2026 Mercedes-Benz Fuel Efficiency Guide: MPG & MPGe for Every Model

A blue 2026 Mercedes-Benz GLC 350e 4MATIC SUV PHEV parked in a parking garage

Which Mercedes-Benz Has The Best Fuel Efficiency?

Leading the entire 2026 Mercedes-Benz lineup in fuel efficiency, the GLC 350e 4MATIC® SUV achieves an EPA-estimated 64 combined MPGe with up to 54 miles of electric-only range, making it the most efficient model in the lineup. 

Other standout plug-in hybrid vehicles (PHEV) like the S 580e 4MATIC® (61 combined MPGe) and the AMG® E 53 HYBRID Sedan (59 combined MPGe) prove that fuel efficiency and luxury don’t have to be mutually exclusive. 

For drivers who prefer gas-powered models, the CLA 250 Coupe leads at 30 combined MPG, followed closely by the C 300 Sedan at 29 combined MPG.

Use the full fuel economy chart below to compare every 2026 Mercedes-Benz model available at Ray Catena of Freehold in Freehold, NJ.

Mercedes-Benz SUVs MPG Fuel Economy Chart

GLA SUV

The 2026 Mercedes-Benz GLA SUV delivers efficient luxury in a compact package, with up to an EPA-estimated 29 combined MPG for daily driving.

  • GLA 250 SUV: 26 city / 34 highway / 29 combined MPG
  • GLA 250 4MATIC® SUV: 25 city / 33 highway / 28 combined MPG
  • AMG® GLA 35 SUV: 22 city / 30 highway / 25 combined MPG

GLB SUV

The 2026 Mercedes-Benz GLB SUV balances roomy versatility and strong efficiency, returning up to an EPA-estimated 28 combined MPG.

  • GLB 250 SUV: 25 city / 33 highway / 28 combined MPG
  • GLB 250 4MATIC® SUV: 24 city / 33 highway / 27 combined MPG
  • AMG® GLB 35 SUV: 21 city / 26 highway / 23 combined MPG

GLC SUV

The 2026 Mercedes-Benz GLC SUV pairs refined comfort with solid fuel economy, offering up to an EPA-estimated 27 combined MPG.

  • GLC 300 SUV: 24 city / 32 highway / 27 combined MPG
  • GLC 300 4MATIC® SUV: 23 city / 31 highway / 26 combined MPG
  • AMG® GLC 43 SUV: 18 city / 24 highway / 21 combined MPG

GLE SUV

The 2026 Mercedes-Benz GLE SUV gives drivers midsize luxury and available power, with gas models reaching up to 23 combined MPG.

  • GLE 350 SUV: 21 city / 28 highway / 23 combined MPG
  • GLE 350 4MATIC® SUV: 19 city / 26 highway / 22 combined MPG
  • GLE 450 4MATIC® SUV: 19 city / 25 highway / 21 combined MPG
  • GLE 580 4MATIC® SUV: 15 city / 21 highway / 18 combined MPG
  • AMG® GLE 53 4MATIC®+ SUV: 18 city / 23 highway / 20 combined MPG
  • AMG® GLE 63 S 4MATIC®+ SUV: 15 city / 20 highway / 17 combined MPG

GLS SUV

The 2026 Mercedes-Benz GLS SUV delivers full-size luxury SUV capability while still achieving up to an EPA-estimated 21 combined MPG.

  • GLS 450 4MATIC® SUV: 19 city / 24 highway / 21 combined MPG
  • GLS 580 4MATIC® SUV: 18 city / 23 highway / 20 combined MPG
  • AMG® GLS 63 SUV: 15 city / 18 highway / 16 combined MPG

G-Class SUV

The 2026 Mercedes-Benz G-Class SUV combines unmistakable off-road luxury and bold power, with fuel economy ratings up to 18 combined MPG.

  • G 550 SUV: 17 city / 19 highway / 18 combined MPG
  • AMG® G 63 SUV: 14 city / 16 highway / 15 combined MPG

Mercedes-Maybach GLS SUV

The 2026 Mercedes-Maybach GLS SUV brings ultra-luxury SUV comfort and exclusivity, with official EPA fuel economy ratings still pending.

  • Mercedes-Maybach GLS 600 SUV: 2026 EPA rating pending

A white Mercedes-AMG GLE SUV parked in a city suburb at night

 

Mercedes-Benz Coupes MPG Chart

GLE Coupe

The 2026 Mercedes-Benz GLE Coupe blends sporty coupe styling with SUV practicality, and select AMG® models earn up to 20 combined MPG.

