The Mercedes-Benz GLB combines compact exterior proportions with flexible seating and useful cargo room. Review exterior measurements, passenger dimensions, seating capacity, and cargo specifications for the GLB SUV below.
Measurements are based primarily on the GLB 250 SUV unless otherwise noted. Equipment, drivetrain, wheels, roof rails, and Mercedes-AMG® models may affect individual specifications.
The all-new 2027 Mercedes-Benz GLB uses a longer wheelbase and a redesigned roofline to create additional passenger room. Mercedes-Benz has confirmed that the wheelbase increases by 2.4 inches to 114.1 inches. The GLB will continue to offer seating for up to seven passengers.
Advance model information: Mercedes-Benz has not yet published the complete U.S. dimensions and cargo specifications for the four-cylinder 2027 GLB SUV. Final measurements may change before vehicles arrive at dealerships.
The 2026 GLB 250 measures 182.4 inches long and 72.2 inches wide without the exterior mirrors. Its 111.4-inch wheelbase helps provide usable passenger space while retaining manageable exterior proportions.
The 2025 GLB 250 retains a 111.4-inch wheelbase and a compact 182.4-inch overall length. Standard five-passenger seating can be supplemented by an available third row, while the folding rear seats allow the cargo area to expand when passenger seating is not required.
The 2024 GLB 250 measures 182.4 inches from front to rear and uses a 111.4-inch wheelbase. With five-passenger seating, the cargo area provides approximately 22.0 cubic feet behind the second row and up to 62.0 cubic feet with the rear seats folded.
The 2023 GLB combines a 182.4-inch overall length with a 111.4-inch wheelbase. The GLB 250 provides five standard seats, an available third row, and a second row that can be folded to create additional cargo room.
The 2022 GLB 250 offers the upright shape and adjustable rear seating that help make efficient use of its compact footprint. An optional third row increases seating capacity to seven, while folding the rear seats provides up to approximately 62.0 cubic feet of cargo room.
Without the optional third row, the GLB provides cargo space directly behind the second-row seats. The second row can also be folded when additional room is needed.
The available third row increases seating capacity to seven. Cargo room behind the third row is smaller, but the seats can be folded into the cargo floor when they are not in use.
Maximum cargo capacity is measured with the rear passenger seats folded. Actual usable room can vary based on seating position and installed equipment.
Measurements can help narrow your search, but loading height, seat adjustment, and third-row access are also important. Visit Mercedes-Benz of Birmingham to check passenger space, cargo room, and seating configurations in person.
