2018 Mercedes-Benz GLC-Class Review

The 2018 Mercedes-Benz GLC earns its spot near the top of our luxury compact SUV rankings. It has a good predicted reliability rating and a luxurious cabin with lots of standard features.

Pros & Cons

  • Refined interior
  • Plenty of standard tech features
  • Quiet, smooth ride
  • Limited cargo space in coupe models




Critics' Rating: 9.3
Performance: 8.1
Interior: 8.6
Total Cost of Ownership: 7.1
Safety: 9.8
J.D. Power Ratings Logo

2018 Mercedes-Benz GLC-Class Overview

Is the 2018 Mercedes-Benz GLC a Good Used Car?

Yes, the Mercedes-Benz GLC is a good used luxury compact SUV. In fact, it's one of the top-ranked vehicles in the class.

The 2018 GLC's strengths are plentiful:

  • Lavish interior
  • Comfortable yet responsive ride
  • More standard features than many rivals
  • Above-average predicted reliability rating

Its weaknesses are minimal:

  • Coupe body style has a low cargo capacity
Why You Can Trust Us

We’ve analyzed 30 Mercedes-Benz GLC reviews, as well as performance specs, interior dimensions, fuel economy ratings, and more, to give you all the information you need to make a smart car-buying decision.

U.S. News & World Report has been reviewing cars, trucks, and SUVs since 2007, and our Best Cars team has more than 75 years of combined automotive industry experience. To remain impartial, we do not accept extravagant gifts from automakers, and an outside source handles our advertising.

How Much Is the 2018 Mercedes-Benz GLC?

Based on listings for the 2018 Mercedes-Benz GLC on our site, the average list price is $41,400, which is a little above average for the class. Prices range from $34,000 to $52,900 and vary depending on the vehicle’s condition, mileage, features, and location.

See the Best Used Car Deals »

How Much Does the 2018 Mercedes-Benz GLC Cost to Own?

The 2018 GLC's five-year costs for gas, insurance, repairs, and maintenance are projected to be $34,055, or roughly $6,810 per year. That’s above average for a luxury compact SUV.

Is It Better to Buy a Used or New GLC?

The 2019 GLC starts at around $40,700, which is substantially more than what you'll pay for average for a used 2018 GLC. The 2019 model adds heated front seats and a 115-volt household-style power outlet as standard equipment, as well as tri-zone climate control and an Off-Road Engineering package as optional equipment. Unless you're longing to have these features, we recommend sticking with the more affordable 2018 GLC to save some money.

Read about the new Mercedes-Benz GLC »

The 2018 GLC is part of a generation that debuted for the 2016 model year. Mercedes added a performance-oriented AMG model for 2017, while the GLC gained two new AMG models for 2018. Performance-oriented shoppers will prefer the newer 2017 GLC and 2018 GLC, but shoppers content with the standard GLC's performance will be happy with the older and more affordable 2016 GLC.

Compare the 2017, 2018, and 2019 GLC »

See the Best New Car Deals »

See the Best New Car Lease Deals »

How Reliable Is the 2018 Mercedes-Benz GLC?

The Mercedes-Benz GLC has an above-average predicted reliability rating of four out of five from J.D. Power.

Read more about GLC reliability »

2018 Mercedes-Benz GLC Recalls

At the time of writing, there are eight safety recalls for the 2018 Mercedes-Benz GLC:

  • Passenger airbag may not deploy properly (two recalls)
  • Passenger air bag status may have the incorrect display
  • Rear seat belt may be unable to be latched
  • Turn signal lights may have the incorrect color
  • Air bag inflator housing material may fail
  • Sunroof panels may detach
  • Driver air bag may inadvertently deploy

Before buying any used vehicle, make sure all recalls have been addressed.

See more information on Mercedes-Benz GLC safety recalls »

Which Used Mercedes-Benz GLC Trim Is Right for Me?

The 2018 Mercedes-Benz GLC comes in four trims: GLC 300, GLC 350e (plug-in hybrid), AMG GLC 43, and AMG GLC 63.

