2021 Mercedes-Benz C-Class Specifications Overview

The 2021 Mercedes-Benz C-Class is certified across 18 configurations with 2L 4-Cylinder Engine, 3L 6-Cylinder Engine, 4L 8-Cylinder Engine powertrain options. Available drivetrain layouts include Rear-Wheel Drive, 4-Wheel Drive paired with Automatic 9-spd. EPA classified under the Subcompact Cars / Compact Cars / Small Sport Utility Vehicle 2WD / Small Sport Utility Vehicle 4WD size category. Platform architecture belongs to the 4th Generation (W205) vehicle family.

Engine / Motors
3 Options
2L 4-Cylinder Engine, 3L 6-Cylinder Engine...
Drivetrain Options
2 Drivetrains
Rear-Wheel Drive, 4-Wheel Drive
Transmissions
Automatic 9-spd
Automatic 9-spd
Vehicle Classification
Subcompact Cars
Official EPA regulatory class

Certified Powertrain & Transmission Configurations (18)

Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation

Configuration / Model Engine & Displacement Cylinders Induction / Tech Transmission Drivetrain Fuel System
C300 Coupe Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
C300 4matic Compact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
C300 Compact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
C300 4matic Coupe Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
C300 Convertible Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
GLC300 Small Sport Utility Vehicle 2WD 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
C300 4matic Convertible Subcompact Cars 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
GLC300 4matic Coupe Small Sport Utility Vehicle 4WD 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
GLC300 4matic Small Sport Utility Vehicle 4WD 2L 4-Cylinder Engine 4 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
AMG C43 4matic Coupe Subcompact Cars 3L 6-Cylinder Engine 6 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
AMG C43 4matic Convertible Subcompact Cars 3L 6-Cylinder Engine 6 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
AMG C63 Compact Cars 4L 8-Cylinder Engine 8 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
AMG C63 S Compact Cars 4L 8-Cylinder Engine 8 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
AMG C43 4matic Compact Cars 3L 6-Cylinder Engine 6 Naturally Aspirated Automatic 9-spd 4-Wheel Drive Premium
AMG C63 S Convertible Subcompact Cars 4L 8-Cylinder Engine 8 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
AMG C63 Convertible Subcompact Cars 4L 8-Cylinder Engine 8 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
AMG C63 S Coupe Subcompact Cars 4L 8-Cylinder Engine 8 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
AMG C63 Coupe Subcompact Cars 4L 8-Cylinder Engine 8 Naturally Aspirated Automatic 9-spd Rear-Wheel Drive Premium
EPA Certification Standards: Powertrain and transmission specifications represent official laboratory configuration records filed under 40 CFR Part 600. For detailed fuel economy ratings, electric range, and annual fuel costs, explore the 2021 Mercedes-Benz C-Class MPG & Range Report.

Regulatory Classification & Safety Architecture

Federal classification standards and standard active driver assistance system capabilities

EPA Regulatory Size Class

  • Subcompact Cars
  • Compact Cars
  • Small Sport Utility Vehicle 2WD
  • Small Sport Utility Vehicle 4WD

NHTSA NCAP Body Formats

  • 2021 Mercedes-Benz C-Class 2 DR 4WD
  • 2021 Mercedes-Benz C-Class 4 DR 4WD
  • 2021 Mercedes-Benz C-Class Cabriolet C 4WD
  • 2021 Mercedes-Benz C-Class 2 DR RWD
  • 2021 Mercedes-Benz C-Class 4 DR RWD
  • 2021 Mercedes-Benz C-Class Cabriolet C RWD

Active Safety Technology

Evaluated under federal safety compliance standards.

Related Official Reports for 2021 Mercedes-Benz C-Class

Cross-reference fuel economy, safety ratings, owner defect complaints, and recall notices

Official US Government Data Provenance

Powertrain, transmission, drivetrain, and regulatory classification specifications on this page are derived directly from the United States Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) official laboratory certification registries.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.