2021 · Large Car · Hybrid

2021 Mercedes-Benz S-Class Hybrid MPG & fuel economy

The 2021 Mercedes-Benz S-Class Hybrid is a large car offered in 3 EPA-rated configurations. The most efficient version returns 24 MPG combined (20 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 19 to 24 MPG. Among 27 large cars rated for 2021, it ranks 20th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel.

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Combined 24 MPG 20 MPG city · 29 MPG hwy

Driving range — not published for this model

Your fuel cost $2,469 15,000 mi/yr · $16.46 per 100 mi

Class rank, 2021 #20 of 27 Large Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Miles per year Premium gas $/gal

Fuel average

The 2021 Mercedes-Benz S-Class Hybrid's fuel average is 10.2 km/L (9.8 L/100 km), or 24 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.

	MPG	km/L	L/100 km
City	20	8.5	11.8
Highway	29	12.3	8.1
Combined	24	10.2	9.8

How it ranks among 2021 Large Cars

Full class ranking →

1Tesla Model S120 MPGe $761
2Hyundai Ioniq59 MPG $788
3Hyundai Sonata Hybrid52 MPG $894
4Honda Accord Hybrid48 MPG $969
5Porsche Taycan79 MPGe $1,107
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20Mercedes-Benz S-Class Hybrid24 MPG $2,469
···
27Rolls-Royce Ghost14 MPG $4,232

2021 S-Class HybridOther large carsClass median: $2,194/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

S-Class Hybrid MPG across model years

Full history →

3 EPA-rated configurations

Configuration	Type	City	Hwy	Combined	Range	Your cost / yr
4WD · 3.0L 6-cyl · 9-speed automatic S500 4matic	Hybrid	20 MPG	29 MPG	24 MPG	—	$2,469
4WD · 4.0L 8-cyl turbo · 9-speed automatic S580 4matic	Hybrid	17 MPG	25 MPG	20 MPG	—	$2,962
4WD · 4.0L 8-cyl turbo · 9-speed automatic S580 4matic Maybach	Hybrid	16 MPG	24 MPG	19 MPG	—	$3,118

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.0L 6-cyl
Transmission: 9-speed automatic
Drivetrain: 4WD
Passenger volume: 112 cu ft
Cargo volume: 13 cu ft
Tailpipe CO₂: 372 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2021 Mercedes-Benz S-Class Hybrid vs. rivals

vs BMW 7 Series 25 MPG · $2,370/yr 7 Series saves $99/yr vs BMW 7 Series Plug-in Hybrid 56 MPGe + 22 MPG · $2,264/yr 7 Series Plug-in Hybrid saves $205/yr vs Audi A8 Plug-in Hybrid 53 MPGe + 23 MPG · $2,170/yr A8 Plug-in Hybrid saves $299/yr vs Audi A8 Hybrid 21 MPG · $2,821/yr S-Class Hybrid saves $353/yr vs Genesis G80 26 MPG · $2,279/yr G80 saves $190/yr vs Genesis G90 20 MPG · $2,962/yr S-Class Hybrid saves $494/yr vs Maserati Quattroporte 19 MPG · $3,118/yr S-Class Hybrid saves $650/yr vs BMW X1 27 MPG · $2,194/yr X1 saves $274/yr vs Porsche Panamera Plug-in Hybrid 52 MPGe + 22 MPG · $2,274/yr Panamera Plug-in Hybrid saves $194/yr vs Mercedes-Benz S-Class 20 MPG · $2,962/yr S-Class Hybrid saves $494/yr vs Audi S8 Hybrid 16 MPG · $3,703/yr S-Class Hybrid saves $1,234/yr vs Porsche Panamera 20 MPG · $2,962/yr S-Class Hybrid saves $494/yr

Compare the 2021 S-Class Hybrid

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Same year, other powertrains: 2021 Mercedes-Benz S-Class (20 MPG)

Frequently asked questions

What is the gas mileage of the 2021 Mercedes-Benz S-Class Hybrid?

Up to 24 MPG combined (20 city / 29 highway); ratings range from 19 to 24 MPG depending on configuration.

What fuel does the 2021 Mercedes-Benz S-Class Hybrid use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2021 Mercedes-Benz S-Class Hybrid?