Main Navigation Skip to main content

Used 2021 Mercedes-Benz GLC300 near me for sale


80 matches

Get pre-qualified with
no impact to your credit

Shop with your

personalized terms

Sell us your car

Selling or trading in?

We want your car.

Overwhelmed by options? We can help

Explore customer reviews, pros & cons, reliability ratings and more

Currently viewing 22 of 80 matches

2021 Mercedes-Benz GLC300 customer reviews

Overall rating (based on 9 reviews)
4.9
5 star
8
4 star
1
3 star
0
2 star
0
1 star
0
Write a review
I really like this car. Nice ride.

PROS
Styling

looks great in and out. smooth ride

Value

I bought it used at a fair price.

Technology and Entertainment

easy to use. very functional.

CONS
Interior Space

the rear end could be wider.

Cost to Maintain

we all know maintenance on a MB is more costly.

Ken
Jan 18, 2025
loving it! it’s really a great car!

PROS
Seat Comfort
Interior Space
Reliability
jeanne
Oct 07, 2025
A great car for my family. Love this car

PROS
Styling
Weather Versatility
Technology and Entertainment
CONS
Ride and Handling
Power
Reliability
Duong Nguyen
Jun 05, 2025
View all (9)

2021 Mercedes-Benz GLC300 FAQs

The 2021 Mercedes-Benz GLC300 offers 22 MPG City and 29 MPG Highway. It is important to remember factors such as driving style, weather conditions, and the use of features such as Eco mode can impact fuel efficiency.

The Mercedes-Benz GLC300 received a rating of 4 out of 5 stars from RepairPal, which RepairPal describes as Excellent. This rating ranks the Mercedes-Benz GLC300 as 3​​ out of 29​​ among Luxury Midsize SUV

The 2021 Mercedes-Benz GLC300 has received an average 4.9 out of 5 stars from our customers. If you're in the market for a 2021 Mercedes-Benz GLC300, check out reviews from customers just like you.

The 2021 Mercedes-Benz GLC300 has a maximum towing capacity of 3500 pounds, when properly equipped. Various factors may impact towing capacity, including weight of passengers, cargo, and options/accessories.

Here is what's new for the 2021 Mercedes-Benz GLC300: - Parking Sensors - Automated Parking

Here are the pros and cons of the 2021 Mercedes-Benz GLC300: Pros - Styling - Technology and Entertainment - Ride and Handling Cons - Cost to Maintain - Technology and Entertainment - Ride and Handling

This price does not include tax, title, and tags. Additional fees may also apply depending on the state of purchase.

*Price excludes tax, title, tags and $699 CarMax processing fee (not required by law). Price assumes that final purchase will be made in the State of VA, unless vehicle is non-transferable. Vehicle subject to prior sale. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.

CarMax delivery is available within a 60-mile radius of select stores. Not available to customers in all states. Please contact your nearest store for details.