2021 Mercedes-Benz GLC 300 Coupe

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2021 Mercedes-Benz GLC 300 Coupe Complete In-depth Review & Buying Guide

Updated on: November 9, 2020

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S. Guha

Senior Editor

The GLC badge was launched in 2016, replacing the GLK Class which was not pinching the sales chart. As part of the first GLC generation, Mercedes also launched the coupe-styled GLC 300, and just like its SUV counterpart, the coupe became an instant hit too. An abundance of confidence, a tempting design, and some innovative technologies, are some of the key attributes of this vehicle. The 2021 GLC 300 SUV promises to retain the same philosophy, without any further changes. But given that the 2022/2021 GLC 300 has been revamped, the GLC 300 Coupe is also expected to go through similar changes. So how far have the changes gone? Let’s find out.

See detailed review »


Luxurious interior and premium touch

Excellent riding behavior

Long list safety aids and driving assistance features


Cargo area ain’t that spacious

Compromised second row

Feel pricier in its class

What's New?

New infotainment system

Increase in power from new redesigned engine

Pictures & Videos

2021 Mercedes-Benz GLC 300 Coupe Review video
2021 Mercedes-Benz GLC 300 Coupe Review video


Engine And Performance








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Trims and Configurations


2021 Mercedes-Benz GLC 300 Coupe Base




Style Prices MPG Engine Transmission Drivetrain Seats Colors
4Matic 4dr SUV AWD (2.0L 4cyl Turbo 9A) Starting at $51,650 MSRP TBD TBD

Expert Review


Overall Rating

TheGLC coupe received some significant changes in 2020, so with some crucial updates, the GLC coupe 300 will step into 2021, better and more refined. Thismid-size GLC coupe already gets some of the industry-advancing innovations. The model has seen a slight bump in the sticker price, which starts at $51,650. The 2021 Mercedes Benz 300 Coupe SUV is going to fight against the well-liked rivals namely the2021 BMW X3 xDrive30i, 2021 Audi Q5 Premium Quattro, and2021 Lexus RX 350. All these rivals are equally level-headed. But what makes GLC 300 Coupe SUV remain top amongst these rivals? Let’s move ahead and find out.

Engine and Performance



2021 Mercedes-Benz GLC 300 Coupe Features

2021 Mercedes-Benz GLC 300 Coupe SUV imbibes the paramount of significant Mercedes’ ‘Intelligent Innovation” with a killer portfolio. The model perfectly aligns with the overall expectations of the buyers and offers a rich feature list. With Mercedes’ 4MATIC standard on the coupe variant, an the punchy inline-4 tubro engine, the base GLC 300 is more ythan fairly specced.


GLC 300 Coupe SUV



Key Features

Smartphone Integration with Apple CarPlay and Android Auto


Dashcam and Parking Damage Detection


19” wheels


64-color Ambient Lighting with Illuminated Door Sills


PARKTRONIC with Active Parking Assist

GLC 300 Coupe SUV comes at a cost price of $51,650 and gets premium standard features such as 64-color Ambient Lighting with Illuminated Door Sills, 19” wheels, and PARKTRONIC with Active Parking Assist.

2021 Mercedes-Benz GLC 300 Coupe Maintenance, Reliability and Warranty

Despite the upscale and comforting aspects of the 2021 Mercedes-Benz GLC 300 Coupe SUV, a question of reliability remains, even for luxury cars. With a starting price of $50,000, the GLC coupe might not be a yacht-owners go-to-club vehicle, but it sure does manages to stand out with its slanting roof. And when such an eye-catching piece of machinery passes hands, a certain degree of enthusiastic and safe driving should be a normal expectation. The manufacturer has tied all the expectations of the buyers with the threads of practicality and reliability which can be proved on and off the paper with critique satisfaction reports and J.D. Power ratings.

Reliability and Ownership Costs

Be it the J.D Power reports or critics,GLC 300 Coupe SUV has been a popular choice in the market which has tempted customers for years. For 2021, J.D Power Reports are not officially out but it gets the same eminent features as that of the base model. Due to a lack of data, we would take the 2020 model as a reference. The 2020 model managed to score a good and reliability rating of 83 out of 100 and scored the most satisfactory dealership experience of 83 out of 100. 

  • Quality & Reliability - GREAT. 83/100.
  • Driving Experience - GREAT. 75/100.
  • Resale - GREAT. 78/100.
  • Dealership Experience - GREAT. 83/100.

As far as ownership costs are concerned, the GLC coupe sees a depreciation of which is around 43-45% over five year. Fuel costs are a bit reasonable, but then again the engine was efficient then. As can be gathered from the data below, the GLC coupe saw the most amount of cost in the first year. From there on, the cost somewhat remained standardised, yet it was above $10,000, and that was lot for $50,000 car. But provied that the 2021 GLC coupe will be more refined and has been tuned to drive more efficiently, the numbers will definitely improve.


