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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
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Used
2020 Mercedes-Benz GLC 300
for sale
near
Worth, IL
- Down Payment
- $0
- Net trade-in value
- $0
- Months
- 72
- APR
- 7.0%
- Sales tax
- 0.0%
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.






Used
2020 Mercedes-Benz GLC 300 4MATIC
Vehicle information
Features
Reviews
It was very good.
It was very good. Everyone was friendly and professional. The whole buying process was quick and easy. We had bought vehicles there before and will go back again
My Mercedes Benz SUV
I am a senior citizen and I want to feel secure while driving, and the SUV gives me that. I am on the short side so getting in and out was a new experience for me, but I learned how to manage it. Once, I found the seat setting the visibility is exceptionally good. It handles nicely on the road with quick pick-up, and the gas mileage is about average.






Used
2020 Mercedes-Benz GLC 300 Base 4MATIC
Vehicle information
Features
Reviews
I just purchased a car from Castle Hyundai of Oak Lawn,
I just purchased a car from Castle Hyundai of Oak Lawn, and I couldn’t be more grateful for the experience. From start to finish, the team showed true professionalism, care, and integrity—qualities that can be hard to come by in the car-buying world. Now I truly understand what they mean when they say “Drive Happy!” Jim (Sales Manager), Nick (Sales Consultant), Brennan (Internet Representative), and John (Finance Manager) were an absolute pleasure to work with. They went above and beyond to make sure I felt informed, respected, and supported throughout the process. They were transparent, never pushy, and always willing to answer my (many!) questions with patience and honesty. It was clear that they genuinely cared—about the car, the deal, and most importantly, about me as a customer. They didn’t just meet expectations - they exceeded them. The entire process was smooth, respectful, and even enjoyable. These are good people who take pride in doing right by others. Thank you to everyone at Castle Hyundai of Oak Lawn—you didn’t just help me get a great car, you made the whole experience one to remember. You went the extra mile (pun absolutely intended) and because of you, I now Drive Happy!
ROCKING MY SABLE BROWN LEATHER SEATS!
I'm not new to the Mercedes brand, as this is my 4th. This is, however, my first try at the Mercedes SUV. So far, I'm extremely happy. Favorite feature has to be the camel leather seats...an impressive update from the MB-Tex.






Used
2020 Mercedes-Benz GLC 300 4MATIC Coupe
Vehicle information
Features
Reviews
I bought a 2021 Mustang Mach E for my son and I thought
I bought a 2021 Mustang Mach E for my son and I thought it would be more complicated getting the $4000 rebate but it ended up taking 2 minutes. Highly recommend if you are trying to get the IRS rebate on EV’s.
Pleasant drive, but not driver friendly.
A pleasant driving car. Very dependable. But, in my opinion, not very user friendly. The controls for features like like wipers, lights, and GPS are complex and buried under layers. The GPS took me over a route that was 1 hour longer than normal on a 5 hour trip because GPS had avoid carpool lanes turned on. Had to call MB at an 800 number to find out the feature even existed. Also, I HATE the run flat tires.






Used
2020 Mercedes-Benz GLC 300 Base
Vehicle information
Features
Reviews
I just got my Tesla at Affinity.
I just got my Tesla at Affinity. Milton was amazing. He knew exactly what I needed. I strongly suggest that you go see him before EV credit is over.
Best SUV, I ever had, it is my retirement car
This car excess my expectation it is a dream care. I feel so comfortable in it, it has a lot of space for me. I love the automatic park assistance and touch screen.






Used
2020 Mercedes-Benz GLC 300 Base
Vehicle information
Features
Reviews
Very professional and helpful.
Very professional and helpful. Also, the salesperson was very helpful and accommodating. I'm happy to recommend!
GLC Coupe
I bought the GLC Coupe with the AMG package and it’s the nicest car I have ever owned. The unique two tone (black and cranberry) interior definitely sets it apart from other cars.






Used
2020 Mercedes-Benz GLC 300 4MATIC
Vehicle information
Features
Reviews
Eric is a great salesman and offered me a great deal I
Eric is a great salesman and offered me a great deal I wouldn't have bought my dream car without his assistance.






Used
2020 Mercedes-Benz GLC 300 4MATIC Coupe
Vehicle information
Features
Reviews
Agnes was beyond amazing!
Agnes was beyond amazing!!! She was so personable, helpful, and friendly!!!! We drove almost 3 hours to buy our new Land Rover and we would most definitely return to work with Agnes ANY TIME!!!






