Mercedes-Benz GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC | Technical specs, data, fuel consumption, Dimensions

2027 Mercedes-Benz GLS (X167, facelift 2026) - Photo 1

Key specs

Mercedes-Benz GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC /SUV 2026 - /

What is the body type of Mercedes-Benz GLS (X167, facelift 2026)?

SUV, 5 Doors, 7 Seats

What is the fuel consumption and economy of Mercedes-Benz GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

9.9-10.9 l/100 km
23.8 - 21.6 US mpg
28.5 - 25.9 UK mpg
10.1 - 9.2 km/l

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

225-248 g/km CO₂
Euro 6e-bis

How fast is 2026 GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

250 km/h | 155 mph
0-100 km/h: 5.6 sec
0-60 mph: 5.3 sec

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

381 Hp, 560 Nm
413 lb.-ft.

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

6, Inline

What is the drivetrain of Mercedes-Benz GLS (X167, facelift 2026) SUV 2026 GLS 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 GLS SUV?

5217 mm
205.39 in.

What is the width of 2026 Mercedes-Benz GLS SUV?

1956 mm
77.01 in.

What is the kerb weight of 2026 Mercedes-Benz GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

2505 kg
5523 lbs.

What is the maximum permissible mass of 2026 Mercedes-Benz GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

3390 kg
7474 lbs.

What is the trunk (boot) capacity of 2026 Mercedes-Benz GLS SUV?

355 - 2400 l
12.5 - 84.8 cu. ft.

What is the number of gears in What is the gearbox type of 2026 Mercedes-Benz GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC?

9, automatic transmission G-TRONIC

Mercedes-Benz
- Mercedes-Benz GLS
  - GLS (X167, facelift 2026)
    - GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC
    - GLS 450d (367 Hp) EQ Boost 4MATIC 9G-TRONIC
    - GLS 350d (313 Hp) EQ Boost 4MATIC 9G-TRONIC

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General information

Brand

Mercedes-Benz

Model

GLS

Generation

GLS (X167, facelift 2026)

Modification (Engine)

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

Start of production

May, 2026 year

Powertrain Architecture

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

Body type

SUV

Seats

Doors

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Performance specs

Fuel consumption at Low speed (WLTP)

14.4 l/100 km 16.3 US mpg
19.6 UK mpg
6.9 km/l

Fuel consumption at Medium speed (WLTP)

9.6 l/100 km 24.5 US mpg
29.4 UK mpg
10.4 km/l

Fuel consumption at high speed (WLTP)

8.4 l/100 km 28 US mpg
33.6 UK mpg
11.9 km/l

Fuel consumption at very high speed (WLTP)

9.8 l/100 km 24 US mpg
28.8 UK mpg
10.2 km/l

Combined fuel consumption (WLTP)

9.9-10.9 l/100 km 23.8 - 21.6 US mpg
28.5 - 25.9 UK mpg
10.1 - 9.2 km/l

CO₂ emissions (WLTP)

225-248 g/km

Fuel Type

Petrol (Gasoline)

Acceleration 0 - 100 km/h

5.6 sec

Acceleration 0 - 62 mph

5.6 sec

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

5.3 sec

Maximum speed

250 km/h, Electronically limited 155 mph

Emission standard

Euro 6e-bis

Weight-to-power ratio

6.6 kg/Hp, 152.1 Hp/tonne

Weight-to-torque ratio

4.5 kg/Nm, 223.6 Nm/tonne

Electric cars and hybrids 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 256.830

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

2505 kg 5523 lbs.

Max. weight

3390 kg 7474 lbs.

Max load

885 kg 1951 lbs.

Trunk (boot) space - minimum

355 l 12.5 cu. ft.

Trunk (boot) space - maximum

2400 l 84.8 cu. ft.

Fuel tank capacity

90 l 23.78 US gal | 19.8 UK gal

Max. roof load

100 kg 220 lbs.

Permitted trailer load with brakes (12%)

3500 kg 7716 lbs.

Permitted trailer load without brakes

750 kg 1653 lbs.

Permitted towbar download

140 kg 309 lbs.

Dimensions

Length

5217 mm 205.39 in.

Width

1956 mm 77.01 in.

Width with mirrors folded

2024 mm 79.69 in.

Width including mirrors

2164 mm 85.2 in.

Height

1823 mm 71.77 in.

Wheelbase

3135 mm 123.43 in.

Ride height (ground clearance)

215 mm 8.46 in.

Minimum turning circle (turning diameter)

12.52 m 41.08 ft.

Approach angle

23°

Departure angle

21°

Ramp-over (brakeover) angle

16°

Climb angle

45°

Wading depth

600 mm 23.62 in.

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

Double wishbone, Air suspension

Rear suspension

Independent multi-link suspension, Air suspension

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: 275/50 R20; 275/45 R21
Rear wheel tires: 275/50 R20; 315/40 R21

Wheel rims size

Front wheel rims: 8.5J x 20; 10J x 21
Rear wheel rims: 8.5J x 20; 11J x 21

Specs of Mercedes-Benz GLS (X167, facelift 2026) GLS 450 (381 Hp) EQ Boost 4MATIC 9G-TRONIC /2026/