The base GLC 300 comes with lots of features, making it a great choice for most shoppers. These include a 7-inch display, dual-zone automatic climate control, and forward collision warning. Opt for the GLC 350e if you're interested in a greener vehicle, or consider purchasing one of the AMG models if you're a performance-oriented shopper.

You also have a regular SUV and coupe body style to choose from in all but the GLC 350e hybrid model. The hybrid comes only in the standard SUV body style.

  • Mercedes-Benz GLC 300: The base GLC300 comes standard with a four-cylinder engine, synthetic leather upholstery, power-adjustable front seats, dual-zone automatic climate control, a power liftgate, rain-sensing windshield wipers, a rearview camera, forward collision alert, crosswind alert, emergency braking, driver drowsiness monitoring, and Pre-Safe. The standard infotainment system features a 7-inch display, HD Radio, Bluetooth, and two USB ports.
  • Mercedes-Benz GLC 350e: The plug-in hybrid GLC 350e has all-wheel drive, improved fuel efficiency, remote climate control, a haptic accelerator pedal, and four driving modes.
  • Mercedes-Benz AMG GLC 43: A powerful twin-turbocharged V6 engine and all-wheel drive come standard in the AMG GLC43.
  • Mercedes-Benz AMG GLC 63: The AMG GLC63 has a twin-turbocharged V8 engine and all-wheel drive.

See 2018 Mercedes-Benz GLC trims and specs »

What Does Mercedes-Benz's Certified Pre-Owned Warranty Cover?

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 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. This warranty can be renewed for a fee. If the new-car warranty has expired, you’ll receive the one-year warranty with unlimited mileage. Every Mercedes-Benz CPO vehicle must pass a 165-point inspection.

If you’re unsatisfied with your CPO vehicle, Mercedes’ Exchange Privilege program allows you to exchange it for another CPO vehicle of equal or lesser value within seven days or 500 miles. Additional benefits like towing and 24-hour roadside assistance may be available, so read the Mercedes-Benz warranty page carefully.

Among luxury car manufacturers, Mercedes-Benz’s CPO program is about average. It’s better than BMW’s but not as robust as Jaguar’s or Lexus’, according to our analysis.

See the best CPO programs »

How Safe Is the GLC?

The Insurance Institute for Highway Safety named the GLC a 2018 Top Safety Pick+ and gave it the highest rating of Good in all crash tests performed. The GLC received the top rating of Superior for front crash prevention. Depending on how it's equipped, the 2018 GLC earned Marginal to Good ratings for how well the headlights illuminate the road ahead.

The National Highway Traffic Safety Administration gave the GLC an overall rating of five out of five stars, with five stars in frontal and side crash tests and four stars in the rollover test.

Standard advanced safety features:

  • rearview camera
  • forward collision warning
  • crosswind alert
  • emergency braking
  • driver drowsiness monitoring
  • Mercedes Pre-Safe, which readies the SUV for an impending collision by doing things like tightening the seat belts and rolling up the windows

Available advanced safety features:

  • head-up display
  • blind spot monitoring

See GLC safety scores »

2018 Mercedes-Benz GLC Versus the Competition

Which Is Better: 2018 Mercedes-Benz GLC or 2018 BMW X3?

The 2018 BMW X3 stands out as one of the most engaging luxury compact SUVs. It has a somewhat firm suspension, sharp steering, and athletic handling, yet it still provides a smooth ride. That said, the GLC is a more well-rounded SUV. Although the GLC is tuned for comfort, it has responsive handling. This Mercedes also has more luxurious cabin materials, more standard and available features, and stronger engine options the BMW. Pick the GLC.

Which Is Better: 2018 Mercedes-Benz GLC or 2018 Lexus NX?

The 2018 Lexus NX has a lengthy list of standard features, a spacious cabin, a lower average list price, and a slightly higher predicted reliability rating than the GLC. However, the GLC is still a superior vehicle overall. It has a more straightforward infotainment system, a richer cabin, and stronger engines.

Compare the GLC, X3, and NX »

2018 GLC Performance

How Does the 2018 Mercedes-Benz GLC Drive?

