2021 Mercedes-Benz C-Class
US · Subcompact Cars
The 2021 Mercedes-Benz C-Class is listed in the US market 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 Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.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
- Not available
- Torque
- Not available
- Transmission
- 9-speed automatic
- Drivetrain
- Varies by configuration: 4WD, RWD
- Fuel
- Gasoline
- Seating
- Not available
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 | |
| Fuel type | Gasoline | EPA fueleconomy.gov |
Not available from our sources: Power, Torque.
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 9 | |
| Drivetrain | Varies by configuration: 4WD, RWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 27 mpg (8.7 L/100 km) to 20 mpg (11.8 L/100 km) | EPA fueleconomy.gov |
| City | 24 mpg (9.8 L/100 km) to 17 mpg (13.8 L/100 km) | |
| Highway | 35 mpg (6.7 L/100 km) to 25 mpg (9.4 L/100 km) |
Not available from our sources: Electric range, Battery capacity.
Trims and configurations
15 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
- AMG C43 4matic · 3.0L · 4WD · 9-speed automatic
- AMG C43 4matic Convertible · 3.0L · 4WD · 9-speed automatic
- AMG C43 4matic Coupe · 3.0L · 4WD · 9-speed automatic
- AMG C63 · 4.0L · RWD · 9-speed automatic
- AMG C63 Convertible · 4.0L · RWD · 9-speed automatic
- AMG C63 Coupe · 4.0L · RWD · 9-speed automatic
- AMG C63 S · 4.0L · RWD · 9-speed automatic
- AMG C63 S Convertible · 4.0L · RWD · 9-speed automatic
- AMG C63 S Coupe · 4.0L · RWD · 9-speed automatic
- C300 · 2.0L · RWD · 9-speed automatic
- C300 4matic · 2.0L · 4WD · 9-speed automatic
- C300 4matic Convertible · 2.0L · 4WD · 9-speed automatic
- C300 4matic Coupe · 2.0L · 4WD · 9-speed automatic
- C300 Convertible · 2.0L · RWD · 9-speed automatic
- C300 Coupe · 2.0L · RWD · 9-speed automatic
Recalls
No recall campaigns were found in NHTSA data at the last check. Last checked October 12, 2026.
Data sources
- EPA fueleconomy.gov · retrieved October 12, 2026 · US Government public data
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
Source checked: October 12, 2026
Data verified: October 12, 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.
Related vehicles
- 2020 Mercedes-Benz C-Class
Gasoline
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 4.0L 8-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI) · Varies by configuration: 4WD, RWD
28 mpg (8.4 L/100 km) to 20 mpg (11.8 L/100 km) - 2022 Mercedes-Benz C-Class
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI; Mild Hybrid) · Varies by configuration: AWD, RWD
29 mpg (8.1 L/100 km) to 22 mpg (10.7 L/100 km)
Frequently asked questions
What engine does the 2021 Mercedes-Benz C-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.
What is the fuel economy of the 2021 Mercedes-Benz C-Class?
Combined fuel economy is 27 mpg (8.7 L/100 km) to 20 mpg (11.8 L/100 km), as published by the source shown in the specification table.
Is the 2021 Mercedes-Benz C-Class front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: 4WD, RWD.
Are there recalls for the 2021 Mercedes-Benz C-Class?
No recall campaigns were found in NHTSA data when we last checked on October 12, 2026. Recall status can change, so confirm with NHTSA or the manufacturer.