2027 · Large Car · Gas

2027 Mercedes-Benz S-Class MPG & fuel economy

The 2027 Mercedes-Benz S-Class is a large car with one EPA-rated configuration. The most efficient version returns 14 MPG combined (12 city / 20 highway) on premium gasoline. That's down 1 MPG from the 2026 model. Among 16 large cars rated for 2027, it ranks 14th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $4,232 a year to fuel.

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Combined 14 MPG 12 MPG city · 20 MPG hwy
Driving range — not published for this model
Your fuel cost $4,232 15,000 mi/yr · $28.21 per 100 mi
Class rank, 2027 #14 of 16 Large Cars by fuel cost

What will it cost you?

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

Fuel average

The 2027 Mercedes-Benz S-Class's fuel average is 6.0 km/L (16.8 L/100 km), or 14 MPG combined: 5.1 km/L in the city and 8.5 km/L on the highway.

MPGkm/LL/100 km
City125.119.6
Highway208.511.8
Combined146.016.8

How it ranks among 2027 Large Cars

Full class ranking →
  1. 1Lucid Air146 MPGe $624
  2. 2Audi A6 e-tron127 MPGe $716
  3. 3Audi S6 e-tron103 MPGe $883
  4. 4Hyundai Sonata Hybrid51 MPG $912
  5. 5BMW i795 MPGe $958
  6. 14Mercedes-Benz S-Class14 MPG $4,232
  7. 16Rolls-Royce Ghost13 MPG $4,558
2027 S-ClassOther large carsClass median: $1,914/yr

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

S-Class MPG across model years

Full history →

1 EPA-rated configuration

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
AWD · 6.0L 12-cyl turbo · 9-speed automatic
Maybach S680 4matic		 Gas 12 MPG 20 MPG 14 MPG — $4,232

Specs (most efficient configuration)

Fuel
Premium gasoline
Engine / motor
6.0L 12-cyl turbo
Transmission
9-speed automatic
Drivetrain
AWD
Passenger volume
115 cu ft
Cargo volume
12 cu ft
Tailpipe CO₂
610 g/mi
EPA fuel economy score
2/10
EPA greenhouse gas score
2/10

2027 Mercedes-Benz S-Class vs. rivals

vs Audi S8 Hybrid 18 MPG · $3,292/yr S8 Hybrid saves $940/yr vs Audi A8 Hybrid 22 MPG · $2,693/yr A8 Hybrid saves $1,539/yr vs Genesis G80 23 MPG · $2,576/yr G80 saves $1,656/yr vs BMW 7 Series Hybrid 26 MPG · $2,279/yr 7 Series Hybrid saves $1,953/yr vs Mercedes-Benz S-Class Hybrid 23 MPG · $2,576/yr S-Class Hybrid saves $1,656/yr vs Rolls-Royce Phantom 13 MPG · $4,558/yr S-Class saves $326/yr vs Rolls-Royce Ghost 13 MPG · $4,558/yr S-Class saves $326/yr

Compare the 2027 S-Class

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

Same year, other powertrains: 2027 Mercedes-Benz S-Class Hybrid (23 MPG)

Frequently asked questions

What is the gas mileage of the 2027 Mercedes-Benz S-Class?

Up to 14 MPG combined (12 city / 20 highway).

What fuel does the 2027 Mercedes-Benz S-Class use?

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

What is the fuel average in km/L for the 2027 Mercedes-Benz S-Class?

The 2027 Mercedes-Benz S-Class's fuel average is 6.0 km/L (16.8 L/100 km), or 14 MPG combined: 5.1 km/L in the city and 8.5 km/L on the highway.

How much does it cost to fuel the 2027 Mercedes-Benz S-Class per year?

About $4,232 at 15,000 miles a year with $3.95/gal premium gas, or $28.21 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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