Mercedes-Benz GLK-Class MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Mercedes-Benz GLK-Class model year from 2010 to 2015 — each engine and transmission with its official city, highway and combined figures. Over these years the GLK-Class has been offered with 2.1L 4-cyl, 3.5L 6-cyl engines; the most efficient version is the 2015 (up to 27 MPG combined). Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Mercedes-Benz GLK-Class fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2015 | 20–27 MPG | 2.1L 4-cyl, 3.5L 6-cyl | $14,994 | 36 listings |
| 2014 | 21–27 MPG | 2.1L 4-cyl, 3.5L 6-cyl | — | — |
| 2013 | 21–27 MPG | 2.1L 4-cyl, 3.5L 6-cyl | — | — |
| 2012 | 18 MPG | 3.5L 6-cyl | — | — |
| 2011 | 18 MPG | 3.5L 6-cyl | — | — |
| 2010 | 18 MPG | 3.5L 6-cyl | — | — |
2015 Mercedes-Benz GLK-Class: engines & MPG
The 2015 GLK-Class was EPA-rated in 5 versions (2.1L 4-cyl, 3.5L 6-cyl), with combined economy from 20 to 27 MPG. Used 2015 models currently list for a median of $14,994 on VehiSales (36 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GLK250 Bluetec 4matic | 2.1L 4-cyl | Automatic 7-spd | Diesel | 24 | 32 | 27 MPG |
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 19 | 26 | 22 MPG |
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 18 | 25 | 21 MPG |
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 19 | 25 | 21 MPG |
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 18 | 24 | 20 MPG |
2014 Mercedes-Benz GLK-Class: engines & MPG
The 2014 GLK-Class was EPA-rated in 5 versions (2.1L 4-cyl, 3.5L 6-cyl), with combined economy from 21 to 27 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GLK250 Bluetec 4matic | 2.1L 4-cyl | Automatic 7-spd | Diesel | 24 | 32 | 27 MPG |
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 19 | 26 | 22 MPG |
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 19 | 25 | 21 MPG |
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 18 | 25 | 21 MPG |
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 19 | 25 | 21 MPG |
2013 Mercedes-Benz GLK-Class: engines & MPG
The 2013 GLK-Class was EPA-rated in 3 versions (2.1L 4-cyl, 3.5L 6-cyl), with combined economy from 21 to 27 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GLK250 Bluetec 4matic | 2.1L 4-cyl | Automatic 7-spd | Diesel | 24 | 32 | 27 MPG |
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 19 | 24 | 21 MPG |
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 19 | 25 | 21 MPG |
2012 Mercedes-Benz GLK-Class: engines & MPG
The 2012 GLK-Class was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 16 | 21 | 18 MPG |
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 16 | 22 | 18 MPG |
2011 Mercedes-Benz GLK-Class: engines & MPG
The 2011 GLK-Class was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 16 | 21 | 18 MPG |
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 16 | 22 | 18 MPG |
2010 Mercedes-Benz GLK-Class: engines & MPG
The 2010 GLK-Class was EPA-rated in 2 versions (3.5L 6-cyl), with combined economy of 18 MPG.
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| GLK350 | 3.5L 6-cyl | Automatic 7-spd | Premium | 16 | 22 | 18 MPG |
| GLK350 4matic | 3.5L 6-cyl | Automatic 7-spd | Premium | 16 | 21 | 18 MPG |
Frequently asked questions
What MPG does a Mercedes-Benz GLK-Class get?
Depending on year and engine, EPA combined ratings for the GLK-Class range from 18 to 27 MPG. The most efficient rated version is the 2015 model year.
What engines does the 2015 Mercedes-Benz GLK-Class have?
The 2015 GLK-Class was EPA-rated with 2.1L 4-cyl, 3.5L 6-cyl engines — see the 2015 table above for each version's exact city/highway figures.
Does the Mercedes-Benz GLK-Class require premium gas?
Some versions do: EPA lists diesel and premium gasoline depending on year and engine — check your year's table above.
https://vehisales.com/research/fuel-economy/mercedes-benz/glk-class.
See also: Mercedes-Benz GLK-Class hub — live listings, prices & reliability · Used Mercedes-Benz GLK-Class prices by year · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].