Year 1

Year 2

Year 3

Year 4

Year 5


Tax Credit




























Taxes & Fees




























Real Cost to Own







Being a revered brand of the Automobile industry, Mercedes-Benz GLC 300 Coupe SUV, gives the convenient and hassle-free maintenance to its buyers, even periodical scheduled maintenance is employed with the ASSYST Plus service display, which is enabled in the service station system. However, being a recognized brand, repairs and maintenance are not cost-friendly. The average of the real ownership cost for the GLC 300 Coupe SUV comes around $69,738 which is spread over a period of 5 years.







New Jersey




We have taken an estimated price of $51,650 for all the above states, but the folks of these states may see the variation in the final price of GLC 300 Coupe SUV, because of destination taxes, rebates, and other prevalent factors.

Bring home a luxury and forget about safety recalls, is just a paradoxical statement, Mercedes-Benz GLC 300 Coupe SUV invites no safety recalls in the last model. But it heard recalls from NHTSA in 2019 and some of the recalls were related to service brakes, engine, and electrical system.


In terms of the warranty, the 2021 Mercedes-Benz GLC 300 Coupe SUV is decent in offering a wholesome package which makes this car stand in line with its rivals. It offers 4 years or 50,000 miles limited warranty and 4 years or 50,000 miles power train warranty. However complimentary scheduled maintenance is not offered.



Limited warranty

4 years/ 50,000 miles; whichever is earlier

Powertrain warranty

4 years/ 50,000 miles; whichever is earlier

Complimentary scheduled maintenance


Rivals such as Audi and BMW boast the same level of warranty but Lexus is ahead from all the rivals with a good deal of warranty packages.

Miles Per dollar

Miles Per dollar is helpful in estimating the real budget of the buyer to invest in a desirable vehicle and provide a more pellucid picture of realistic cost. But looking over the data, the cost to drive 1 mile is 0.12 dollars, so to put things in perspective GLC 300 Coupe SUV offers around 8.33 miles per dollar.

2021 Mercedes-Benz GLC 300 Coupe Buying Advice

2021 Mercedes-Benz GLC 300 Coupe SUV packs all the bells and whistles which best suits the unique tastes of gear heads. Since it is offered only in one trim i.e. GLC 300 Coupe SUV, there’s no choice of going for another variant. If you do shell out some more greens, then there’s the AMG variantGLC 43,GLC 63 and the GLC 63 S and all three comes with a V8.

Is buying a used Mercedes-Benz GLC 300 Coupe a good idea?

Well buying a used car involves a lot of important factors, that one needs to think before buying. Some model holds quite well resale values while some may hit a bit early. In the case of the GLC 300 Coupe SUV, the resale value is quite less. But it’s resilient that looks meet status, and for the luxury like Mercedes, buyers crave even for used models.

As per depreciation reports, 2017 and 2018 serve as attractive years which hold good values, on average one can buy a 2016 model with 47% of the original cost with 66.67% of useful life remaining.

2021 Mercedes-Benz GLC 300 Coupe Engine and Performance


Stepping up to the 2021 Mercedes-Benz GLC 300, Mechanically it gets the same power train from the previous model and gets powered with a 2.0-liter turbocharged inline-4 engine which quenches the thirst with a great thrust, the engine crunches 255 ponies and 273 lb-ft torque. This engine is stout enough to rev on the roads and the 9-Speed automatic transmission swiftly sends power to all-wheel drives.


2021 Mercedes Benz GLC 300 Coupe SUV

2021 BMW X3 xDrive30i 

2021 Audi Q5 Premium Quattro 

2021 Lexus RX 350







2.0-liter turbocharged inline-4

2.0L Twin-Turbo Inline-4

2.0L Turbocharged Inline-4

3.5L Regular Unleaded Naturally Aspirated V6

Drive train






9-Speed automatic

8-Speed automatic 

7-Speed DCT

8-Speed Shiftable Automatic











All these cars get with the merry affair; mostly they are laden with the 2.0-litre turbocharged inline-4 engine which reveals enough pep and punches to get you out in busy roads. However2021 Lexus RX 350 crunches out maximum power and wins the trophy. Mercedes also picks nice power and attains maximum torque in the chart.

2021 Mercedes-Benz GLC 300 Coupe SUV Acceleration and Braking Performance 

The 2021 Mercedes-Benz GLC 300 can do the 0-60 MPH in 6.1 seconds and the quarter-mile mark in 14.6 seconds. Now this numbers might not be extremely impressive in the world of performance, but in the GLC coupe this feels pretty fast. In terms of braking GLC 300 performs decent and can slow down from 60-0 MPH in 115 feet.


