2021 Mercedes-Benz GLC-Class
US · SUV · Small Sport Utility Vehicle 2WD
The 2021 Mercedes-Benz GLC-Class is listed in the US market as a suv with gasoline power. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 4.0L 8-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI)
- Power
- 255 hp (190 kW)
- Torque
- 295 lb-ft (400 Nm)
- Transmission
- 9-speed automatic
- Drivetrain
- Varies by configuration: 4WD, RWD
- Fuel
- Gasoline
- Economy
- 17 mpg (13.8 L/100 km) to 25 mpg (9.4 L/100 km) combined
- Seating
- 5 seats
Key Performance & Dimensions
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 4.0L 8-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) | |
| Displacement | 2.0 L to 4.0 L | |
| Cylinders | 4 to 8 | |
| Aspiration | Turbocharged | |
| Power | 255 hp (190 kW) | |
| Torque | 295 lb-ft (400 Nm) | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Performance
| Specification | Value | Source |
|---|---|---|
| 0–100 km/h | 6.0 s | |
| Top speed | 149 mph (240 km/h) |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 9 | |
| Drivetrain | Varies by configuration: 4WD, RWD |
Dimensions
| Specification | Value | Source |
|---|---|---|
| Length | 187.0 in (4,751 mm) | |
| Width | 71.7 in (1,820 mm) | |
| Height | 56.6 in (1,438 mm) | |
| Wheelbase | 112.8 in (2,865 mm) |
Weight
| Specification | Value | Source |
|---|---|---|
| Curb weight | 3,726 lb (1,690 kg) |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 17 mpg (13.8 L/100 km) to 25 mpg (9.4 L/100 km) | EPA fueleconomy.gov |
| City | 15 mpg (15.7 L/100 km) to 22 mpg (10.7 L/100 km) | |
| Highway | 22 mpg (10.7 L/100 km) to 29 mpg (8.1 L/100 km) |
Capacity
| Specification | Value | Source |
|---|---|---|
| Seats | 5 | |
| Doors | 4 |
Our sources do not publish these for this vehicle: Towing capacity, Payload, Ground clearance, Gross vehicle weight rating, Electric range, Battery capacity, Fuel tank, Cargo volume. We leave them out instead of estimating.
Trims and configurations
8 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
- AMG GLC43 4matic · 3.0L · 4WD · 9-speed automatic
- AMG GLC43 4matic Coupe · 3.0L · 4WD · 9-speed automatic
- AMG GLC63 4matic Plus · 4.0L · 4WD · 9-speed automatic
- AMG GLC63 4matic Plus Coupe · 4.0L · 4WD · 9-speed automatic
- AMG GLC63 S 4matic Plus Coupe · 4.0L · 4WD · 9-speed automatic
- GLC300 · 2.0L · RWD · 9-speed automatic
- GLC300 4matic · 2.0L · 4WD · 9-speed automatic
- GLC300 4matic Coupe · 2.0L · 4WD · 9-speed automatic
Recalls
No recall campaigns were found in NHTSA data at the last check. Last checked November 8, 2026.
Data sources
- EPA fueleconomy.gov · retrieved November 4, 2026 · US Government public data
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
Source checked: November 4, 2026
Data verified: November 4, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
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Frequently asked questions
What engine does the 2021 Mercedes-Benz GLC-Class have?
Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 4.0L 8-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI). Engines can differ by trim, so check the trim list below.
How much horsepower does the 2021 Mercedes-Benz GLC-Class have?
255 hp (190 kW), as listed by our sources.
What is the fuel economy of the 2021 Mercedes-Benz GLC-Class?
Combined fuel economy is 17 mpg (13.8 L/100 km) to 25 mpg (9.4 L/100 km), as published by the source shown in the specification table.
Is the 2021 Mercedes-Benz GLC-Class front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: 4WD, RWD.
How many seats does the 2021 Mercedes-Benz GLC-Class have?
5 seats.
How long is the 2021 Mercedes-Benz GLC-Class?
187.0 in (4,751 mm).
Are there recalls for the 2021 Mercedes-Benz GLC-Class?
No recall campaigns were found in NHTSA data when we last checked on November 8, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.