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2015 Mercedes-Benz GLK-Class Review

The 2015 Mercedes-Benz GLK ranks near the top of the luxury compact SUV segment. It has a handsome interior, refined engine options, a comfortable ride, and excellent reliability and safety ratings.­­

Pros & Cons

  • Elegant interior
  • Balanced ride and handling
  • Powerful engine options
  • Mediocre rear-seat and cargo space
  • Finicky infotainment system

8.7

Overall

Scorecard

Critics' Rating: 8.2
Performance: 7.9
Interior: 7.7
Total Cost of Ownership: 8.3
Safety: 10.0
Reliability:
J.D. Power Ratings Logo

2015 Mercedes-Benz GLK-Class Overview

Is the 2015 Mercedes-Benz GLK a Good Used SUV?

The 2015 Mercedes GLK is a great pick among luxury compact SUVs. The GLK is available with two potent engine options, and it rewards drivers with its comfortable ride and agile handling. It rates highly for reliability and crash safety, and it’s available with many advanced safety features. The GLK’s interior is also very well-trimmed.

Overall, it’s a pleasant SUV to drive, though its cargo area and backseat are a bit small. If this is a deal breaker for you, consider the brand’s larger SUVs like the 2015 GL and 2015 M-Class.

Compare the GLK, M-Class, and GL »

Why You Can Trust Us

We’ve analyzed 27 Mercedes-Benz GLK-Class reviews, as well as data points like reliability scores and cost-of-ownership estimates, to help you make the best car-buying decision possible.

U.S. News Best Cars has been ranking and reviewing vehicles since 2007, and our team has decades of experience in the auto industry. Though we’re passionate about cars, we’re even more committed to providing helpful consumer advice. To maintain objectivity, we don’t accept expensive gifts or trips from car companies.

How Much Is the 2015 Mercedes-Benz GLK?

Based on listings for the 2015 Mercedes-Benz GLK-Class on our site, the average price is $28,200. Prices range from $22,500 to $33,900 and vary depending on the vehicle's condition, mileage, features, and location.

See the Best Used Car Deals »

How Much Does the 2015 Mercedes-Benz GLK Cost to Own?

The GLK’s five-year costs for gas, insurance, repairs, and maintenance are projected to be $29,700, or about $5,900 per year. That’s about average for a luxury compact SUV.

Is It Better to Buy a Used or New GLK?

The GLK-Class was discontinued after the 2015 model year, so you won’t find any new models for sale. However, you can buy its replacement, the 2019 Mercedes-Benz GLC. The GLC's pricing starts at around $41,000. It offers a longer list of tech features like Apple CarPlay and Android Auto, as well as more powertrain options like a plug-in hybrid and a beastly 500-horsepower V8. The GLC and GLK share many of the same active safety features, and both sport well-dressed cabins. If you’d prefer to save money, you may be just as happy with a used GLK.

Read about the new GLC »

You can find plenty of new SUVs that cost less than a used 2015 GLK – just not any luxury vehicles. However, there are several new compact SUVs worth considering. The 2019 Volkswagen Tiguan starts at $24,295, and it offers an upscale interior, a comfortable ride, and seating for up to seven. The 2019 Honda CR-V ($24,350) has loads of cargo space and returns great fuel economy of up to 28 mpg in the city and 34 mpg on the highway. The 2019 Mazda CX-5 ($24,350) may not be a luxury SUV, but its handsome interior and sporty handling might fool you into thinking it is one.

See the Best New Car Deals »

See the Best New Car Lease Deals »

Which Model Year of the Mercedes-Benz GLK Is Best?

The first and only generation of the GLK-Class spans the 2010 to 2015 model years. There were few updates throughout this generation, but the biggest changes arrived for 2013. The GLK-Class received sharper exterior styling, higher-quality cabin materials, a V6 engine with more power, and a fuel-efficient turbodiesel engine. The GLK-Class also gained more safety features like adaptive cruise control, forward collision warning, and blind spot monitoring. These refinements make the 2013 to 2015 GLK-Class models the best choices.

