 | 20 | $4,010 |
| Maybach S560 4matic | 4.0L 8-cyl turbo | 4WD | 16 | 25 | 19 | $4,140 |
| AMG S63 4matic Convertible | 4.0L 8-cyl turbo | 4WD | 15 | 24 | 18 | $4,470 |
| AMG S65 Convertible | 6.0L 12-cyl turbo | RWD | 14 | 21 | 16 | $4,900 |
| AMG S65 Coupe | 6.0L 12-cyl turbo | RWD | 13 | 21 | 16 | $4,990 |
| Maybach S650 | 6.0L 12-cyl turbo | RWD | 13 | 21 | 16 | $5,160 |
| AMG S65 | 6.0L 12-cyl turbo | RWD | 13 | 22 | 16 | $5,170 |
14 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| S560e (Most efficient) | RWD | 23 | 64 | 19 mi | $2,510 |
Cost assumes EPA's utility factor: 49% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).
2018 Mercedes-Benz S-Class MPG
16–22 MPG · $3,660–$5,170/yr
Versus 2017: The most efficient configuration moves from 21 to 22 MPG, up 1. Its annual cost goes from $3,910 to $3,660, $250 less.
Gas configurations (14)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S450 (Most efficient) | 3.0L 6-cyl turbo | RWD | 19 | 28 | 22 | $3,660 |
| S450 4matic | 3.0L 6-cyl turbo | 4WD | 18 | 28 | 22 | $3,700 |
| S560 4matic | 4.0L 8-cyl turbo | 4WD | 17 | 27 | 21 | $3,870 |
| S560 4matic Coupe | 4.0L 8-cyl turbo | 4WD | 17 | 27 | 21 | $3,870 |
| S560 | 4.0L 8-cyl turbo | FWD | 17 | 27 | 21 | $3,870 |
| AMG S63 4matic Coupe | 4.0L 8-cyl turbo | 4WD | 17 | 27 | 20 | $3,960 |
Show 4 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S560 Convertible | 4.0L 8-cyl turbo | FWD | 17 | 26 | 20 | $3,980 |
| AMG S63 4matic | 4.0L 8-cyl turbo | 4WD | 17 | 26 | 20 | $4,010 |
| Maybach S560 4matic | 4.0L 8-cyl turbo | 4WD | 16 | 25 | 19 | $4,140 |
| AMG S63 4matic Convertible | 4.0L 8-cyl turbo | 4WD | 15 | 24 | 18 | $4,470 |
| AMG S65 Convertible | 6.0L 12-cyl turbo | RWD | 14 | 21 | 16 | $4,900 |
| AMG S65 Coupe | 6.0L 12-cyl turbo | RWD | 13 | 21 | 16 | $4,990 |
| Maybach S650 | 6.0L 12-cyl turbo | RWD | 13 | 21 | 16 | $5,160 |
| AMG S65 | 6.0L 12-cyl turbo | RWD | 13 | 22 | 16 | $5,170 |
14 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2017 Mercedes-Benz S-Class MPG
16–21 MPG · $2,580–$4,990/yr
Versus 2016: The most efficient configuration moves from 20 to 21 MPG, up 1. Its annual cost goes from $4,010 to $3,910, $100 less.
On electricity 58 MPGe, with 14 miles of electric range.
