* GLK350: 3.5L V6 engine, producing 302 horsepower and 273 lb-ft of torque.
* GLK250 BlueTEC: 2.1L 4-cylinder diesel engine, producing 200 horsepower and 369 lb-ft of torque.
The specific engine available in a particular 2014 GLK-Class would depend on the trim level and the market it was sold in.