2021 Mercedes-Benz GLB-Class Specs, MPG & Trims

EPA fuel-economy data and specifications for the 2021 Mercedes-Benz GLB-Class (23–26 MPG combined) across 3 listed configurations.

Overview

Body class
Special Purpose Vehicle 2WD, Small Sport Utility Vehicle 4WD, Midsize Station Wagons
Drive
Front-Wheel Drive, 4-Wheel Drive
Engine
4-cyl, 2.0 L
Fuel type
Premium Gasoline
Combined MPG
23–26 MPG
Annual fuel cost
$3,150–$3,550
Configurations
3

MPG & fuel economy

City, highway and combined values below are EPA estimates. Where a powertrain has several configurations, the table shows the lowest–highest reported value. Electric configurations use MPGe.

EPA city, highway and combined ratings by powertrain for the 2021 Mercedes-Benz GLB-Class. Electric configurations are rated in MPGe.
PowertrainCityHighwayCombinedAnnual fuel costCO2
4-cyl 2.0 L · Premium Gasoline · 4-Wheel Drive21–2326–3023–26$3,150–$3,550347–381 g/mi
4-cyl 2.0 L · Premium Gasoline · Front-Wheel Drive233126$3,150337 g/mi

Configurations & engine comparison

Each row is one configuration/engine combination reported by the EPA for this model year. Missing EPA values are shown as —.

Every EPA-listed configuration for the 2021 Mercedes-Benz GLB-Class (3 rows). "Configuration" is the EPA configuration/engine name.
Configuration / engineDriveTransmissionCyl.Displ. (L)Fuel typeCityHwyComb.Annual cost
AMG GLB35 4matic4-Wheel DriveAutomatic (AM8)42.0Premium Gasoline212623$3,550
GLB250Front-Wheel DriveAutomatic (AM8)42.0Premium Gasoline233126$3,150
GLB250 4matic4-Wheel DriveAutomatic (AM8)42.0Premium Gasoline233026$3,150

Frequently asked questions

What is the combined MPG of the 2021 Mercedes-Benz GLB-Class?

According to EPA data, the 2021 Mercedes-Benz GLB-Class is rated at 23–26 MPG combined for its conventional-fuel configurations.

How many cylinders does the 2021 Mercedes-Benz GLB-Class have?

The EPA data lists 4 cylinders for this vehicle.

What fuel type does the 2021 Mercedes-Benz GLB-Class use?

It uses Premium Gasoline.

What is the annual fuel cost of the 2021 Mercedes-Benz GLB-Class?

The EPA estimates annual fuel costs ranging from $3,150 to $3,550.