See plug-in hybrid configurationsGas configurations (11)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S550 (Most efficient) | 4.7L 8-cyl turbo | RWD | 18 | 26 | 21 | $3,910 |
| S550 4matic Coupe | 4.7L 8-cyl turbo | 4WD | 17 | 25 | 20 | $4,030 |
| S550 Convertible | 4.7L 8-cyl turbo | RWD | 17 | 25 | 20 | $4,050 |
| S550 4matic | 4.7L 8-cyl turbo | 4WD | 16 | 25 | 20 | $4,110 |
| AMG S63 4matic Coupe | 5.5L 8-cyl turbo | 4WD | 15 | 23 | 18 | $4,430 |
| AMG S63 4matic | 5.5L 8-cyl turbo | 4WD | 15 | 23 | 18 | $4,500 |
Show 1 more configuration
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG S63 4matic Convertible | 5.5L 8-cyl turbo | 4WD | 14 | 22 | 17 | $4,700 |
| S65 AMG Convertible | 6.0L 12-cyl turbo | RWD | 14 | 21 | 16 | $4,900 |
| S600 | 6.0L 12-cyl turbo | RWD | 13 | 22 | 16 | $4,940 |
| AMG S65 | 6.0L 12-cyl turbo | RWD | 13 | 22 | 16 | $4,990 |
| S65 AMG Coupe | 6.0L 12-cyl turbo | RWD | 13 | 21 | 16 | $4,990 |
11 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| S550e (Most efficient) | RWD | 26 | 58 | 14 mi | $2,580 |
Cost assumes EPA's utility factor: 35% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).
2016 Mercedes-Benz S-Class MPG
15–20 MPG · $2,560–$5,280/yr
Versus 2015: The most efficient configuration stays at 20 MPG. Its annual cost stays at $4,010.
On electricity 58 MPGe, with 14 miles of electric range.
See plug-in hybrid configurationsGas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S550 (Most efficient) | 4.7L 8-cyl turbo | RWD | 17 | 26 | 20 | $4,010 |
| S550 4matic | 4.7L 8-cyl turbo | 4WD | 16 | 26 | 19 | $4,170 |
| S550 4matic Coupe | 4.7L 8-cyl turbo | 4WD | 16 | 24 | 19 | $4,210 |
| AMG S63 4matic Coupe | 5.5L 8-cyl turbo | 4WD | 15 | 23 | 18 | $4,430 |
| AMG S63 4matic | 5.5L 8-cyl turbo | 4WD | 15 | 23 | 18 | $4,500 |
| S600 | 6.0L 12-cyl turbo | RWD | 14 | 21 | 16 | $4,940 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG S65 Coupe | 6.0L 12-cyl turbo | RWD | 13 | 20 | 15 | $5,260 |
| AMG S65 | 6.0L 12-cyl turbo | RWD | 13 | 20 | 15 | $5,280 |
8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| S550e (Most efficient) | RWD | 26 | 58 | 14 mi | $2,560 |
Cost assumes EPA's utility factor: 35% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).
2015 Mercedes-Benz S-Class MPG
15–20 MPG · $2,560–$5,260/yr
Versus 2014: The most efficient configuration stays at 20 MPG. Its annual cost stays at $4,010.
On electricity 58 MPGe, with 14 miles of electric range.
See plug-in hybrid configurationsGas configurations (8)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S550 (Most efficient) | 4.7L 8-cyl turbo | RWD | 17 | 26 | 20 | $4,010 |
| S550 4matic | 4.7L 8-cyl turbo | 4WD | 16 | 26 | 19 | $4,170 |
| S550 4matic Coupe | 4.7L 8-cyl turbo | 4WD | 16 | 24 | 19 | $4,210 |
| S63 AMG 4matic Coupe | 5.5L 8-cyl turbo | 4WD | 15 | 23 | 18 | $4,430 |
| S63 AMG 4matic | 5.5L 8-cyl turbo | 4WD | 15 | 23 | 18 | $4,500 |
| S600 | 6.0L 12-cyl turbo | RWD | 13 | 21 | 16 | $5,160 |
Show 0 more configurations
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S65 AMG | 6.0L 12-cyl turbo | RWD | 13 | 20 | 15 | $5,260 |
| S65 AMG Coupe | 6.0L 12-cyl turbo | RWD | 13 | 20 | 15 | $5,260 |
8 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Plug-in hybrid configurations (1)
| Trim | Drive | Gas MPG | Electric MPGe | Electric range | $/yr |
|---|---|---|---|---|---|
| S550e (Most efficient) | RWD | 26 | 58 | 14 mi | $2,560 |
Cost assumes EPA's utility factor: 35% of miles are driven on electricity (residential electricity 18.3¢/kWh (U.S. average, Jul 2026)) and the rest on gasoline (premium gasoline $5.36/gal (U.S. average, Sep 2026)).
