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Mercedes-Benz GL / GLS X167 (GLS) (2019–present): specs

The Mercedes-Benz GL / GLS X167 (GLS) is a crossover SUV in production since 2019. It is the 3rd of 3 generations of the GL / GLS in our catalog.

Engines: 3.0 Turbo (GLS450) (M256), 367 hp. Transmission: automatic; all-wheel drive. Length 5,207 mm, wheelbase 3,135 mm, fuel tank 90 L.

Facelift: 2023. Sold in Kazakhstan, Russia, Kyrgyzstan.

Specifications

Production years2019–present
Bodycrossover SUV
Engine3.0 Turbo (GLS450)
Engine codeM256
Displacement3 L
Fuelpetrol
Power367 hp
Torque500 Nm
Transmissionautomatic, 9-speed
Gearbox model9AT 9G-Tronic
Driveall-wheel drive
Length5,207 mm
Width1,956 mm
Height1,823 mm
Wheelbase3,135 mm
Fuel tank90 L

Vehicle tax in Kazakhstan

EngineUnder 10 years
3.0 Turbo (GLS450)≈ 42,425 ₸

Approximate annual vehicle tax for 2026 (due by 1 April 2027), based on the 2026 MRP of 4,325 ₸. The exact amount depends on the engine displacement in the registration certificate and the year of manufacture. Exact calculator (in Russian) →

7 seats

Pros and cons

Pros

  • Powerful versions: up to 367 hp
  • All-wheel-drive versions available
  • Conventional automatic, no robotized gearbox or CVT
  • Large fuel tank: 90 L

Cons

  • Engine Mercedes M254/M256/M276/M278/M176: complex engines, expensive to repair
  • Gearbox Mercedes 9G-Tronic: jerky shifts when worn, software updates

Common problems and what to check

Engine: Mercedes M254/M256/M276/M278/M176

  • engines are complex and expensive to repair; oil leaks and chain issues occur on M276/M278 at high mileage

What to check when buying: dealer service history; chain noise.

Tip: Service with specialists, oil MB 229.5 or higher.

Gearbox: Mercedes 9G-Tronic

  • jerks when worn, software updates

What to check when buying: shift smoothness.

Tip: Oil every 60–80k km.

Based on owner and workshop reports. A specific car may differ — get a pre-purchase inspection.

Tyre and wheel sizes

Factory sizes: tyres 275/55R19, 275/50R20, 275/45R21, 285/45R22; bolt pattern 5x112. All sizes, offsets and centre bore →

Compare with rivals

FAQ

What engine does the Mercedes-Benz GL / GLS X167 (GLS) have?

3.0 Turbo (GLS450), code M256, 367 hp, 500 Nm.

What transmission does it have?

automatic (9AT 9G-Tronic).

What are the ground clearance and fuel tank size?

Fuel tank 90 l.

How much is the vehicle tax on the Mercedes-Benz GL / GLS X167 (GLS) in Kazakhstan?

For 2026, about 42,425 ₸ for a car under 10 years old (base engine). Cars aged 10–20 years get a 0.7 coefficient, cars over 20 years a 0.5 coefficient.

Other generations

All makes and models →