Even though spy shots signal that exterior adjustments on the next Mercedes-Benz GLK will be subtle, there's one giant adjustment coming under the hood, and it smells like oil – in a good way. Automotive News says the revamped softroader will gain a new diesel engine option. For its part, Mercedes-Benz hasn't said which of its oilburners it will offer with the GLK, but it's been hinted that it could be the 2.1-liter turbo diesel mill with 204 horsepower and 369 pound-feet of torque that sees duty in models like the C-Class and M-Class in other lands.

The addition of the GLK and next C-Class will make seven Mercedes model lines offered with diesel in the U.S. With the GLK's fuel economy addressed, the hope is that the entry-level crossover can find roughly 13,000 more buyers per year and close in on 40,000-sales-per-annum threshold. The brand already offers far more diesels than its German competitors here, but still wants to raise percentage of diesel sales from 12-to-20 percent to 15 to 20 percent.

Mercedes-Benz GLK-Class Information

Mercedes-Benz GLK-Class

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