The 2018 GLC is a comfortable cruiser with a cushioned ride and responsive handling. The standard four-cylinder engine is mated to a nine-speed automatic transmission. In this setup, the Mercedes has good everyday power. Those looking for more muscle have two AMG models to choose from. One features a V6 engine, and the other has a V8. A plug-in-hybrid model is also available.

  • Base engine: 241-horsepower turbocharged 2.0-liter four-cylinder
  • Available powertrains:
    • 362-horsepower twin-turbocharged 3.0-liter V6
    • 469-horsepower twin-turbocharged 4.0-liter V8
    • Turbocharged 2.0-liter four-cylinder and electric motor with a combined 320 horsepower (plug-in hybrid)
  • Drivetrain: standard front-wheel drive; available all-wheel drive
  • Transmission: standard nine-speed automatic; available seven-speed automatic, and AMG-enhanced nine-speed automatic
Does the 2018 Mercedes-Benz GLC Get Good Gas Mileage?

The 2018 GLC has average fuel efficiency for the class.

  • Four-cylinder, RWD: 22/28 mpg city/highway
  • Four-cylinder, AWD: 21-22/27-28 mpg
  • V6, AWD: 18/24 mpg
  • V8: up to 15-16/22 mpg
  • Plug-in hybrid: 56 MPGe; 25 mpg combined city/highway

All models use premium fuel. For more information, read What Is MPGe?

2018 Mercedes-Benz GLC Alternative Fuels and Charging

A fully charged GLC 350e can travel up to 9 miles on electricity alone. This plug-in-hybrid model comes equipped with a haptic accelerator pedal and four driving modes.

Read more about GLC performance »

2018 GLC Interior

How Many People Does the 2018 GLC Seat?

The 2018 GLC seats up to five people in two rows. This Mercedes' supple seats offer superb comfort, and there's roomy seating for adults in the front and rear. 

Standard seating features:

  • synthetic leather upholstery
  • power-adjustable front seats

Available seating features:

  • genuine leather upholstery
  • heated and ventilated front seats
  • power-adjustable passenger seat
  • heated steering wheel
  • heated rear seats
How Many Child Car Seats Fit in the 2018 Mercedes-Benz GLC?

The 2018 GLC has two complete sets of LATCH car-seat connectors on the rear outboard seats and an upper tether on the rear middle seat. The Insurance Institute for Highway Safety gave it the second-highest rating of Acceptable for ease of use.

2018 Mercedes-Benz GLC Features

This Mercedes' infotainment system is fairly easy to use, and it has only a minor learning curve. To operate the system, you use a rotary controller near the center console. Physical control knobs for audio and climate functions are also on the control panel. Some models may come with a touchpad controller that operates a larger display. 

  • Standard infotainment features: an infotainment system with a 7-inch display, HD Radio, Bluetooth, and two USB ports
  • Available infotainment features: an 8.4-inch display, navigation, a touchpad controller, satellite radio, Apple CarPlay, and Android Auto
  • Additional standard features: dual-zone automatic climate control
  • Other available features: remote climate control

See 2018 Mercedes-Benz GLC specs »

Read more about GLC interior »

2018 Mercedes-Benz GLC Dimensions

Mercedes-Benz GLC Cargo Space

The 2015 GLC has 17.6 cubic feet of cargo space behind the back row and 56.5 cubic feet of space when the rear seats are folded down. Those cargo numbers are about average for the luxury compact SUV class. GLC coupe models aren't as spacious, with a low overall capacity of 49.4 cubic feet. A power liftgate is standard.

These cargo dimensions are for comparative purposes. There is no substitute for visually examining the storage area in any car you’re considering.

2018 Mercedes-Benz GLC Length and Weight
  • Length: up to 15 feet, 5 inches
  • Curb weight: 3,890 to 4,564 pounds

Where Was the 2018 Mercedes-Benz GLC Built?

Mercedes built the GLC in Finland and Germany.

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See the full 2018 Luxury Compact SUVs rankings »

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