2020 Mercedes-Benz GLC300 review

Research, photos, specs, and expertise

Mercedes-Benz GLC300 highlights

Customer rating


  • Balances comfort and sportiness
  • Elegant design inside and out
  • Rear row is suitable for adults
  • Standard four-cylinder engine achieves good fuel economy


  • Offers less cargo space than rivals
  • Some might find the towing capacity disappointing

Mileage (EPA estimate)

21 city, 28 highway, 24 combined

Pricing for current inventory

(no current inventory)


A luxurious SUV with advanced features and high-end style.

As part of Mercedes-Benz's GLC-Class of luxury SUVs, the 2020 GLC300 is a stand-out choice if you're shopping for a premium five-passenger vehicle. With this model, you'll enjoy eye-catching design, a plush cabin, and powerful engine performance, along with many driver-assist features to elevate your commute. If you want performance-tuning, the GLC-Class boasts two AMG models that will add some high-revving excitement to your drive. While we currently do not have many 2020 Mercedes-Benz GLC300s on our lots, we look forward to selling more in the future. If you love the 2020 model, you should also consider prior model years of the Mercedes-Benz GLC300 with similar features.

All Mercedes-Benz GLC300 years

What is new for the 2020 Mercedes-Benz GLC300?

  • GLC300 trims have been upgraded with Smart Key, Blind Spot Monitor, Android Auto, and Apple CarPlay as standard equipment this year.
  • Automated Parking features are now available as options on select trims.

2020 Mercedes-Benz GLC300 trims

Curious how Mercedes-Benz GLC300 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities


  • Includes 18-inch split five-spoke wheels, a power liftgate, LED headlights, heated front seats with power adjustments and driver memory, 10.25-inch touchscreen display with Apple CarPlay and Android Auto capabilities, and more.


  • Includes the same standard equipment as the GLC300, but with the inclusion of Mercedes 4MATIC all-wheel drive.


  • Includes similar standard equipment as the GLC300 4MATIC, but adds a 90-kW plug-in hybrid electric motor.


  • Adds 20-inch AMG Y five-spoke wheels, AMG Sport Suspension with Air Body Control, AMG Performance 4MATIC all-wheel drive, AMG Speedshift nine-speed transmission, AMG Sport Braking System, AMG Sport Exhaust System, and more.


  • Adds an AMG High-performance Braking System, AMG electronic limited-slip differential, AMG Performance 4MATIC+ all-wheel drive, 13-speaker Burmester surround sound system, and more.

  • View all Mercedes-Benz GLC300s in stock

5 reasons to buy the 2020 Mercedes-Benz GLC300

1. Range of powertrain options

2020 Mercedes-Benz GLC300: Engine | CarMax

The 2020 Mercedes-Benz GLC-Class offers four powertrain options that let you express your driving passion on the open road. A 255-hp turbocharged four-cylinder engine with a nine-speed automatic transmission is the 2020 Mercedes GLC300's base powertrain. Rear-wheel drive comes standard or there is a GLC300 4MATIC® version, which includes all-wheel drive for optimized wheel torque and traction. If you are a performance enthusiast looking to get a Mercedes AMG SUV, you'll want to consider the 2020 AMG GLC43's turbo 3.0L V6 with 385 hp or the AMG GLC63's turbo 4.0L V8 with a sizzling 469 hp. Available mid-2020, a GLC350e plug-in hybrid will also be offered and include a turbo 2.0L four-cylinder gasoline engine and a 90-kW plug-in hybrid electric motor that has a total system output of 315 hp and 516 lb-ft of torque.

2. Exceptional performance

Whether you are craving a luxury SUV with Autobahn-worthy performance or a family-hauler with good fuel economy, the Mercedes-Benz GLC-Class SUV has plenty to offer. When equipped with the turbo 2.0L engine and nine-speed automatic transmission, the 2020 GLC300 4MATIC returns an EPA-estimated 21 mpg city and 28 mpg highway—and that's with all-wheel drive!

If you're looking for potent acceleration, the 2020 AMG GLC63's turbo 4.0L V8 will knock your socks off as it goes from zero to 60 mph in just 3.8 seconds. This model also boasts an advanced adaptive air sport suspension for precise handling stability, as well as a limited-slip differential.

3. Upscale interior

2020 Mercedes-Benz GLC300: Front Seats | CarMax

Luxury SUVs are admired for their premium in-cabin experience and this GLC Mercedes is no exception. All 2020 GLC-Class SUVs showcase an array of luxurious materials, which provide a comfortable passenger experience across its two rows. Standard equipment on all 2020 models includes dual-zone climate control and heated front seats with power adjustments and driver memory settings. The interior can also be upgraded to include leather upholstery, ventilated front seats, multi-media features, and more, by adding a GLC-Class package option.