Compare the 2013, 2014, and 2015 GLK »

How Reliable Is the 2015 Mercedes-Benz GLK?

The 2015 GLK has an excellent reliability rating of five out of five from J.D. Power.

Read more about GLK reliability »

2015 Mercedes-Benz GLK Recalls

As of this writing, there are four recalls for the 2015 GLK. Mercedes-Benz is recalling models due to defective Takata air bags that could rupture in the event of a crash. Other recalls address potential issues with the steering column, driver-side air bag, and a possible oil leak at the timing chain tensioner gasket (BlueTec models only). Make sure these recalls have been addressed by a Mercedes dealer before buying a used GLK SUV.

See more information on Mercedes-Benz GLK safety recalls »

Which Used Mercedes-Benz GLK Model Is Right for Me?

The 2015 GLK-Class is available in two trim levels: GLK 350 (gas V6) and GLK 250 Bluetec (diesel four-cylinder). Both trims offer the same standard features, which include a 5.8-inch infotainment screen, a CD player, Bluetooth, a driver drowsiness monitor, remote keyless entry, cruise control, dual-zone automatic climate control, MB-Tex synthetic leather upholstery, and alloy wheels.

Available features include a navigation system, satellite radio, proximity keyless entry, push-button start, leather upholstery, heated front seats, rear-seat DVD players, a panoramic sunroof, a power tailgate, larger AMG wheels, and a suite of active safety features.

See 2015 Mercedes-Benz GLK trims and specs »

Certified Pre-Owned Mercedes-Benz GLK Warranty

Mercedes-Benz offers a certified pre-owned program for vehicles six years old or less and with fewer than 75,000 miles. Eligibility is determined by the vehicle’s initial sale’s date. Mercedes-Benz certified pre-owned vehicles come with the balance of the original four-year/50,000-mile new-car warranty, plus an additional one-year/unlimited-mileage warranty. If the new-car warranty has expired, you’ll just receive the one-year/unlimited-mileage warranty. Every Mercedes-Benz CPO vehicle must pass a 165-point inspection. Additional benefits like towing and roadside assistance may be available, so read the Mercedes-Benz warranty page carefully.

According to our analysis, Mercedes-Benz has a good CPO program compared to those of other luxury brands. Lexus and Volvo have better programs, however.

See the best CPO programs »

Read about the Mercedes-Benz certified pre-owned program »

How Safe Is the GLK?

The Insurance Institute for Highway Safety gave the 2015 GLK a top rating of Good in each crash test. All GLK models are equipped with a driver drowsiness monitor (Attention Assist). Available safety features include a rearview camera, blind spot monitoring, lane keep assist, parking sensors, parallel park assist (Parktronic), a 360-degree parking camera, adaptive pivoting headlights, forward collision warning with brake assist (Pre-Safe Brake), and adaptive cruise control (Distronic Plus).

See GLK safety scores »

2015 Mercedes-Benz GLK Versus the Competition

Which Is Better: 2015 Mercedes-Benz GLK or 2015 BMW X3?

The 2015 BMW X3 and GLK are both great options in the luxury compact SUV class. These SUVs have solid reliability ratings, similar active safety features, classy interiors, and comparably strong engine options, including fuel-efficient diesel engines. The GLK offers a smoother ride on rough pavement. On the other hand, the BMW has a simpler infotainment system and a larger cargo area. Test drive both to see which SUV you prefer.

Which Is Better: 2015 Mercedes-Benz GLK or 2015 Audi Q5?

The 2015 Audi Q5 may have a lovely cabin and sporty handling, but it isn’t a great used SUV. The Q5 has higher-than-average ownership costs and a low reliability rating. Additionally, the Audi has an awkward infotainment system, and it offers fewer active safety features than the GLK. The Mercedes is a better bet.

