Mercedes-Benz CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC | Technical specs, data, fuel consumption, Dimensions

2018 Mercedes-Benz CLS coupe (C257) - Photo 1

Key specs

Mercedes-Benz CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC /Coupe 2018 - 2020/

What is the body type of Mercedes-Benz CLS coupe (C257)?

Coupe, 4 Doors, 5 Seats

What is the fuel consumption and economy of Mercedes-Benz CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

6.8-7.5 l/100 km
34.6 - 31.4 US mpg
41.5 - 37.7 UK mpg
14.7 - 13.3 km/l

How environmentally friendly is Mercedes-Benz CLS CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

178-197 g/km CO₂
Euro 6d-TEMP-EVAP-ISC

How fast is 2018 CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

250 km/h | 155 mph
0-100 km/h: 5 sec
0-60 mph: 4.8 sec

What is the power output of Mercedes-Benz CLS Coupe 2018 CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

340 Hp, 700 Nm
516 lb.-ft.

What is the engine displacement of Mercedes-Benz CLS Coupe 2018 CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

2.9 l
2925 cm³
178.49 cu. in.

What is the number of cylinders in 2018 Mercedes-Benz CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

6, Inline

What is the drivetrain of Mercedes-Benz CLS coupe (C257) Coupe 2018 CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

All wheel drive (4x4). Internal Combustion engine. The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle.

What is the length of 2018 Mercedes-Benz CLS Coupe?

4988 mm
196.38 in.

What is the width of 2018 Mercedes-Benz CLS Coupe?

1890 mm
74.41 in.

What is the kerb weight of 2018 Mercedes-Benz CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

1860-1869 kg
4101 - 4120 lbs.

What is the maximum permissible mass of 2018 Mercedes-Benz CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

2545-2554 kg
5611 - 5631 lbs.

What is the trunk (boot) capacity of 2018 Mercedes-Benz CLS Coupe?

520 l
18.4 cu. ft.

What are the number of gears and the gearbox type of 2018 Mercedes-Benz CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC?

9, automatic transmission G-TRONIC

Mercedes-Benz
- Mercedes-Benz CLS
  - CLS coupe (C257)

Compare

General information

Brand

Mercedes-Benz

Model

CLS

Generation

CLS coupe (C257)

Modification (Engine)

CLS 400d (340 Hp) 4MATIC 9G-TRONIC

Start of production

March, 2018

End of production

June, 2020

Powertrain Architecture

Internal Combustion engine

Body type

Coupe

Seats

Doors

Looking for Mercedes-Benz CLS on the used-car market?

Check its history →

Performance specs

Combined fuel consumption (WLTP)

6.8-7.5 l/100 km 34.6 - 31.4 US mpg
41.5 - 37.7 UK mpg
14.7 - 13.3 km/l

CO₂ emissions (WLTP)

178-197 g/km

Fuel consumption (economy) - urban (NEDC)

6.8-7.1 l/100 km 34.6 - 33.1 US mpg
41.5 - 39.8 UK mpg
14.7 - 14.1 km/l

Fuel consumption (economy) - extra urban (NEDC)

5.1-5.4 l/100 km 46.1 - 43.6 US mpg
55.4 - 52.3 UK mpg
19.6 - 18.5 km/l

Fuel consumption (economy) - combined (NEDC)

5.8-6 l/100 km 40.6 - 39.2 US mpg
48.7 - 47.1 UK mpg
17.2 - 16.7 km/l

CO₂ emissions (NEDC)

152-159 g/km

Fuel Type

Diesel

Acceleration 0 - 100 km/h

5 sec

Acceleration 0 - 62 mph

5 sec

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

4.8 sec

Maximum speed

250 km/h, Electronically limited 155 mph

Emission standard

Euro 6d-TEMP-EVAP-ISC

Weight-to-power ratio

5.5 kg/Hp, 182.8 Hp/tonne

Weight-to-torque ratio

2.7 kg/Nm, 376.3 Nm/tonne

Engine specs

Power

340 Hp @ 4400 rpm.

Power per litre

116.2 Hp/l

Torque

700 Nm @ 1200-3200 rpm. 516 lb.-ft. @ 1200-3200 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

OM 656.929

Engine displacement

2925 cm³ 178.49 cu. in.

Number of cylinders

Engine configuration

Inline

Cylinder Bore

82 mm 3.23 in.

Piston Stroke

92.3 mm 3.63 in.

Compression ratio

15.5:1

Number of valves per cylinder

Fuel injection system

Diesel Commonrail

Engine aspiration

Bi-Turbo, Intercooler

Valvetrain

DOHC, CAMTRONIC

Engine oil capacity

8.5 l 8.98 US qt | 7.48 UK qt

Engine oil specification

Coolant

13 l 13.74 US qt | 11.44 UK qt

Engine systems

Start & Stop System
Particulate filter

Volume and weights

Kerb Weight

1860-1869 kg 4101 - 4120 lbs.

Max. weight

2545-2554 kg 5611 - 5631 lbs.

Max load

685 kg 1510 lbs.

Trunk (boot) space - minimum

520 l 18.4 cu. ft.

Fuel tank capacity

50 l 13.21 US gal | 11 UK gal

AdBlue tank

23.5 l 6.21 US gal | 5.17 UK gal

Max. roof load

75 kg 165 lbs.

Permitted trailer load with brakes (12%)

1900 kg 4189 lbs.

Permitted trailer load without brakes

750 kg 1653 lbs.

Permitted towbar download

76 kg 168 lbs.

Dimensions

Length

4988 mm 196.38 in.

Width

1890 mm 74.41 in.

Width including mirrors

2069 mm 81.46 in.

Height

1435 mm 56.5 in.

Wheelbase

2939 mm 115.71 in.

Front track

1618-1619 mm 63.7 - 63.74 in.

Rear (Back) track

1620-1634 mm 63.78 - 64.33 in.

Front overhang

888 mm 34.96 in.

Rear overhang

1161 mm 45.71 in.

Drag coefficient (C_d)

0.26

Minimum turning circle (turning diameter)

11.9 m 39.04 ft.

Approach angle

13.4°

Departure angle

12.2°

Ramp-over (breakover) angle

8.6°

Drivetrain, brakes and suspension specs

Drivetrain Architecture

The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle.

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, Air suspension - optional

Rear suspension

Independent multi-link spring suspension with anti-roll bar, Air suspension - optional

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

Tire size

Front wheel tires: 245/45 R18; 245/40 R19; 245/35 R20
Rear wheel tires: 275/40 R18; 275/35 R19; 275/30 R20

Wheel rim size

Front wheel rims: 8J x 18; 8J x 19; 8J x 20
Rear wheel rims: 9J x 18; 9J x 19; 9J x 20

Specs of Mercedes-Benz CLS coupe (C257) CLS 400d (340 Hp) 4MATIC 9G-TRONIC /2018, 2019, 2020/