  • GLE 450 4MATIC® Coupe: EPA rating pending
  • AMG® GLE 53 Coupe: 18 city / 23 highway / 20 combined MPG
  • AMG® GLE 63 S Coupe: 15 city / 20 highway / 17 combined MPG

GLC Coupe

The 2026 Mercedes-Benz GLC Coupe offers sleek design and everyday luxury, with up to an EPA-estimated 26 combined MPG.

  • GLC 300 4MATIC® Coupe: 23 city / 31 highway / 26 combined MPG
  • AMG® GLC 43 Coupe: 18 city / 24 highway / 21 combined MPG

CLA Coupe

The 2026 Mercedes-Benz CLA Coupe stands out with sporty design and impressive efficiency, achieving up to 30 combined MPG.

  • CLA 250 Coupe: 26 city / 36 highway / 30 combined MPG
  • CLA 250 4MATIC® Coupe: 25 city / 34 highway / 29 combined MPG
  • AMG® CLA 35 Coupe: 22 city / 29 highway / 25 combined MPG
  • AMG® CLA 45 S Coupe: 20 city / 28 highway / 23 combined MPG

CLE Coupe

The 2026 Mercedes-Benz CLE Coupe mixes elegant performance and everyday drivability, with select models reaching 26 combined MPG.

  • CLE 300 4MATIC® Coupe: 23 city / 32 highway / 26 combined MPG
  • CLE 450 4MATIC® Coupe: 23 city / 32 highway / 26 combined MPG
  • AMG® CLE 53 Coupe: 19 city / 26 highway / 22 combined MPG

Mercedes-AMG® GT 4-Door Coupe

The 2026 Mercedes-AMG® GT 4-Door Coupe delivers performance and practicality, with select trims achieving up to 21 combined MPG.

  • AMG® GT 43 4-door Coupe: 19 city / 24 highway / 21 combined MPG
  • AMG® GT 53 4-door Coupe: 19 city / 24 highway / 21 combined MPG
  • AMG® GT 63 4-door Coupe: 15 city / 21 highway / 17 combined MPG

Mercedes-AMG® GT Coupe

The 2026 Mercedes-AMG® GT Coupe offers thrilling sports car performance, with select models delivering up to 22 combined MPG.

  • AMG® GT 43 Coupe: 19 city / 27 highway / 22 combined MPG
  • AMG® GT 55 Coupe: 14 city / 20 highway / 16 combined MPG
  • AMG® GT 63 Coupe: 14 city / 20 highway / 16 combined MPG
  • AMG® GT 63 PRO 4MATIC®+ Coupe: 14 city / 20 highway / 16 combined MPG

White Mercedes-AMG E-Class Sedan driving through a city lit up in red light

 

Mercedes-Benz Sedans MPG Chart

C-Class Sedan

The 2026 Mercedes-Benz C-Class Sedan offers premium comfort and commuter-friendly efficiency, reaching up to 29 combined MPG.

  • C 300 Sedan: 25 city / 35 highway / 29 combined MPG
  • C 300 4MATIC® Sedan: 24 city / 33 highway / 27 combined MPG
  • AMG® C 43 Sedan: 19 city / 27 highway / 22 combined MPG

E-Class Sedan

The 2026 Mercedes-Benz E-Class Sedan blends modern luxury and everyday usability, with fuel economy ratings up to 28 combined MPG.

  • E 350 Sedan: 25 city / 33 highway / 28 combined MPG
  • E 350 4MATIC® Sedan: 24 city / 33 highway / 27 combined MPG
  • E 450 4MATIC® Sedan: 22 city / 31 highway / 25 combined MPG

S-Class Sedan

The 2026 Mercedes-Benz S-Class Sedan delivers flagship luxury and smooth performance, with select models achieving up to 28 combined MPG.

  • S 500 4MATIC® Sedan: 25 city / 33 highway / 28 combined MPG
  • S 580 4MATIC® Sedan: 25 city / 33 highway / 28 combined MPG

Mercedes-Maybach S-Class Sedan

The 2026 Mercedes-Maybach S-Class Sedan offers handcrafted luxury and powerful performance, with up to 20 combined MPG.