2021 Mercedes Benz GLC 300 Coupe SUV

2021 BMW X3 xDrive30i 

2021 Audi Q5 Premium Quattro 

2021 Lexus RX 350

0-60 MPH 


6.2 sec

5.9 sec

6.8 sec

Quarter- Mile 

14.6 sec

15.1 sec

14.5 sec

15.1 sec

Top- Speed 

130 MPH

130 MPH

135 MPH

112 MPH

60-0 MPH

115 ft

114 ft

112 ft


From the above chart rivals seem more competitive with accelerating figures,2021 Audi Q5 premium Quattro tops the chart with the top speed of 135mph and achieving swift acceleration in just 5.9 seconds. It also stops the car at just 112 feet. Even GLC 300 Coupe SUV performs decently in offering satisfaction to its buyers with the top speed of 130mph and halting distance of 115 feet.

2021 Mercedes-Benz GLC 300 Coupe Fuel Economy

GLC 300 doesn’t compromise with fuel economy, and offers impressive efficiency to gear heads, with decent chassis, the fuel capacity offered by 2021 Mercedes-Benz GLC 300 is 17.4 gallons, also mpg offered by this model in the city is 21 mpg; the highway is 28mpg and combined it offers 24 mpg. This model with decent EPA ratings excels in giving power pack performance along with stellar fuel efficiency.


2021 Mercedes Benz GLC 300 Coupe SUV

2021 BMW X3 xDrive30i 

2021 Audi Q5 Premium Quattro 

2021 Lexus RX 350

MPG (City)





MPG (Highway)





MPG (Combined)





Fuel Capacity 

17.4 gallons

17.2 gallons

18.5 gallons

19.2 gallons

Range (City/Highway/Combined)

365/487/417 miles

413/499/447 miles

407/500/444 miles

384/518/441 miles

The figures are quite competitive and get each rival to cruise efficiently on highways and city ways,but the most enthralling range figures are offered by BMW X3, which brings out heart in the hands.

2021 Mercedes-Benz GLC 300 Coupe Interior


The new GLC 300 Coupe SUV indulges the senses of occupants with a salubrious and high-class interior that usually proves paragon for the SUV segment. As soon as passengers step inside this car, the main attention is stolen by cabin design which has been brimmed with swank Euro Flair. Even the manufacturers have chiseled this car with top-notch materials which many top rivals still lack, it has thrown out old plastic materials and jutted the curves and corners with rice wood and metal surrounds, also high-grade quality synthetic leather Mercedes’ MB- Tex which comes standard. To create vibrancy, genuine leather is also available in different colors.

Ambient lighting and dual-zone automatic climate uplift the mood of the passengers. Apart from the luxury feel, plush is not compromised and all the convenience features embody the comfort of this car. The seat positioning is also decent which offers wide-ranging visibility of roads. This opulence can easily accommodate five people with adequate bolstering and ultimate plush. You can easily go with family members without doubting the luxury and plush factor. All the seats are power-adjustable with heated and ventilated seats. The front passengers experience the ultimate level of comfort. The car offers generous front room space and gets 37.8 inches headroom, 57.3 inches shoulder room, and 40.8 inches legroom. For the rear room, it offers 38.5 inches headroom, 56.5 inches shoulder room, and 37.3 inches legroom. However, because of its coupe styling, the headroom in the second room lacks enough space.


2021 Mercedes Benz GLC 300 Coupe SUV

2021 BMW X3 xDrive30i 

2021 Audi Q5 Premium Quattro 

2021 Lexus RX 350

Seating Capacity





Front Row (Headroom/Shoulder Room/Leg Room, in inches)





Second Row (Headroom/Shoulder Room/Leg Room, in inches)





In terms of interior trajectory and high details of style, GLC 300 Coupe SUV, doesn’t compromises, even plush levels are high for the front row, but it lags behind the race of giving better space and enough plush for second-row headroom because of its coupe styling. But Audi gets the maximum front and second-row space with a great deal of comfort.

Key interior features that come with 2021 Mercedes-Benz GLC 300 Coupe SUV:

  • Power front seats with driver-seat memory
  • Dual-zone automatic climate control
  • Remote Start via Mercedes me Mobile App
  • Heated front seats
  • 40/20/40-split rear seats with power folding
  • Power-folding side mirrors
  • Power liftgate
  • Household-type 115V power outlet
  • Illuminated entry system
  • HomeLink garage door opener

How’s the 2021 Mercedes-Benz GLC 300 Coupe SUV Infotainment system?

