- Newest year: 2027
- Gas
- Hybrid
- Small cars
- Partial model year
2022-2027 Mercedes-Benz SL-Class MPG & Fuel Cost
6 model years · 16–23 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Among the costliest small car configurations to fuel, MY2027. Ranked against all rated configurations, not sales-weighted.
2022-2027 Mercedes-Benz SL-Class at a glance
The 2022-2027 Mercedes-Benz SL-Class covers 6 model years in the EPA database (20 configurations in all), rated 16–23 MPG combined. The newest model year, 2027, costs about $3,520 a year to fuel for its most efficient version, the AMG SL43 2.0L 4-cyl turbo RWD (23 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). Powertrains over the years: gas, hybrid and plug-in hybrid. EPA changed the ratings in 2023, 2024, 2025, 2026 and 2027. The best combined rating in the generation, 23 MPG, was reached in 2023 and 2027.
Model year 2027 is still being filled in by EPA (4 configurations listed so far), so rows may be added.
2022-2027 Mercedes-Benz SL-Class by model year
| Model year | Powertrains | Combined | $/yr | EPA ratings |
|---|---|---|---|---|
| 2027 (partial) | Gas, Hybrid | 16–23 MPG | $3,520–$5,060 | Ratings changed |
| 2026 | Gas, Hybrid | 16–22 MPG | $3,650–$5,060 | Ratings changed |
| 2025 | Gas, Hybrid, Plug-in hybrid | 16–22 MPG | $3,650–$5,160 | Ratings changed |
| 2024 | Gas, Hybrid | 16–22 MPG | $3,590–$4,940 | Ratings changed |
| 2023 | Gas, Hybrid | 16–23 MPG | $3,500–$5,100 | Ratings changed |
| 2022 | Gas | 16 MPG | $4,950 | First year |
What the 2027 AMG SL63 4matic Plus 4.0L 8-cyl turbo AWD costs to drive
Per month
$418
$5,010 a year ÷ 12
Per 25 miles
$8.35
Per 100 miles
$33.40
Five years
$25,050
5 × the yearly cost, prices held at today's level
vs the small car median
$2,300more a year
Class median $2,710 a year, MY2027
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2027 Mercedes-Benz SL-Class MPG
Model year 2027 is still being filled in by EPA (4 configurations listed so far), so rows may be added.
Versus 2026: The most efficient configuration moves from 22 to 23 MPG, up 1. Its annual cost goes from $3,650 to $3,520, $130 less.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL63 4matic Plus (Most efficient) | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $5,010 |
| AMG SL55 4matic Plus | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $5,010 |
| SL680 Maybach | 4.0L 8-cyl turbo | AWD | 13 | 20 | 16 | $5,060 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL43 (Most efficient) | 2.0L 4-cyl turbo | RWD | 20 | 28 | 23 | $3,520 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2026 Mercedes-Benz SL-Class MPG
16–22 MPG · $3,650–$5,060/yr
Versus 2025: The most efficient configuration stays at 22 MPG. Its annual cost stays at $3,650.
Gas configurations (3)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL63 4matic Plus (Most efficient) | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $5,010 |
| AMG SL55 4matic Plus | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $5,010 |
| SL680 Maybach | 4.0L 8-cyl turbo | AWD | 13 | 20 | 16 | $5,060 |
3 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL43 (Most efficient) | 2.0L 4-cyl turbo | RWD | 19 | 27 | 22 | $3,650 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 Mercedes-Benz SL-Class MPG
16–22 MPG · $3,650–$5,160/yr
Versus 2024: The most efficient configuration stays at 22 MPG. Its annual cost goes from $3,590 to $3,650, $60 more.
On electricity 29 MPGe, with 11 miles of electric range.
See plug-in hybrid configurationsGas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL63 4matic Plus (Most efficient) | 4.0L 8-cyl turbo | AWD | 13 | 21 | 16 | $5,160 |
| AMG SL55 4matic Plus | 4.0L 8-cyl turbo | AWD | 13 | 21 | 16 | $5,160 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL43 (Most efficient) | 2.0L 4-cyl turbo | RWD | 19 | 27 | 22 | $3,650 |
1 configuration requires or recommends higher-octane gasoline and is 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 |
|---|---|---|---|---|---|
| AMG SL63 S E Performance (Most efficient) | AWD | 18 | 29 | 11 mi | $3,940 |
Cost assumes EPA's utility factor: 25% 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)).
