Mercedes-Benz S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC | Technical specs, data, fuel consumption, Dimensions

2027 Mercedes-Benz S-class Long (V223, facelift 2026) - Photo 1

Key specs

Mercedes-Benz S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC /Sedan 2026 - /

What is the body type of Mercedes-Benz S-class Long (V223, facelift 2026)?

Sedan, 4 Doors, 4-5 Seats

What is the fuel consumption and economy of Mercedes-Benz S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

8.2-9 l/100 km
28.7 - 26.1 US mpg
34.4 - 31.4 UK mpg
12.2 - 11.1 km/l

How environmentally friendly is Mercedes-Benz S-class S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

186-206 g/km CO₂
Euro 6e-bis

How fast is 2026 S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

250 km/h | 155 mph
0-100 km/h: 4.9 sec
0-60 mph: 4.7 sec

What is the power output of Mercedes-Benz S-class Sedan 2026 S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

381 Hp, 560 Nm
413 lb.-ft.

What is the engine displacement of Mercedes-Benz S-class Sedan 2026 S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

3.0 l
2999 cm³
183.01 cu. in.

What is the number of cylinders in 2026 Mercedes-Benz S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

6, Inline

What is the drivetrain of Mercedes-Benz S-class Long (V223, facelift 2026) Sedan 2026 S 450 (381 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 2026 Mercedes-Benz S-class Sedan?

5304 mm
208.82 in.

What is the width of 2026 Mercedes-Benz S-class Sedan?

1921 mm
75.63 in.

What is the kerb weight of 2026 Mercedes-Benz S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

2110 kg
4652 lbs.

What is the maximum permissible mass of 2026 Mercedes-Benz S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

2845 kg
6272 lbs.

What is the trunk (boot) capacity of 2026 Mercedes-Benz S-class Sedan?

530 l
18.7 cu. ft.

What are the number of gears and the gearbox type of 2026 Mercedes-Benz S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

9, automatic transmission G-TRONIC

Mercedes-Benz
- Mercedes-Benz S-class
  - S-class Long (V223, facelift 2026)
    - S 580e (585 Hp) EQ Hybrid 4MATIC 9G-TRONIC
    - S 580 V8 (537 Hp) EQ Boost 4MATIC 9G-TRONIC
    - S 500 (449 Hp) EQ Boost 4MATIC 9G-TRONIC
    - S 450e (435 Hp) EQ Hybrid 9G-TRONIC
    - S 450d (367 Hp) EQ Boost 4MATIC 9G-TRONIC
    - S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC
    - S 350d (313 Hp) EQ Boost 4MATIC 9G-TRONIC

Compare

General information

Brand

Mercedes-Benz

Model

S-class

Generation

S-class Long (V223, facelift 2026)

Modification (Engine)

S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC

Start of production

January, 2026

Powertrain Architecture

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

Body type

Sedan

Seats

4-5

Doors

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Performance specs

Combined fuel consumption (WLTP)

8.2-9 l/100 km 28.7 - 26.1 US mpg
34.4 - 31.4 UK mpg
12.2 - 11.1 km/l

CO₂ emissions (WLTP)

186-206 g/km

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

4.9 sec

Acceleration 0 - 62 mph

4.9 sec

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

4.7 sec

Maximum speed

250 km/h, Electronically limited 155 mph

Emission standard

Euro 6e-bis

Weight-to-power ratio

5.5 kg/Hp, 180.6 Hp/tonne

Weight-to-torque ratio

3.8 kg/Nm, 265.4 Nm/tonne

Electric and hybrid car specs

Battery voltage

48 V

Battery technology

Lithium-ion (Li-Ion)

Electric motor 1

Electric motor power

23 Hp

Electric motor Torque

205 Nm 151 lb.-ft.

Electric motor location

Between the combustion engine and the transmission

Internal combustion engine specs

Power

381 Hp @ 5000-6100 rpm.

Power per litre

127 Hp/l

Torque

560 Nm @ 2000-4500 rpm. 413 lb.-ft. @ 2000-4500 rpm.

Engine layout

Front, Longitudinal

Engine Model/Code

M 256 Evo

Engine displacement

2999 cm³ 183.01 cu. in.

Number of cylinders

Engine configuration

Inline

Cylinder Bore

83 mm 3.27 in.

Piston Stroke

92.35 mm 3.64 in.

Compression ratio

10.5:1

Number of valves per cylinder

Fuel injection system

Direct injection

Engine aspiration

Turbocharger and electrically driven compressor, Intercooler

Valvetrain

DOHC, CAMTRONIC

Engine systems

Start & Stop System
Particulate filter

Volume and weights

Kerb Weight

2110 kg 4652 lbs.

Max. weight

2845 kg 6272 lbs.

Max load

735 kg 1620 lbs.

Trunk (boot) space - minimum

530 l 18.7 cu. ft.

Fuel tank capacity

76 l 20.08 US gal | 16.72 UK gal

Permitted trailer load with brakes (12%)

2100 kg 4630 lbs.

Permitted trailer load without brakes

750 kg 1653 lbs.

Dimensions

Length

5304 mm 208.82 in.

Width

1921 mm 75.63 in.

Height

1503 mm 59.17 in.

Wheelbase

3216 mm 126.61 in.

Front track

1660 mm 65.35 in.

Rear (Back) track

1688 mm 66.46 in.

Minimum turning circle (turning diameter)

10.8-11.9 m 35.43 - 39.04 ft.

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

Independent multi-link suspension, Air suspension

Rear suspension

Independent multi-link suspension, Air suspension

Front brakes

Ventilated discs, 370 mm

Rear brakes

Ventilated discs, 320 mm

Assisting systems

ABS (Anti-lock braking system)
4-wheel steering (4WS, active rear steering)

Steering type

Steering rack and pinion

Power steering

Electric Steering

Tire size

235/55 R18; 255/45 R19

Wheel rim size

8J x 18; 8.5J x 19

Specs of Mercedes-Benz S-class Long (V223, facelift 2026) S 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC /2026/