Mercedes-Benz C-Class W206
Produced from 2021–present, the Mercedes-Benz C-Class W206 (W206) is catalogued here with 3 powertrains. 3 petrol, spanning 204 to 408 hp. The quickest version, the AMG C 43 4MATIC, covers 0–100 km/h in 4.6 seconds. For fuel costs, the C 200 mild-hybrid leads the range at 40 MPG (EPA combined). Externally it measures 4751 × 1820 × 1438 mm on a 2865 mm wheelbase. Full engine, transmission, performance, economy and weight data is compared trim-by-trim below, with EPA and NHTSA sources cited at the bottom of the page.
Generation Quick Facts: The Mercedes-Benz C-Class W206 was manufactured from 2021 – present (2021, 2022, 2023, 2024, 2025, 2026 model years) as a sedan. Across 3 verified powertrains, power outputs range from 204 to 408 hp, with top fuel economy reaching 40.0 MPG combined (C 200 mild-hybrid).
Power range
204–408 hp
Quickest 0–100
4.6 s
Best combined
40 MPG
Length
4.75 m
01Decision support
Which C-Class W206 suits you?
Daily driver · least fuel
C 200 mild-hybrid
40.0 MPG combined
It burns up to 35% less fuel per mile than the thirstiest C-Class W206.
Performance · quickest
AMG C 43 4MATIC
0–100 km/h in 4.6s · 408 hp
Genuinely quick, with hot-hatch pace from a family body.
Sweet spot · balance
C 300 mild-hybrid
258 hp · 34.0 MPG
Sits mid-range for power without paying the fuel or price tax of the flagship trim. Usually the best value on the used market.
023 powertrains (3 petrol)
Full specifications
| Specification | C 200 mild-hybridPetrol | C 300 mild-hybridPetrol | AMG C 43 4MATICPetrol |
|---|---|---|---|
| Engine | |||
| Engine code | M254 | M254 | M139 |
| Fuel type | Petrol | Petrol | Petrol |
| Displacement | 1.5L (1,496 cc) | 2.0L (1,999 cc) | 2.0L (1,991 cc) |
| Aspiration | Turbocharged | Turbocharged | Turbocharged |
| Cylinders | I4 + ISG | I4 + ISG | I4 e-turbo |
| Power & Performance | |||
| Power | 204 hp / 152 kW | 258 hp / 192 kW | 408 hp / 304 kW |
| Torque | 300 Nm / 221 lb-ft | 400 Nm / 295 lb-ft | 500 Nm / 369 lb-ft |
| 0–100 km/h | 7.3 s | 6.0 s | 4.6 s |
| Top speed | 246 km/h (153 mph) | 250 km/h (155 mph) | 250 km/h (155 mph) |
| Transmission & Drivetrain | |||
| Transmission | Automatic | Automatic | Automatic |
| Gears | 9 | 9 | 9 |
| Drivetrain | RWD | RWD | AWD |
| Fuel Economy & Emissions | |||
| City | 33 MPG (7.1 L/100km) | 29 MPG (8.1 L/100km) | 22 MPG (10.7 L/100km) |
| Highway | 46 MPG (5.1 L/100km) | 40 MPG (5.9 L/100km) | 31 MPG (7.6 L/100km) |
| Combined | 40 MPG (5.9 L/100km) | 34 MPG (6.9 L/100km) | 26 MPG (9.0 L/100km) |
| Electric range | — | — | — |
| Battery | — | — | — |
| CO₂ emissions | 142 g/km | 152 g/km | 192 g/km |
| Weight & Body | |||
| Curb weight | 1,665 kg (3,671 lbs) | 1,700 kg (3,748 lbs) | 1,845 kg (4,068 lbs) |
| Seats | 5 | 5 | 5 |
| Doors | 4 | 4 | 4 |
| Model years | 2021–present | 2021–present | 2021–present |
03Then vs now
W206 vs. previous generation
| Metric | Change vs. W205 |
|---|---|
| Peak power | +41 hp |
| Quickest 0–100 km/h | -0.1 s |
| Best combined MPG | +3 MPG |
| Average curb weight | +167 kg |
Why this matters
Versus the W205, the W206 is clearly more efficient, noticeably more powerful, heavier, mostly safety and equipment mass. Used-car shoppers should weigh these shifts against the W205's typically lower asking prices.
View the W205 spec sheet0Exterior
Dimensions
Length
4,751 mm
187.0 in
Width
1,820 mm
71.7 in
Height
1,438 mm
56.6 in
Wheelbase
2,865 mm
112.8 in
Curb weight spans 1,665–1,845 kg depending on powertrain. Battery and AWD hardware add the most mass.
05Long-tail answers
C-Class W206: questions answered
What engines and trims are available on the Mercedes-Benz C-Class W206?
The Mercedes-Benz C-Class W206 lineup offers 3 petrol: C 200 mild-hybrid (204 hp), C 300 mild-hybrid (258 hp), AMG C 43 4MATIC (408 hp).
How quick is the Mercedes-Benz C-Class W206 from 0 to 100 km/h?
The fastest trim, the AMG C 43 4MATIC, accelerates from 0 to 100 km/h in 4.6s, reaching a top speed of 250 km/h (155 mph) with the C 300 mild-hybrid.
What is the most fuel-efficient Mercedes-Benz C-Class W206 trim?
The C 200 mild-hybrid delivers the highest fuel economy at 40.0 MPG (EPA combined). Across the 3 powertrains, fuel economy spans 26–40 combined MPG.
How does the W206 compare to the previous Mercedes-Benz C-Class?
Against the W205 predecessor it replaces, the W206 is clearly more efficient, noticeably more powerful, heavier, mostly safety and equipment mass. Side-by-side technical specs are detailed in the comparison table below.
What model years are included in the Mercedes-Benz C-Class W206?
The Mercedes-Benz C-Class W206 was produced from 2021 – present, spanning the following model years: 2021, 2022, 2023, 2024, 2025, 2026.
What are the exterior dimensions of the Mercedes-Benz C-Class W206?
4751 mm long, 1820 mm wide, 1438 mm tall on a 2865 mm wheelbase (187.0 in overall length).
Sources for this page
- EPA fuel-economy records: Mercedes-Benz C-ClassCertification data, 2021–2026
- NHTSA vehicle file: recalls, complaints and investigations2021 Mercedes-Benz C-Class, official safety record
- NHTSA vPIC vehicle databasePowers our VIN decoder, the federal manufacturer registry
- Mercedes-Benz official: data sheets and archiveManufacturer-published specifications
Figures on this page are compiled from the sources above and cross-checked against manufacturer data sheets. US-market EPA cycle where noted; European WLTP values are measured differently and are not directly comparable.
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