Mercedes-Benz C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC | Technical specs, data, fuel consumption, Dimensions

2021 Mercedes-Benz C-class (W206) - Photo 1

Key specs

Mercedes-Benz C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC /Sedan 2021 - 2026/

What is the body type of Mercedes-Benz C-class (W206)?

Sedan, 4 Doors, 5 Seats

What is the fuel consumption and economy of Mercedes-Benz C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

7-7.9 l/100 km
33.6 - 29.8 US mpg
40.4 - 35.8 UK mpg
14.3 - 12.7 km/l

How environmentally friendly is Mercedes-Benz C-class C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

160-180 g/km CO₂
Euro 6d-ISC-FCM

How fast is 2021 C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

250 km/h | 155 mph
0-100 km/h: 6 sec
0-60 mph: 5.7 sec

What is the power output of Mercedes-Benz C-class Sedan 2021 C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

258 Hp, 400 Nm
295 lb.-ft.

What is the engine displacement of Mercedes-Benz C-class Sedan 2021 C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

2.0 l
1999 cm³
121.99 cu. in.

What is the number of cylinders in 2021 Mercedes-Benz C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

4, Inline

What is the drivetrain of Mercedes-Benz C-class (W206) Sedan 2021 C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

All wheel drive (4x4). MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV). The Internal combustion engine (ICE) and the electric motor permanently drive the four wheels of the car with the ability to work only in mixed mode.

What is the length of 2021 Mercedes-Benz C-class Sedan?

4751 mm
187.05 in.

What is the width of 2021 Mercedes-Benz C-class Sedan?

1820 mm
71.65 in.

What is the kerb weight of 2021 Mercedes-Benz C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

1655 kg
3649 lbs.

What is the maximum permissible mass of 2021 Mercedes-Benz C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

2335 kg
5148 lbs.

What is the trunk (boot) capacity of 2021 Mercedes-Benz C-class Sedan?

455 l
16.1 cu. ft.

What is the number of gears in 2021 Mercedes-Benz C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC?

9, automatic transmission G-TRONIC

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General information

Brand

Mercedes-Benz

Model

C-class

Generation

C-class (W206)

Modification (Engine)

C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC

Start of production

2021 year

End of production

August, 2026 year

Powertrain Architecture

MHEV (Mild Hybrid Electric Vehicle, power-assist hybrid, battery-assisted hybrid vehicles, BAHV)

Body type

Sedan

Seats

Doors

Looking for Mercedes-Benz C-class on the used-car market?

Check its history →

Performance specs

Combined fuel consumption (WLTP)

7-7.9 l/100 km 33.6 - 29.8 US mpg
40.4 - 35.8 UK mpg
14.3 - 12.7 km/l

CO₂ emissions (WLTP)

160-180 g/km

Fuel consumption (economy) - urban (NEDC)

10-10.2 l/100 km 23.5 - 23.1 US mpg
28.2 - 27.7 UK mpg
10 - 9.8 km/l

Fuel consumption (economy) - extra urban (NEDC)

5.3-5.7 l/100 km 44.4 - 41.3 US mpg
53.3 - 49.6 UK mpg
18.9 - 17.5 km/l

Fuel consumption (economy) - combined (NEDC)

7-7.3 l/100 km 33.6 - 32.2 US mpg
40.4 - 38.7 UK mpg
14.3 - 13.7 km/l

CO₂ emissions (NEDC)

161-168 g/km

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

6 sec

Acceleration 0 - 62 mph

6 sec

Acceleration 0 - 60 mph (Calculated by Auto-Data.net)

5.7 sec

Maximum speed

250 km/h, Electronically limited 155 mph

Emission standard

Euro 6d-ISC-FCM

Weight-to-power ratio

6.4 kg/Hp, 155.9 Hp/tonne

Weight-to-torque ratio

4.1 kg/Nm, 241.7 Nm/tonne

Electric cars and hybrids specs

Gross battery capacity

0.9 kWh

Battery voltage

48 V

Battery technology

Lithium-ion (Li-Ion)

Electric motor 1

Electric motor power

20 Hp

Electric motor Torque

200 Nm 148 lb.-ft.

Electric motor location

Between the combustion engine and the transmission

Internal combustion engine specs

Power

258 Hp @ 5800 rpm.

Power per litre

129.1 Hp/l

Torque

400 Nm @ 2000-3200 rpm. 295 lb.-ft. @ 2000-3200 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

M 254.920

Engine displacement

1999 cm³ 121.99 cu. in.

Number of cylinders

Engine configuration

Inline

Compression ratio

10:1

Number of valves per cylinder

Fuel injection system

Direct injection

Engine aspiration

Twin-scroll turbocharger, Intercooler

Valvetrain

DOHC

Engine oil capacity

6 l 6.34 US qt | 5.28 UK qt

Engine oil specification

Engine systems

Start & Stop System
Particulate filter

Volume and weights

Kerb Weight

1655 kg 3649 lbs.

Max. weight

2335 kg 5148 lbs.

Max load

680 kg 1499 lbs.

Trunk (boot) space - minimum

455 l 16.1 cu. ft.

Fuel tank capacity

50 l 13.21 US gal | 11 UK gal

Max. roof load

100 kg 220 lbs.

Permitted trailer load with brakes (12%)

1800 kg 3968 lbs.

Permitted trailer load without brakes

750 kg 1653 lbs.

Permitted towbar download

75 kg 165 lbs.

Dimensions

Length

4751 mm 187.05 in.

Width

1820 mm 71.65 in.

Width including mirrors

2033 mm 80.04 in.

Height

1437 mm 56.57 in.

Wheelbase

2865 mm 112.8 in.

Front track

1582-1601 mm 62.28 - 63.03 in.

Rear (Back) track

1594-1613 mm 62.76 - 63.5 in.

Front overhang

800 mm 31.5 in.

Rear overhang

1086 mm 42.76 in.

Drag coefficient (C_d)

0.24

Minimum turning circle (turning diameter)

11.45 m 37.57 ft.

Approach angle

13.7°

Departure angle

14.6°

Ramp-over (brakeover) angle

8.5°

Drivetrain, brakes and suspension specs

Drivetrain Architecture

The Internal combustion engine (ICE) and the electric motor permanently drive the four wheels of the car with the ability to work only in mixed mode.

Drive wheel

All wheel drive (4x4)

Number of gears and type of gearbox

9 gears, automatic transmission G-TRONIC

Front suspension

Coil spring, Independent multi-link suspension, Anti-roll bar

Rear suspension

Independent multi-link spring suspension with anti-roll bar

Front brakes

Ventilated discs

Rear brakes

Ventilated discs

Assisting systems

ABS (Anti-lock braking system)

Steering type

Steering rack and pinion

Power steering

Electric Steering

Tires size

Front wheel tires: 225/50 R17; 225/45 R18; 225/40 R19
Rear wheel tires: 225/50 R17; 245/40 R18; 255/35 R19

Wheel rims size

Front wheel rims: 7J x 17; 7.5J x 18; 7.5J x 19
Rear wheel rims: 7J x 17; 8.5J x 18; 9J x 19

Specs of Mercedes-Benz C-class (W206) C 300 (258 Hp) EQ Boost 4MATIC 9G-TRONIC /2021, 2022, 2023, 2024, 2025, 2026/