2020 Mercedes-Benz GLC300: Backseats | CarMax

4. Driver-assist features

A highlight of this Mercedes is the SUV's driver-assist technologies, which can help you find extra enjoyment in your commute. Active Brake Assist, which is a radar-based technology, comes standard on all 2020 GLC-Class models and can help maintain an appropriate following distance from the vehicle in front of you. Parking the GLC Mercedes is also made easier with the inclusion of a rearview monitor (standard on all 2020 models), which displays a live 180-degree view of the vehicle on the touchscreen display.

5. Innovative connectivity

2020 Mercedes-Benz GLC300: Tech Dash | CarMax

The 2020 GLC-Class features an advanced infotainment system called the Mercedes-Benz User Experience (MBUX), which comes standard on all models except the GLC350e. It includes an expansive 10.25-inch display with touch-sensitive controls and an available voice control system that responds to everyday phrases and commands. For example, if you want to adjust the cabin temperature, just say, "Hey, Mercedes, I'm cold," and the SUV will automatically adjust the climate control system. Apple CarPlay and Android Auto capabilities are also included as standard equipment on all 2020 GLC-Class models.

Similar vehicles

If you're interested in the 2020 Mercedes-Benz GLC300, you should also check out these similar vehicles from Previous generation years.


If you're shopping for a small luxury SUV that blurs the lines between family vehicle and performance machine, the BMW X3 is a versatile option. 2018–2019 sDrive30i and xDrive30i models run off a turbocharged 2.0L four-cylinder engine that makes a generous 248 hp and 258 lb-ft of torque. If you want extra muscle, the M40i will get your adrenaline pumping with its 355-hp turbocharged 3.0L V6 and 369 lb-ft of torque (2018–2019 models). This on-road performance is matched with a comfortable interior that's as luxurious as it is practical and more than ready to drive around your family and their belongings. The X3 model offers 28.7 cubic feet of cargo room behind the second row or a maximum of 62.7 cubic feet of storage by folding the second row down (2018–2019). Standard features on the 2018–2019 all-wheel drive xDrive30i include the following:

  • 18-inch Y-spoke wheels

  • Leatherette upholstery

  • Sport front seats

  • Power tailgate

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Ratings & reliability

Customer ratings

4.6 out of 5

7 customer reviews

RepairPal gave the Mercedes-Benz GLC300 an overall reliability rating of 4 out of 5 stars, which RepairPal describes as Excellent. This rating ranks Mercedes-Benz GLC300 4th out of 29 among Luxury Midsize SUVs.

View RepairPal's full rating of the Mercedes-Benz GLC300

Mercedes-Benz GLC300 features and specs

(no trim) 2WD 4D Sport Utility

Standard Features

  • ABS Brakes
  • Air Conditioning
  • Alloy Wheels
  • AM/FM Stereo
  • Android Auto
  • Apple CarPlay
  • Automatic Transmission
  • Auxiliary Audio Input
  • Blind Spot Monitor
  • Bluetooth Technology
  • Cruise Control
  • Front Seat Heaters
  • Leatherette Seats
  • Memory Seat(s)
  • Overhead Airbags
  • Power Hatch/Deck Lid
  • Power Locks
  • Power Mirrors
  • Power Seat(s)
  • Power Windows
  • Rear Defroster
  • Rear View Camera
  • Remote Start
  • Side Airbags
  • Smart Key
  • Traction Control
  • Turbo Charged Engine
  • 20 Inch Plus Wheels
  • A/C Seat(s)
  • Air Conditioning
  • Automated Cruise Control
  • Automated Parking
  • Burmester Audio
  • CD Audio
  • Head Up Display
  • Heated Steering Wheel
  • Lane Departure Warning
  • Leather Seats
  • Navigation System
  • Panoramic Sunroof
  • Parking Sensors
  • Rear Seat Heaters
  • Run Flat Tires
  • Satellite Radio Ready
  • Tow Hitch

Drive Wheels

Rear Wheel Drive (2WD)

Engine size




Torque (ft-lbs)


Engine type

Turbo Gas

Fuel capacity




Overall length






Leg room

F 40.8"/R 37.3"

Head room

F 39.6"/R 38.5"

Front tires


Rear tires


Seating capacity


Max towing capacity

350/3500 lbs.



2020 Mercedes-Benz GLC300 FAQ

More about the 2020 Mercedes-Benz GLC300

Color options:


  • Black

  • Brilliant Blue Metallic

  • Designo Cardinal Red Metallic

  • Designo Diamond White Metallic

  • Designo Selenite Gray Metallic (not available on 2020 Mercedes-Benz GLC350e)

  • Graphite Gray Metallic (not available on 2020 Mercedes-Benz GLC350e)

  • Iridium Silver Metallic

  • Lunar Blue Metallic

  • Mojave Silver Metallic

  • Obsidian Black Metallic

  • Polar White

  • Selenite Gray Metallic

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