2026 · Large Car · Hybrid

2026 Mercedes-Benz S-Class Hybrid MPG & fuel economy

The 2026 Mercedes-Benz S-Class Hybrid is a large car offered in 3 EPA-rated configurations. The most efficient version returns 23 MPG combined (20 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 20 to 23 MPG. That's down 1 MPG from the 2025 model. Among 24 large cars rated for 2026, it ranks 15th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel.

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Combined 23 MPG 20 MPG city · 29 MPG hwy

Driving range — not published for this model

Your fuel cost $2,576 15,000 mi/yr · $17.17 per 100 mi

Class rank, 2026 #15 of 24 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 2026 Mercedes-Benz S-Class 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.

	MPG	km/L	L/100 km
City	20	8.5	11.8
Highway	29	12.3	8.1
Combined	23	9.8	10.2

How it ranks among 2026 Large Cars

Full class ranking →

1Lucid Air146 MPGe $624
2Tesla Model S124 MPGe $732
3Hyundai Sonata Hybrid51 MPG $912
4Honda Civic Hybrid49 MPG $949
5Dodge Charger EV95 MPGe $961
···
15Mercedes-Benz S-Class Hybrid23 MPG $2,576
···
24Rolls-Royce Ghost14 MPG $4,232

2026 S-Class HybridOther large carsClass median: $1,984/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
AWD · 3.0L 6-cyl turbo · 9-speed automatic S500 4matic	Hybrid	20 MPG	29 MPG	23 MPG	—	$2,576
AWD · 4.0L 8-cyl turbo · 9-speed automatic S580 4matic Maybach	Hybrid	16 MPG	27 MPG	20 MPG	—	$2,962
AWD · 4.0L 8-cyl turbo · 9-speed automatic S580 4matic	Hybrid	17 MPG	27 MPG	20 MPG	—	$2,962

Specs (most efficient configuration)

Fuel: Premium gasoline
Engine / motor: 3.0L 6-cyl turbo
Transmission: 9-speed automatic
Drivetrain: AWD
Passenger volume: 112 cu ft
Cargo volume: 13 cu ft
Tailpipe CO₂: 380 g/mi
EPA fuel economy score: 5/10
EPA greenhouse gas score: 5/10

2026 Mercedes-Benz S-Class Hybrid vs. rivals

vs Audi A8 Hybrid 22 MPG · $2,693/yr S-Class Hybrid saves $117/yr vs Genesis G80 23 MPG · $2,576/yr Same fuel cost vs Genesis G90 21 MPG · $2,821/yr S-Class Hybrid saves $245/yr vs Genesis G90 Hybrid 20 MPG · $2,962/yr S-Class Hybrid saves $386/yr vs BMW 7 Series Hybrid 28 MPG · $2,116/yr 7 Series Hybrid saves $460/yr vs Audi S8 Hybrid 18 MPG · $3,292/yr S-Class Hybrid saves $716/yr vs Porsche Panamera 21 MPG · $2,821/yr S-Class Hybrid saves $245/yr vs Mercedes-Benz S-Class 15 MPG · $3,950/yr S-Class Hybrid saves $1,374/yr vs BMW 7 Series Plug-in Hybrid 70 MPGe + 24 MPG · $1,718/yr 7 Series Plug-in Hybrid saves $858/yr vs Acura Integra 32 MPG · $1,852/yr Integra saves $725/yr vs BMW i7 88 MPGe · $1,031/yr i7 saves $1,545/yr

Compare the 2026 S-Class Hybrid

With any other car from any year, including other S-Class Hybrid model years. Type a year to jump, e.g. "2015 Accord".

Same year, other powertrains: 2026 Mercedes-Benz S-Class (15 MPG)

Frequently asked questions

What is the gas mileage of the 2026 Mercedes-Benz S-Class Hybrid?

Up to 23 MPG combined (20 city / 29 highway); ratings range from 20 to 23 MPG depending on configuration.

What fuel does the 2026 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 2026 Mercedes-Benz S-Class Hybrid?