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Mercedes-Benz CLS C257 (2018–2021) Specs

Specifications, engines, dimensions and technical data.

Gen 3 2018 - 2023 C257 Coupe
Mercedes-Benz CLS
Engine —
Power —
Fuel —
Gears —
Platform —

Body Style



Mercedes-Benz CLS C257 overview

The Mercedes-Benz CLS (C257) is the 3rd generation of the CLS, built from 2018 to 2021. It is offered as a Coupe with 4 engines (diesel, petrol), from 194 HP to 367 HP. The CLS 450 (367 Hp) EQ Boost 4MATIC 9G-TRONIC accelerates from 0 to 100 km/h in 4.8 s, reaches a top speed of 250 km/h and is 4988 mm long.

How much horsepower does the Mercedes-Benz CLS have?

The Mercedes-Benz CLS (C257) has 194 HP to 367 HP, depending on the engine: 2.0 Om654 (194 HP), 2.9 Om656 (286 HP), 2.0 M264 (299 HP), 3.0 M256 (367 HP).

What engines are available for the Mercedes-Benz CLS?

The Mercedes-Benz CLS is available with 4 engines: 2.0 Om654 (194 HP, diesel), 2.9 Om656 (286 HP, diesel), 2.0 M264 (299 HP, petrol), 3.0 M256 (367 HP, petrol).

What are the dimensions of the Mercedes-Benz CLS?

The Mercedes-Benz CLS is 4988 mm long, 1890 mm wide, 1435 mm tall, with a 2939 mm wheelbase.

How fast is the Mercedes-Benz CLS?

The Mercedes-Benz CLS CLS 450 (367 Hp) EQ Boost 4MATIC 9G-TRONIC goes from 0 to 100 km/h in 4.8 s and has a top speed of 250 km/h.

Advanced Specs

Overview

Generation Mercedes-Benz CLS coupe C257
Year 2018–2021
Platform Mercedes-Benz MRA
Variant CLS 450 (367 Hp) EQ Boost 4MATIC 9G-TRONIC
Body type coupe
Engine type Mild Hybrid
Fuel type Petrol
Seats 5
Doors 4
Emission standard Euro 6

Power & torque

Power 367 HP
Torque 500 Nm

Performance

Top speed 250 km/h
0–100 km/h 4.8 s
0–62 mph 4.8 s

Engine

Engine code M256.930
Displacement 2999 cc
Cylinders 6
Configuration inline
Bore 83.0 mm
Stroke 92.4 mm
Compression ratio 10.5
Valves per cylinder 4
Injection system Direct Injection
Aspiration Twin Scroll Turbo Intercooler
Valvetrain dohc
Oil capacity 8.5 L
Coolant 14.0 L
Engine layout Front Longitudinal
Engine systems Start Stop Systemparticulate Filter

Drivetrain & transmission

Drive All wheel drive (4x4)
Powertrain architecture Mhev Mild Hybrid Electric Vehicle Power Assist Hybrid Battery Assisted Hybrid Vehicles Bahv
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
Gearbox type torque_converter
Gears 9
Gearbox code K9c 9g Tronic
Gearbox manufacturer Mercedes Benz

Dimensions

Length 4988 mm
Width 1890 mm
Height 1435 mm
Wheelbase 2939 mm
Front track 1618 mm
Ground clearance 93 mm

Mass

Kerb weight 1865 kg
Max weight 2585 kg
Max load 720 kg

Consumption & emissions

Fuel combined 7.5 L/100km
Fuel urban 9.8 L/100km
Fuel extra urban 6.1 L/100km
CO₂ (WLTP) 183 g/km
CO₂ emissions 178 g/km
Fuel tank 66.0 L

Chassis & brakes

Front brakes Ventilated Discs
Rear brakes Ventilated Discs
Steering type Steering Rack And Pinion
Power steering Electric Steering
Assisting systems Abs Anti Lock Braking System

Efficiency ratios

Weight-to-power 5.1 kg/Hp, 196.8 Hp/tonne
Weight-to-torque 3.7 kg/Nm, 268.1 Nm/tonne

Electric / hybrid

Battery capacity (gross) 0.9 kWh
Electric motor power 22 HP
Electric motor torque 250 Nm

Other

Start Of Production 2018
End Of Production 2021
Front Overhang 888
Rear Overhang 1161

Performance

Engine speed (1k/rpm)

Figures from catalog data; real-world values may differ.

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