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Combined MPG
15–25 MPG
55% city / 45% highway weighted
City Driving Rating
12–22 MPG
Stop-and-go urban cycle
Highway Driving Rating
20–30 MPG
Sustained open-highway test
Annual Fuel Cost
$800–5,050
EPA estimate @ 15,000 miles/yr
Laboratory Fuel Economy Certification

Executive Efficiency Findings

The 2022 Mercedes-Benz S-Class delivers an EPA-certified 15–25 MPG combined across 9 configurations. Hybrid variants achieve up to 25 MPG combined, compared to 15 MPG for standard gasoline trims. Estimated annual fuel costs range from $800 to $5,050.

EPA Testing Standards: Ratings derived from official dynamometer laboratory tests under 40 CFR Part 600. Real-world fuel economy varies based on driving style, ambient temperature, cargo payload, and terrain.
Certified Powertrain Attributes
  • • Certified Configurations: 9 trim and powertrain permutation(s).
  • • Combined Rating Range: 15–25 MPG.
  • • Hybrid Efficiency: Up to 25 MPG combined.
  • • Annual Energy Cost: $800–5,050 (15k mi/yr).
Electrification Analysis

2022 Mercedes-Benz S-Class Powertrain & Efficiency Comparison

Factual efficiency differences across gasoline, hybrid, plug-in hybrid, and electric variants

GASOLINE 1 TRIMS

Standard Gasoline

15–15 MPG

Annual Fuel Cost: $5,050–$5,050.

EPA Certified
HYBRID 7 TRIMS

Gas-Electric Hybrid (HEV)

17–25 MPG

Annual Fuel Cost: $3,050–$4,450 (saves vs gas).

Self-Charging Hybrid
ELECTRIC 1 TRIMS

Battery Electric (BEV)

340–340 mi Range • 95 MPGe

Annual Energy Cost: $800–$5,050.

Zero Tailpipe Emissions
Certified Ratings Matrix

Official EPA Fuel Economy Ratings by Configuration (9)

Laboratory certification test values across engine, transmission, and drivetrain permutations

Configuration / Model Powertrain Drivetrain Transmission City Highway Combined EV Range Annual Fuel Cost CO2 (g/mi)
EQS 580 4matic Electricity Electric (BEV) All-Wheel Drive Automatic (A1) 92 MPGe 99 MPGe 95 MPGe 340 mi $800 —
CLS450 4matic Premium 3L Hybrid 4-Wheel Drive Automatic 9-spd 22 MPG 30 MPG 25 MPG — $3,050 —
S500 4matic Premium 3L Hybrid All-Wheel Drive Automatic 9-spd 21 MPG 30 MPG 24 MPG — $3,150 —
GLS450 4matic Premium 3L Hybrid 4-Wheel Drive Automatic 9-spd 18 MPG 24 MPG 20 MPG — $3,800 —
S580 4matic Premium 4L Hybrid All-Wheel Drive Automatic 9-spd 16 MPG 25 MPG 19 MPG — $4,000 —
S580 4matic Maybach Premium 4L Hybrid All-Wheel Drive Automatic 9-spd 15 MPG 24 MPG 18 MPG — $4,200 —
GLS580 4matic Premium 4L Hybrid All-Wheel Drive Automatic 9-spd 16 MPG 21 MPG 18 MPG — $4,200 —
GLS600 4matic Maybach Premium 4L Hybrid All-Wheel Drive Automatic 9-spd 14 MPG 20 MPG 17 MPG — $4,450 —
Maybach S680 4matic Premium 6L 12-Cyl Gas All-Wheel Drive Automatic 9-spd 12 MPG 21 MPG 15 MPG — $5,050 —
Operating Cost Economics

Standardized Energy Cost & Consumption Benchmarks

Standardized annual energy consumption and operating cost metrics based on 15,000 annual miles

ENERGY UNIT 25 MI

Fuel Cost per 25 Miles

$3.50–$5.83

Based on $3.50 per gallon regular gasoline

ANNUAL TOTAL 15K MI

Annual Fuel Consumption

600–1000 Gal

Estimated annual energy units needed for 15,000 miles

5-YEAR VALUE SAVINGS

5-Year Fuel Cost vs Avg Vehicle

EPA Benchmark

Compared to the average new vehicle over 5 years

Search Intelligence

Quick Answers: EPA Fuel Economy, Electric Range & Energy Costs for the 2022 Mercedes-Benz S-Class

Direct, deterministic answers synthesized from verified United States government databases for the 2022 Mercedes-Benz S-Class

What gas mileage (MPG) does the 2022 Mercedes-Benz S-Class get?

The 2022 Mercedes-Benz S-Class achieves an EPA-certified rating of 15 to 25 MPG combined across 9 certified configuration(s).

City ratings range from 12 to 25 MPG, and highway ratings range from 15 to 30 MPG.

Source: EPA FuelEconomy.gov (40 CFR Part 600)

How much better is hybrid MPG on the 2022 Mercedes-Benz S-Class?

Hybrid (HEV) models achieve up to 25 MPG combined, delivering approximately 10 more miles per gallon than standard gasoline configurations (up to 15 MPG combined).

Gas-electric hybrid variants use regenerative braking and electric assist motors to reduce fuel consumption in stop-and-go city driving.

Source: EPA Certified Ratings Comparison

What is the estimated annual fuel or energy cost for the 2022 Mercedes-Benz S-Class?

Using AutoUtility's standardized operating cost model, estimated annual fueling and energy costs range between $800 and $5,050 for the 2022 Mercedes-Benz S-Class.

Calculated under AutoUtility's standardized methodology (15,000 miles per year, 55% city / 45% highway driving, $3.50/gallon regular gasoline, $0.16/kWh electricity) using official EPA dynamometer consumption ratings.

Source: AutoUtility Operating Cost Model (EPA-Certified Baseline)
Official US Government Data Provenance

Fuel economy ratings, electric range figures, and energy cost estimates on this page are retrieved directly from the United States Environmental Protection Agency (EPA) and U.S. Department of Energy (FuelEconomy.gov) certified vehicle database under 40 CFR Part 600.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.