Mercedes-Benz GLB-Class Dimensions & Size

How much cargo space and room does a 2026 Mercedes-Benz GLB-Class really have?

The 2026 Mercedes-Benz GLB-Class measures 182.3 in long, 72 in wide, 65.4 in tall, on a 111.4 in wheelbase, with a curb weight of about 3,869 lbs.

Looking for weight? See the Mercedes-Benz GLB-Class curb weight page — this page covers length, width, height and wheelbase.

Latest model year (2026):

The Mercedes-Benz GLB-Class measures 182.3 in long, 72 in wide and 65.4 in tall, on a 111.4 in wheelbase, weighing about 3,869 lbs.

VerifiedNHTSA Canadian Vehicle Specifications · Verified September 18, 2026

Overview MPG Engine Specs Fuel Cost Transmission Drivetrain Vehicle Class Maintenance Dimensions Curb Weight Safety

Mercedes-Benz GLB-Class Dimensions — All Years

Year	Body / Variant	Length	Width	Height	Wheelbase	Curb Weight
2026Config 1 of 2	GLB CLASS AMG 35 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,869 lbs
2026Config 2 of 2	GLB CLASS 250 4MATIC 4DR SUV	182.3 in	72 in	66.5 in	111.4 in	3,759 lbs
2025Config 1 of 2	GLB CLASS AMG 35 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,869 lbs
2025Config 2 of 2	GLB CLASS 250 4MATIC 4DR SUV	182.3 in	72 in	66.5 in	111.4 in	3,759 lbs
2024Config 1 of 2	GLB CLASS AMG 35 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,869 lbs
2024Config 2 of 2	GLB CLASS 250 4MATIC 4DR SUV	182.3 in	72 in	66.5 in	111.4 in	3,759 lbs
2023Config 1 of 2	GLB CLASS AMG 35 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,869 lbs
2023Config 2 of 2	GLB CLASS 250 4MATIC 4DR SUV	182.3 in	72 in	66.5 in	111.4 in	3,759 lbs
2022Config 1 of 2	GLB CLASS AMG 35 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,869 lbs
2022Config 2 of 2	GLB CLASS 250 4MATIC 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,759 lbs
2021Config 1 of 2	GLB CLASS AMG 35 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,869 lbs
2021Config 2 of 2	GLB CLASS 250 4MATIC 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,759 lbs
2020	GLB CLASS 4DR SUV	182.3 in	72 in	65.4 in	111.4 in	3,759 lbs

Dimensions sourced from the NHTSA Canadian Vehicle Specifications database. Figures are measured per body style and can vary slightly by trim, wheel package, and suspension.

Mercedes-Benz GLB-Class data analysis

How Mercedes-Benz GLB-Class overall length varies

Across 13 configurations recorded for the 2020 through 2026 Mercedes-Benz GLB-Class, overall length runs from 182 inches to 182 inches. The strongest figure belongs to the 2020 Mercedes-Benz GLB-Class (GLB CLASS 4DR SUV) at 182 inches, and the weakest to the 2026 car (GLB CLASS AMG 35 4DR SUV) at 182 inches — a spread of 0%. The narrow spread means any year of the Mercedes-Benz GLB-Class in this table behaves much like the others, so you can shop on price, condition and mileage rather than chasing a particular model year.

What changed for 2026

Average overall length for the 2026 Mercedes-Benz GLB-Class is 182 inches, against 182 inches for the 2025 car — it held flat. A carry-over year like this usually means no powertrain or structural change, so an older example is the cheaper way into the same specification.

How to read this Mercedes-Benz GLB-Class data

This page lists every 2020 through 2026 Mercedes-Benz GLB-Class record we hold for this measurement — 13 rows in total, one per configuration and model year rather than a single headline figure. Figures are published as the source agency records them: we do not round, average or interpolate missing years, and a year that is absent from the table is a year with no published measurement rather than a zero. Where a manufacturer offered several drivetrains or body styles in the same year, each appears on its own row, because those variants rarely share the same numbers.

Configurations behind these Mercedes-Benz GLB-Class numbers

The 2020 through 2026 Mercedes-Benz GLB-Class entries here cover the variants GLB CLASS AMG 35 4DR SUV, GLB CLASS 250 4MATIC 4DR SUV and GLB CLASS 4DR SUV. 2026 is the busiest model year in the record with 2 separate measured configurations, which is why a single quoted overall length figure for that year is rarely the one that matches the car in front of you. Match the row to the exact drivetrain, body style and engine on the window sticker or VIN before relying on the number, and use the comparison links below to see how those same configurations line up against rival models.

Where these Mercedes-Benz GLB-Class figures come from

Every value on this page is loaded from federal open data — EPA fuel economy submissions, NHTSA vehicle and crash-test records, and manufacturer specification filings — rather than dealer listings or copied editorial content. The Mercedes-Benz GLB-Class record refreshes as the agencies publish, which typically means new model-year rows appear in the autumn and crash-test results follow through the model year as vehicles are tested. Because certification data is filed per configuration, treat any single headline number for this vehicle with caution: the figure that applies to a specific car depends on its engine, drivetrain, body style and model year, all of which are listed separately above. If a number here disagrees with a brochure, the brochure is usually quoting the best available configuration rather than the one being sold.

Will the Mercedes-Benz GLB-Class fit your garage and parking space?

Measured against a standard single garage door (8 ft wide, 7 ft tall, 20 ft deep stall) and a standard US surface parking space (9 ft x 18 ft). Measure your own opening before buying — older garages are frequently narrower.

Garage door width

Fits

72 in wide (body only, mirrors folded) — about 24 in of total clearance, so roughly 12 in per side.

Garage door height

Clears

66.5 in tall — 17.5 in of headroom before roof rails, antennas, or a roof box are added.

Parking space

Fits a standard stall

182.3 in long leaves 33.7 in to spare in an 18 ft space, and 36 in of side clearance in a 9 ft one.

Its wheelbase (111.4 in) accounts for about 61% of overall length. A higher share generally means shorter overhangs — better approach and departure clearance on driveways and ramps, and more cabin space for the same parking footprint.

Want to see it against another vehicle at the same scale? Open the car size comparison tool or check the Mercedes-Benz GLB-Class curb weight to pair footprint with mass.

Frequently Asked Questions About GLB-Class Dimensions

How long is the Mercedes-Benz GLB-Class?

The Mercedes-Benz GLB-Class is 182.283 inches long, 72.0472 inches wide and 65.3543 inches tall. That is roughly 15.2 feet — compare it with your garage depth before buying.

Will the Mercedes-Benz GLB-Class fit in a standard garage?

A standard single-car garage is about 20 feet (240 in) deep and 10 feet (120 in) wide. At 182.283 in long and 72.0472 in wide, the Mercedes-Benz GLB-Class fits with 58 in of room to spare front-to-back. Remember to allow for mirrors and door swing.

How much does the Mercedes-Benz GLB-Class weigh?

Curb weight for the Mercedes-Benz GLB-Class is about 3,869 lbs. Curb weight excludes passengers and cargo, so add roughly 150 lbs per occupant when calculating payload.