2024 Mercedes-Benz SL-Class MPG
16–22 MPG · $3,590–$4,940/yr
Versus 2023: The most efficient configuration moves from 23 to 22 MPG, down 1. Its annual cost goes from $3,500 to $3,590, $90 more.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL63 4matic Plus (Most efficient) | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $4,940 |
| AMG SL55 4matic Plus | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $4,940 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL43 (Most efficient) | 2.0L 4-cyl turbo | RWD | 20 | 27 | 22 | $3,590 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2023 Mercedes-Benz SL-Class MPG
16–23 MPG · $3,500–$5,100/yr
Versus 2022: The most efficient configuration moves from 16 to 23 MPG, up 7. Its annual cost goes from $4,950 to $3,500, $1,450 less.
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL63 4matic Plus (Most efficient) | 4.0L 8-cyl turbo | AWD | 14 | 22 | 16 | $4,940 |
| AMG SL55 4matic Plus | 4.0L 8-cyl turbo | AWD | 13 | 21 | 16 | $5,100 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Hybrid configurations (1)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL43 (Most efficient) | 2.0L 4-cyl turbo | RWD | 21 | 27 | 23 | $3,500 |
1 configuration requires or recommends higher-octane gasoline and is costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2022 Mercedes-Benz SL-Class MPG
16 MPG · $4,950/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| AMG SL63 4matic Plus (Most efficient) | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $4,950 |
| AMG SL55 4matic Plus | 4.0L 8-cyl turbo | AWD | 14 | 21 | 16 | $4,950 |
2 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 AMG SL63 4matic Plus 4.0L 8-cyl turbo AWD: $5,970 in California and $4,340 in Texas, a $1,630 difference.
- California $5,970
- Washington $5,620
- New York $4,950
- Florida $4,570
- Texas $4,340
Similar cars
Closest combined MPG among MY2027 small car models.
Generations
- 2000-2001 (R129)
- 2002-2011 (R230)
- 2012-2020 (R231)
- 2022-2027*
Frequently asked questions
What gas mileage does the 2022-2027 Mercedes-Benz SL-Class get?
EPA rates the 2022-2027 Mercedes-Benz SL-Class at 16–23 MPG combined across 20 configurations and 6 model years. The most efficient version, the 2027 AMG SL43 2.0L 4-cyl turbo RWD, is rated 23 MPG (20 city, 28 highway). By powertrain: Gas: 16 MPG; Hybrid: 22–23 MPG; Plug-in hybrid: 18 MPG.
Which years had the best MPG in the 2022-2027 Mercedes-Benz SL-Class?
The AMG SL43 2.0L 4-cyl turbo RWD reached the generation's best combined rating, 23 MPG, in 2023 and 2027. The lowest top rating, 16 MPG, was in 2022.
Did EPA ratings change during the 2022-2027 Mercedes-Benz SL-Class?
Yes. Ratings changed in 2023, 2024, 2025, 2026 and 2027.
How does the 2022-2027 Mercedes-Benz SL-Class compare with the previous generation?
The previous generation (2012-2020 Mercedes-Benz SL-Class) is rated 14–23 MPG combined and costs $3,480–$5,630 a year to fuel; the 2022-2027 model is rated 16–23 MPG and costs $3,500–$5,160 a year.
How much does it cost to fuel a 2027 Mercedes-Benz SL-Class per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the AMG SL63 4matic Plus 4.0L 8-cyl turbo AWD costs about $5,010 a year. Across all 4 configurations the cost runs $3,520–$5,060 a year. That is a $1,540 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2027 Mercedes-Benz SL-Class 100 miles?
About $33.40 per 100 miles for the AMG SL63 4matic Plus 4.0L 8-cyl turbo AWD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $23.47 and $33.73 across all configurations. That is the annual cost over 15,000 miles divided by 150.
How does the 2027 Mercedes-Benz SL-Class compare with other small car configurations?
The AMG SL63 4matic Plus 4.0L 8-cyl turbo AWD costs about $5,010 a year to fuel, $2,300 more than the class median of $2,710, and less than 0 of 10 small car configurations. The comparison covers all 95 rated small car configurations for MY2027, not weighted by sales.
Is the 2027 Mercedes-Benz SL-Class hybrid cheaper to fuel than the gas version?
Yes. The best hybrid (AMG SL43 2.0L 4-cyl turbo RWD) is rated 23 MPG against 16 MPG for the best gas version (AMG SL63 4matic Plus 4.0L 8-cyl turbo AWD), 7 MPG more. At premium gasoline $5.36/gal (U.S. average, Sep 2026) that is $3,520 versus $5,010 a year, a saving of $1,490.
Is the 2027 Mercedes-Benz SL-Class different from the 2026 model?
The most efficient configuration moves from 22 to 23 MPG, up 1. Its annual cost goes from $3,650 to $3,520, $130 less. EPA lists 4 configurations for 2027 against 4 configurations for 2026. See the 2026 Mercedes-Benz SL-Class for that year.