Compare the GLK, X3, and Q5 »

2015 GLK Performance

How Does the 2015 Mercedes-Benz GLK Drive?

The 2015 GLK has two engine options: a 3.5-liter V6 with 302 horsepower (GLK 350) and a 2.1-liter turbodiesel four-cylinder with 200 horsepower (GLK 250 Bluetec). A seven-speed automatic transmission and rear-wheel drive are standard; 4Matic all-wheel drive is available.

The V6 feels muscular, hustling the GLK up to speed briskly. It also supplies ample power for climbing hills and passing slower vehicles. The twin-turbo diesel engine feels just as zippy once the SUV is up to speed, though initial acceleration from a stop is a little slow. The seven-speed transmission earns praise for its quick, smooth gear changes. The GLK-Class rides comfortably over most road surfaces, and its suspension absorbs bumps and dips nicely. This Mercedes also remains quite stable around turns, and its steering feels light and responsive.

Does the 2015 Mercedes-Benz GLK Get Good Gas Mileage?

The diesel-powered GLK 250 Bluetec gets an EPA-estimated 24 mpg in the city and 32 mpg on the highway, which is great fuel economy by class standards. The gas-powered GLK 350 gets decent fuel economy of up to 19 mpg in the city and 26 mpg on the highway. AWD versions of this model get 1 less mpg city/highway.

2015 Mercedes-Benz GLK Towing Capacity

The GLK is rated to tow up to 3,500 pounds, when properly equipped.

Read more about GLK performance »

2015 GLK Interior

How Many People Does the 2015 GLK Seat?

The Mercedes GLK is a two-row SUV with five seats. The front seats are comfortable, and they offer adequate head- and legroom for taller drivers and passengers. The tall windshield and boxy cabin shape provide good outward visibility. The rear seats offer plenty of room for kids and teens, but legroom is a bit tight for adults. The rear door openings are also rather slim, making it awkward for tall passengers to get in and out of the back seat. MB-Tex synthetic leather upholstery is standard; genuine leather upholstery and heated front seats are available.

The GLK’s interior is elegantly designed, and it’s trimmed with quality materials. The cabin remains very quiet when driving around town, but wind noise gets a bit loud at highway speeds.

How Many Car Seats Fit in the 2015 Mercedes-Benz GLK?

The GLK has two full sets of LATCH connectors for securing child car seats.

2015 Mercedes-Benz GLK Features

The GLK comes standard with a 5.8-inch infotainment screen, Bluetooth, and a CD player. Available features include a navigation system with a 7-inch screen, satellite radio, rear-seat DVD players, and a sunroof.

The infotainment screen has crisp graphics, and it’s located high on the dashboard, making it easy to see. The audio and climate controls are easy to use, but the navigation system is a bit complicated. You control it by using a knob on the center console and additional buttons on the dashboard.

See 2015 Mercedes-Benz GLK specs »

Read more about GLK interior »

2015 Mercedes-Benz GLK Dimensions

Mercedes-Benz GLK Cargo Space

There is 16.5 cubic feet of cargo space behind the 2015 GLK's rear seats, and 54.7 cubic feet of space with these seats folded. These numbers are a bit low for the luxury compact SUV class. A power tailgate is available.

2015 GLK Length and Weight

The Mercedes GLK is 14.9 feet long. It weighs between 4,068 and 4,246 pounds, depending on configuration.

Where Was the 2015 Mercedes-Benz GLK Built?

Mercedes-Benz built the 2015 GLK in Germany.

Best 2015 Luxury Compact SUVs

  • #1

    2015 Mercedes-Benz GLK-Class

    $24,768 - $26,130 AVG. PAID

    You can only compare 3 cars at a time.
  • #2

    2015 BMW X3

    $24,171 - $28,796 AVG. PAID

    You can only compare 3 cars at a time.
  • #3

    2015 Lexus NX

    $26,062 - $28,813 AVG. PAID

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See the full 2015 Luxury Compact SUVs rankings »
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