Mercedes-Benz GLS 2019–2023 car dimensions: 5207 mm long, 1956 mm wide and 1823 mm high. Unladen weight is 2,480 kg. Braked towing is 3,500 kg.
Dual 12.3-inch screens form the MBUX system with standard Apple CarPlay and Android Auto plus wireless charging. Dual-zone automatic climate control is standard, with four- or five-zone options on some grades. Standard aids include Active Brake Assist for automatic emergency braking, Blind Spot Assist with exit warning, Active Parking Assist and multicamera surround view. Basic cruise control is standard while adaptive cruise and active lane keeping come in the Driver Assistance package.
Cargo volume measures 355 litres behind the third row and expands to 2400 litres with the second and third rows folded flat.
Braked towing capacity reaches 3500 kg with unbraked at 750 kg and Trailer Stability Assist standard. Payload sits at 770 kg. Standard AIRMATIC air suspension provides self-leveling for varying loads.
The cabin offers spacious three-row seating with power-adjustable front seats including memory and power second-row benches or captain's chairs plus power-folding third row. Heated fronts come standard while ventilation, multicontour with massage, and rear heating are available via packages. Dual-zone climate is base with four- or five-zone options, 64-color ambient lighting standard, and air suspension aids a smooth ride for all rows. Optional acoustic glass, panorama roof, fragrance, and Energizing programs add further quiet and wellness.
Premium unleaded fuel required. EPA 16 city/22 highway/18 combined mpg.
ASSYST PLUS system signals Service A/B intervals roughly every 10,000 miles or annually.
No NHTSA or IIHS crash-test rating published for this model.
Standard safety includes Active Brake Assist, Blind Spot Assist with Exit Warning, Surround View camera, PRE-SAFE, ATTENTION ASSIST, and multiple airbags.
The GLS 450 4MATIC uses a 3.0-liter inline-6 turbo with EQ Boost mild hybrid. It runs on premium fuel and posts EPA estimates of 16 mpg city, 22 highway, and 18 combined. Real-world figures vary with load and driving style but stay in that range for the large SUV.
Servicing follows the ASSYST PLUS display that tracks time and distance to call for alternating Service A and Service B. Typical first interval is around 10,000 miles or one year. No complimentary scheduled maintenance is included with the standard four-year/50,000-mile basic and powertrain warranty.
Crash-test ratings from NHTSA and IIHS are not available. The vehicle comes with a full suite of standard active and passive safety gear: radar-based Active Brake Assist with pedestrian detection, Blind Spot Assist including exit warning, multicamera Surround View with parking assist, PRE-SAFE preparation systems, ATTENTION ASSIST driver monitoring, Crosswind Assist, Trailer Stability Assist, and seven airbags providing multi-way coverage. An optional Driver Assistance Package Plus adds adaptive cruise, lane-keeping, and further assists.
Keeping the car involves regular checks on the AIRMATIC air suspension, 4MATIC system, and electronics. Follow the onboard service indicator and use authorized centers for genuine parts to maintain performance and residual value over time.
Length 5207 mm, Width 1956 mm, Height 1823 mm, Wheelbase 3135 mm (GLS 2019–2023)
Sources: manufacturer data, Mercedes-Benz press release and MY2020 GLS brochure, autoevolution/vehiclesizes/automoli/owner manuals.