2025 · Large Car · Plug-in hybrid
2025 Mercedes-Benz S-Class Plug-in Hybrid MPG & fuel economy
The 2025 Mercedes-Benz S-Class Plug-in Hybrid is a large car offered in 2 EPA-rated configurations. This plug-in hybrid covers about 48 miles on electricity (63 MPGe), then returns 23 MPG on gas. Across the lineup, combined ratings range from 18 to 23 MPG. Among 25 large cars rated for 2025, it ranks 12th for lowest fuel cost. At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $1,736 a year to fuel.
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Fuel average
The 2025 Mercedes-Benz S-Class Plug-in Hybrid's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway. On electricity it is rated 63 MPGe.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City (gas) | 20 | 8.5 | 11.8 |
| Highway (gas) | 29 | 12.3 | 8.1 |
| Combined (gas) | 23 | 9.8 | 10.2 |
How it ranks among 2025 Large Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
S-Class Plug-in Hybrid MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 3.0L 6-cyl turbo · 9-speed automatic S580e 4matic |
Plug-in hybrid | 59 MPGe + 20 MPG | 70 MPGe + 29 MPG | 63 MPGe + 23 MPG | 470 mi | $1,736 |
| AWD · 4.0L 8-cyl turbo · 9-speed automatic AMG S63 E Performance |
Plug-in hybrid | 46 MPGe + 15 MPG | 53 MPGe + 23 MPG | 49 MPGe + 18 MPG | 390 mi | $2,706 |
Specs (most efficient configuration)
- Fuel
- Premium gas + electricity
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 9-speed automatic
- Drivetrain
- AWD
- Electricity use
- 53 kWh/100 mi
- All-electric range
- 48 mi
- Charge time (240V)
- 2.8 hrs
- Passenger volume
- 112 cu ft
- Cargo volume
- 8 cu ft
- Tailpipe CO₂
- 106 g/mi
- EPA fuel economy score
- 7/10
- EPA greenhouse gas score
- 9/10
2025 Mercedes-Benz S-Class Plug-in Hybrid vs. rivals
Compare the 2025 S-Class Plug-in Hybrid
With any other car from any year, including other S-Class Plug-in Hybrid model years. Type a year to jump, e.g. "2015 Accord".
Same year, other powertrains: 2025 Mercedes-Benz S-Class (15 MPG), 2025 Mercedes-Benz S-Class Hybrid (24 MPG)
Frequently asked questions
What is the gas mileage of the 2025 Mercedes-Benz S-Class Plug-in Hybrid?
Up to 63 MPGe + 23 MPG combined; ratings range from 18 to 23 MPG depending on configuration.
What fuel does the 2025 Mercedes-Benz S-Class Plug-in Hybrid use?
Premium gas + electricity (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Mercedes-Benz S-Class Plug-in Hybrid?
The 2025 Mercedes-Benz S-Class Plug-in Hybrid's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway. On electricity it is rated 63 MPGe.
How much does it cost to fuel the 2025 Mercedes-Benz S-Class Plug-in Hybrid per year?
About $1,736 at 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, or $11.57 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.