2014 Mercedes-Benz S-Class MPG
18–20 MPG · $4,010–$4,500/yr
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| S550 (Most efficient) | 4.7L 8-cyl turbo | RWD | 17 | 26 | 20 | $4,010 |
| S550 4matic | 4.7L 8-cyl turbo | 4WD | 16 | 26 | 19 | $4,170 |
| S63 AMG 4matic | 5.5L 8-cyl turbo | 4WD | 15 | 23 | 18 | $4,500 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the S450 3.0L 6-cyl turbo RWD: $4,360 in California and $3,170 in Texas, a $1,190 difference.
- California $4,360
- Washington $4,100
- New York $3,610
- Florida $3,340
- Texas $3,170
Similar cars
Closest combined MPG among MY2020 large car models.
Generations
- 2000-2006 (W220)
- 2007-2013 (W221)
- 2014-2020 (W222)
- 2021
- 2022-2023
- 2024-2027*
Frequently asked questions
What gas mileage does the 2014-2020 Mercedes-Benz S-Class get?
EPA rates the 2014-2020 Mercedes-Benz S-Class at 15–22 MPG combined across 75 configurations and 7 model years. The most efficient version, the 2020 S450 3.0L 6-cyl turbo RWD, is rated 22 MPG (19 city, 28 highway). By powertrain: Gas: 15–22 MPG; Plug-in hybrid: 23–26 MPG.
Which years had the best MPG in the 2014-2020 Mercedes-Benz S-Class?
The S450 3.0L 6-cyl turbo RWD reached the generation's best combined rating, 22 MPG, in 2018, 2019 and 2020. The lowest top rating, 20 MPG, was in 2014, 2015 and 2016.
Did EPA ratings change during the 2014-2020 Mercedes-Benz S-Class?
Yes. Ratings changed in 2015, 2016, 2017, 2018, 2019 and 2020.
How does the 2014-2020 Mercedes-Benz S-Class compare with the previous generation?
The previous generation (2007-2013 Mercedes-Benz S-Class) is rated 13–21 MPG combined and costs $3,820–$6,180 a year to fuel; the 2014-2020 model is rated 15–22 MPG and costs $2,510–$5,280 a year.
How much does it cost to fuel a 2020 Mercedes-Benz S-Class per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the S450 3.0L 6-cyl turbo RWD costs about $3,660 a year. Across all 13 configurations the cost runs $2,510–$5,170 a year. That is a $2,660 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2020 Mercedes-Benz S-Class 100 miles?
About $24.40 per 100 miles for the S450 3.0L 6-cyl turbo RWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $16.73 and $34.47 across all configurations. That is the annual cost over 15,000 miles divided by 150.
How does the 2020 Mercedes-Benz S-Class compare with other large car configurations?
The S450 3.0L 6-cyl turbo RWD costs about $3,660 a year to fuel, $340 more than the class median of $3,320, and less than 4 of 10 large car configurations. The comparison covers all 115 rated large car configurations for MY2020, not weighted by sales.
How far does the 2020 Mercedes-Benz S-Class plug-in hybrid go on electricity?
EPA rates the electric range at 19 miles, with a total range of 510 miles when the gasoline engine helps. Once the battery is used, the car runs as a hybrid at 23 MPG. The S560e 3.0L 6-cyl turbo RWD costs about $2,510 a year, assuming EPA's utility factor of 49% of miles on electricity, at premium gasoline $5.36/gal (U.S. average, Sep 2026) + residential electricity 18.3¢/kWh (U.S. average, Jul 2026).
Is the 2020 Mercedes-Benz S-Class different from the 2019 model?
The most efficient configuration stays at 22 MPG. Its annual cost stays at $3,660. EPA lists 13 configurations for 2020 against 15 configurations for 2019. See the 2019 Mercedes-Benz S-Class for that year.