Mercedes-Benz GLC 300 Coupe SUV has tons of features in its box. It has everything to keep tech-savvy highly engrossed throughout the journey with a subtle user interface and hassle-free infotainment system. GLC 300 Coupe SUV has flavors of everything to enjoy while driving this luxury. The updated MBUX system is a new attention seeker, which gets activated by simply saying “Hey Mercedes” and even folks can use voice recognition and say “Hey Mercedes” get me drooling coffee. The 10.25 inch- touch screen is decent to operate. Apple Car Play and Android Auto integration come standard with this segment, Audiophiles also gets upgraded Burmester audio system.

Prominent infotainment features offered in 2021 Mercedes-Benz GLC 300 Coupe SUV:

  • Apple CarPlay
  • Analog gauges with high-resolution multifunction display
  • 10.25-inch touchscreen multimedia display
  • Mercedes-Benz User Experience (MBUX)
  • Voice Control with Natural Language Understanding
  • "Hey, Mercedes" keyword activation
  • Steering wheel with Touch Control Buttons
  • Touchpad controller
  • FrontBass system
  • Android Auto
  • Bluetooth audio streaming
  • Dual USB audio ports
  • HD Radio receiver
  • Hands-free Bluetooth interface

2021 Mercedes-Benz GLC 300 Coupe Exterior


The main attention of this luxury is “Coupe SUV” which gets a dramatic slope and an aggressive traditional coupe. The sleek details and subtle style reveals the embodiment of this car. The overall appearance has been pretty well exposed with chrome diamond grille along with the brushed aluminum running boards. The gloss black exterior accents also catch the attention with full grace.


2021 Mercedes Benz GLC 300 Coupe SUV

2021 BMW X3 xDrive30i 

2021 Audi Q5 Premium Quattro 

2021 Lexus RX 350

Curb Weight 

4057 lbs

4034 lbs

4057 lbs

4,222 lbs
















Ground Clearance 










Some of the exterior features that come with the 2021 Mercedes-Benz GLC 300 Coupe SUV are:-

  • Sport interior appointments
  • Brushed aluminum running boards
  • Chrome diamond-block grille
  • Anodized roof rails
  • Panorama roof
  • Gloss Black exterior accents

The dimensions reveal the equal persona of the exterior design of all the rivals, even GLC 300 Coupe SUV boasts satisfactory dimensions with an attractive body along with maximum wheelbase. However, Lexus posses’ great exterior numbers with the highest curb weight of 4,222lbs.

2021 Mercedes-Benz GLC 300 Coupe Safety

The 2021 Mercedes-Benz GLC 300 Coupe SUV marks all the checklist of safety features and does not leave any stone unturned with advanced safety features. It justifies the capabilities of “Coupe SUV”. But the car has not undergone crash tests so NHTSA and IIHS ratings are not available.

Safety features that come in 2021 Mercedes-Benz GLC 300 Coupe SUV are:

  • Active Brake Assist
  • 7 Airbags
  • LED headlamps and taillamps
  • Blind Spot Assist with Exit Warning Assist
  • Crosswind Assist
  • Adaptive braking technology
  • Brake Assist
  • Electronic Stability Program (ESP)
  • Aluminum and high-strength steel body structure
  • Advanced Tire Pressure Monitoring System
  • Antitheft alarm system with remote panic feature

2021 Mercedes-Benz GLC 300 Coupe Competition

2021 Mercedes-Benz GLC 300 Coupe SUV vs. 2021 BMW X3 xDrive30i 

Both these competitors enchant the flavors of luxury, that serves as a favorite icon for the buyers, they both have inherited with tech-savvy features, which bring cutting-edge technology and also gets the good fuel efficiency, but when we jump into the peculiar things, GLC 300 Coupe SUV carries the heavy price tag, which may be suited only for the elite class. Rest it’s a good choice to run for.

2021 Mercedes-Benz GLC 300 Coupe SUV vs. 2021 Audi Q5 Premium Quattro 

GLC 300 Coupe SUV is a serious déjà vu that comes to align in the competition with Audi Q5, both these cars have equally got recognition in the automotive market, still, we can find that Audi Q5 beats the Mercedes in the number game, with peppy performance, great acceleration and pricing are the key areas where Q5 beats GLC 300 Coupe SUV. Even after lagging behind in the race of performance, GLC 300 Coupe SUV succeeds in offering an opulent and salubrious interior. 

2021 Mercedes-Benz GLC 300 Coupe Final Verdict

The first thing that might create a conundrum is the “Coupe SUV”, with the addition of the coupe Mercedes might be altering the styling but it’s really reducing the practicality in the area of second-row space. Although the exterior gets the enticing slope with the sleek body design, it somehow reduces some points here. Even though the model gets peppy performance, stellar fuel economy, and lavishly designed interior, it drops the jaw with a heavy price.