The GLK-class was launched as a completely new model from Mercedes-Benz just a couple of years ago. The 2013 model represents an update and adds a diesel engine option to the existing gasoline V-6 powerplant.

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The GLK250, as the diesel variant is called, is a five-passenger small SUV. All-wheel-drive is optional on the gasoline version, but comes standard with the diesel.

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Mercedes-Benz gives the GLK250 a 2.1-liter four-cylinder diesel engine, which uses twin turbos to produce 200 horsepower and 369 pound-feet of torque. It also gets an average fuel economy in the mid-30s.

Updated:Caption:Photo:Josh Miller/CNET

Cargo space is smaller than that of the larger M-class, but the rear seats fold down, allowing some versatility.

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Underneath the cargo floor is this little smuggler's compartment.

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The GLK250 isn't as luxurious as top Mercedes-Benz models, but it still feels very well built and comfortable.

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The rear seats are nicely contoured to enhance comfort.

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All of the tech features, including navigation, are optional.

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The back-up camera is very crisp, and includes useful trajectory lines.

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The navigation system uses very readable maps and shines when it comes to route guidance.

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Naturally, the navigation system includes traffic data so as to steer you around traffic jams.

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The Mercedes-Benz Apps feature would be very good, except for the fact that it takes far too long to load.

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Once you finally bring up Yelp, you can search the surrounding area for restaurants.

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Mercedes-Benz Apps even includes Google Street View, so you can see your destination.

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The phone system includes contact list integration.

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As a bit of a throwback, Mercedes-Benz includes a 30-pin iOS device connector. You will need an adapter to use it with an iPhone 5.

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The stereo includes a good number of audio sources, and better yet, includes them all in a single list rather than separating radio and media, as other brands do.

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HD radio comes standard.

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Using an iOS device or USB drive, the stereo interface shows a complete music library.

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One cool way to find music is this cover flow interface.

Updated:Caption:Photo:Wayne Cunningham/CNET
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