  • Mercedes-Maybach S 580 4MATIC®: 16 city / 27 highway /  20 combined MPG
  • Mercedes-Maybach S 680 4MATIC®: 12 city / 20 highway /  15 combined MPG

E-Class Wagon

The 2026 Mercedes-Benz E-Class Wagon combines cargo versatility with premium comfort, earning up to an EPA-estimated 25 combined MPG.

  • E 450 4MATIC® All-Terrain: 22 city / 31 highway / 25 combined MPG

 

Blue, red, and grey Mercedes-AMG SL-Roadster convertibles lined up in front of a sign that says the star is reborn

Mercedes-Benz Convertibles & Roadsters MPG Chart

CLE Cabriolet

The 2026 Mercedes-Benz CLE Cabriolet / convertible delivers open-air luxury and sporty refinement, with select models achieving up to 27 combined MPG.

  • CLE 300 4MATIC® Cabriolet: 24 city / 33 highway / 27 combined MPG
  • CLE 450 4MATIC® Cabriolet: 23 city / 32 highway / 26 combined MPG
  • AMG® CLE 53 Cabriolet: 20 city / 27 highway / 23 combined MPG

Mercedes-AMG® SL Roadster

The 2026 Mercedes-AMG® SL Roadster blends iconic roadster style and performance, with fuel economy ratings up to 22 combined MPG.

  • AMG® SL 43 Roadster: 19 city / 27 highway / 22 combined MPG
  • AMG® SL 55 Roadster: 13 city / 21 highway / 16 combined MPG
  • AMG® SL 63 Roadster: 13 city / 21 highway / 16 combined MPG

Mercedes-Maybach SL Roadster

The 2026 Mercedes-Maybach SL Roadster pairs exclusive open-top luxury with V8 performance, earning up to 16 combined MPG.

  • Mercedes-Maybach SL 680 Monogram Series: 13 city / 20 highway / 16 combined MPG

The 2026 Mercedes-Benz plug-in hybrid lineup offers luxury with standout electrified efficiency, with up to 64 combined MPGe on the GLC 350e 4MATIC® SUV.

Mercedes-Benz Plug-In Hybrid Vehicles (PHEV) MPG Chart

  • GLC 350e 4MATIC® SUV: 60 city / 70 highway / 64 combined MPGe
  • GLE 450e 4MATIC® SUV: 57 city / 63 highway / 60 combined MPGe
  • AMG® GLC 63 S E PERFORMANCE SUV: EPA rating pending
  • AMG® C 63 S E PERFORMANCE Sedan: 36 city / 38 highway / 37 combined MPGe
  • AMG® E 53 HYBRID Sedan: 54 city / 65 highway / 59 combined MPGe
  • AMG® E 53 HYBRID Wagon: 52 city / 64 highway / 57 combined MPGe
  • AMG® GLC 63 S E PERFORMANCE Coupe: EPA rating pending
  • S 580e 4MATIC® Sedan: 55 city / 68 highway / 61 combined MPGe
  • AMG® S 63 E PERFORMANCE Sedan: 43 city / 53 highway / 47 combined MPGe
  • AMG® GT 63 S E PERFORMANCE 4-door Coupe: 31 city / 26 highway /28 combined MPGe
  • AMG® GT 63 S E PERFORMANCE Coupe: 32 city / 24 highway / 28 combined MPGe
  • AMG® SL 63 S E PERFORMANCE Roadster: 33 city / 25 highway / 28 combined MPGe

A grey 2026 Mercedes-Benz GLC 350e 4MATIC SUV PHEV plugged into a charging station in a desert

Shop Our Mercedes-Benz Dealership For the Most Fuel Efficient Mercedes Models

No matter which model catches your eye, whether it’s the plug-in efficiency of the GLC 350e 4MATIC® SUV, the everyday value of the fuel-sipping CLA 250 Coupe, or anything in between, Ray Catena of Freehold has the 2026 Mercedes-Benz lineup in stock and ready for you to experience firsthand. 

Conveniently located on Route 9 in Freehold, NJ, we proudly serve drivers from Toms River, Lakewood, and across Monmouth and Ocean Counties. Shop our new Mercedes-Benz inventory or contact our team today to schedule a test drive and find the perfect balance of luxury and efficiency.

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All MPG figures are EPA-estimated. Actual mileage will vary depending on driving conditions, habits, vehicle load, and other factors. MPGe figures apply to plug-in hybrid and electric models. Use all figures for comparison purposes only.