Mercedes-Benz GLS-Class vs Mercedes-Benz GLB-Class Compare price, expert/user reviews, mpg, engines, safety, cargo capacity and other specs at a glance.

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2025 Mercedes-Benz GLS-Class 3.0 GLS 450 AMG Line Premium Plus
Photo of 2020 model year shown

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2025 Mercedes-Benz GLB-Class 1.3 GLB200 AMG Line Executive
Photo of 2019 model year shown

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Specs

2025 Mercedes-Benz GLS-Class
3.0 GLS 450 AMG Line Premium Plus
2025 Mercedes-Benz GLB-Class
1.3 GLB200 AMG Line Executive
Powertrain 9-speed Automatic 7-speed Automatic
Drivetrain
4X4
FWD
Fuel economy, city -- --
Fuel economy, motorway -- --
Fuel tank volume 341 L 197 L
Engine
Fuel type
Petrol
Petrol
Power
280 kW
120 kW
Torque
678 N-m @ 5,000 RPM
339 N-m @ 4,000 RPM
Cylinders
6 cylinders
4 cylinders
Engine size
2,999 cc
1,332 cc
Interior
Maximum seating -- 7 seats
Front legroom -- --
Rear legroom -- --
Exterior
Length 132.31 m 117.7 m
Width 54.79 m 51.31 m
Height 46.3 m 42.98 m
Wheelbase 79.63 m 71.86 m

Available Options

2025 Mercedes-Benz GLS-Class
3.0 GLS 450 AMG Line Premium Plus
2025 Mercedes-Benz GLB-Class
1.3 GLB200 AMG Line Executive

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