Mercedes-Benz GLK-Class
Transmission, start-stop, premium fuel and flex-fuel by model year, 2010–2015
TransmissionThe 2015 Mercedes-Benz GLK-Class uses a 7-speed automatic in every configuration EPA tested.
Auto start-stopYes. Every 2015 Mercedes-Benz GLK-Class configuration EPA tested has auto start-stop.
Premium fuelEPA tested 4 of 5 2015 Mercedes-Benz GLK-Class configurations on premium fuel and the rest on diesel; your owner's manual or fuel-door label is the authority.
Flex-fuel (E85)No. EPA does not list any 2015 Mercedes-Benz GLK-Class configuration as a flex-fuel vehicle (FFV).
2015 at a glance
5 configurations tested by EPA
EPA lists no manual transmission for any Mercedes-Benz GLK-Class from 2010–2015.
Mercedes-Benz GLK-Class features by model year
Configurations by year
2015 Mercedes-Benz GLK-Class
5 configurations
| EPA model name | Engine | Transmission | Drive | Start-stop | EPA test fuel | Flex-fuel |
|---|---|---|---|---|---|---|
| GLK250 Bluetec 4matic | 2.1L 4-cyl turbo diesel | 7-speed automatic7-spd | 4-Wheel | Yes | Diesel | No |
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | Yes | Premium | No |
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | Yes | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | Yes | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | Yes | Premium | No |
2014 Mercedes-Benz GLK-Class
5 configurations
| EPA model name | Engine | Transmission | Drive | Start-stop | EPA test fuel | Flex-fuel |
|---|---|---|---|---|---|---|
| GLK250 Bluetec 4matic | 2.1L 4-cyl turbo diesel | 7-speed automatic7-spd | 4-Wheel | Yes | Diesel | No |
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | Yes | Premium | No |
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | Yes | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | Yes | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | Yes | Premium | No |
2013 Mercedes-Benz GLK-Class
5 configurations
| EPA model name | Engine | Transmission | Drive | Start-stop | EPA test fuel | Flex-fuel |
|---|---|---|---|---|---|---|
| GLK250 Bluetec 4matic | 2.1L 4-cyl turbo diesel | 7-speed automatic7-spd | 4-Wheel | No | Diesel | No |
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | No | Premium | No |
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | No | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | No | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | No | Premium | No |
2012 Mercedes-Benz GLK-Class
2 configurations
| EPA model name | Engine | Transmission | Drive | Start-stop | EPA test fuel | Flex-fuel |
|---|---|---|---|---|---|---|
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | Not reported | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | Not reported | Premium | No |
2011 Mercedes-Benz GLK-Class
2 configurations
| EPA model name | Engine | Transmission | Drive | Start-stop | EPA test fuel | Flex-fuel |
|---|---|---|---|---|---|---|
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | Not reported | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | Not reported | Premium | No |
2010 Mercedes-Benz GLK-Class
2 configurations
| EPA model name | Engine | Transmission | Drive | Start-stop | EPA test fuel | Flex-fuel |
|---|---|---|---|---|---|---|
| GLK350 | 3.5L 6-cyl | 7-speed automatic7-spd | Rear-Wheel | Not reported | Premium | No |
| GLK350 4matic | 3.5L 6-cyl | 7-speed automatic7-spd | 4-Wheel | Not reported | Premium | No |
Check before you buy or refuel Confirm on the window sticker, owner's manual or with the dealer. Trims and options can differ from the configurations EPA tested.
About premium fuel EPA data shows the fuel a vehicle was tested on. It does not say whether premium is required or only recommended. Your owner's manual or fuel-door label is the authority.
Before using E85 Confirm the vehicle is a flex-fuel vehicle (FFV) in the owner's manual, or look for a yellow gas cap or an "FFV" badge. Not every version of a model is flex-fuel.
Source: U.S. EPA / Department of Energy vehicle data fromFuelEconomy.gov, data as of September 29, 2026.See how we classify vehicles.
More Mercedes-Benz lists
- Mercedes-Benz models without a CVT
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- Mercedes-Benz models with a conventional automatic transmission
- Mercedes-Benz models with auto start-stop
- Mercedes-Benz models without auto start-stop
- Mercedes-Benz models EPA tested on premium fuel
- Mercedes-Benz models that are flex-fuel (E85)
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