Used
2020 Mercedes-Benz GLC 300 4MATIC
Vehicle information
Features
Reviews
Made me feel like family as soon as I walked in very
Made me feel like family as soon as I walked in very helpful and accommodating to my needs didn?t feel rushed at all great staff and location overall.


Used
2020 Mercedes-Benz GLC 300 4MATIC
Vehicle information
Features
Reviews
This dealer was extremely professional and a pleasure to
This dealer was extremely professional and a pleasure to do business with. I am extremely happy with my purchase! So much so that I flew from out of state to buy the car. Highly recommend this dealership!

Used
2020 Mercedes-Benz GLC 300 Base 4MATIC
Vehicle information
Features
Reviews
Great work, GREAT people.
Great work, GREAT people. Ask for Mike S. He did the best. Love my ford fusion. Very nice guy, he cared & took his time. ALL my needs were met. Thank you Oak Lawn Volkswagen! Thank you, Amaya C.
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Mercedes-Benz GLC 300 prices by year
Model year | Average price | Deals |
---|---|---|
2026 Mercedes-Benz GLC 300 | $60,729 | |
2025 Mercedes-Benz GLC 300 | $54,964 | 33 Great deals |
2024 Mercedes-Benz GLC 300 | $44,035 | 10 Great deals |
2023 Mercedes-Benz GLC 300 | $40,797 | 8 Good deals |
2022 Mercedes-Benz GLC 300 | $31,285 | 19 Great deals |
2021 Mercedes-Benz GLC 300 | $27,581 | 10 Great deals |
2019 Mercedes-Benz GLC 300 | $21,563 | 8 Great deals |
2018 Mercedes-Benz GLC 300 | $18,700 | 8 Great deals |
2017 Mercedes-Benz GLC 300 | $17,442 | 5 Good deals |
About the 2020 Mercedes-Benz GLC 300
Base shown (base trim).
- Seating
- 5
- Door count
- 4
- Drivetrain
- Rear-wheel drive
- Combined MPG
- 24
- Transmission
- 9-Speed A/T
- Engine
- 255.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel)

How much does the 2020 Mercedes-Benz GLC 300 cost?
The 2020 Mercedes-Benz GLC 300 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2020 GLC 300 is $24,382, with pricing starting at $14,063.
What is the MPG of the 2020 Mercedes-Benz GLC 300?
The 2020 Mercedes-Benz GLC 300 offers up to 22 MPG in city driving and 29 MPG on the highway for a combined rating of 24 MPG.
These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.
What are some similar vehicles and competitors of the 2020 Mercedes-Benz GLC 300?
The 2020 Mercedes-Benz GLC 300 compares to and/or competes against the following vehicles:
Is the 2020 Mercedes-Benz GLC 300 reliable?
The 2020 Mercedes-Benz GLC 300 has an average reliability rating of 4.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 GLC 300 owners.
Is the 2020 Mercedes-Benz GLC 300 a good SUV?
Below are the Cars.com consumer ratings for the 2020 Mercedes-Benz GLC 300.
- Comfort 4.8
- Interior 4.8
- Performance 4.6
- Value 4.5
- Exterior 4.7
- Reliability 4.5
84% of drivers recommend this car
- Comfort 4.8
- Interior 4.8
- Performance 4.6
- Value 4.5
- Exterior 4.7
- Reliability 4.5
GLC 300 (3 styles)
Style | ||
---|---|---|
GLC 300 4MATIC Coupe | GLC 300 4MATIC SUV | GLC 300 SUV |
Inventory price | ||
Starting at $50,000 | Starting at $44,500 | Starting at $42,500 |
Combined MPG | ||
24 | 24 | 24 |
Engine | ||
255.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel) | 255.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel) | 255.0-hp, 2.0-liter, 4 Cylinder Engine (Gasoline Fuel) |
*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.
**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.
Research the 2020 Mercedes-Benz GLC 300
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This vehicle is certified pre-owned, backed by a manufacturer warranty, and typically undergoes a rigorous multi-point inspection to ensure quality and reliability.
This vehicle is currently in high demand given its competitive price, desirable features, and overall condition, and may have a higher chance of selling quickly.