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2026 Mercedes-Benz GLB Review

Mercedes compact SUV with 2026 EPA GLB250 ~27–28 mpg combined; AMG GLB35 ~23 mpg combined. Axis scores pending.

2026 · James Calder · published 2026-10-07

2026 Mercedes-Benz GLB

GLB is Mercedes' boxier compact SUV (picked ahead of GLA as first present stub). Trade-offs: AMG GLB35 costs mpg; optional third-row packaging is kid-sized — verify before assuming adult three-row.

What's confirmed (EPA 2026)

From the Mercedes-Benz GLB-Class EPA page:

GLB250: 28 mpg combined (25/33)
GLB250 4matic: 27 mpg combined (24/33)
AMG GLB35 4matic: 23 mpg combined (21/27)

Premium gasoline on listed rows.

Practical notes

GLB250 RWD leads efficiency. Cross-shop X1, GLA, Q3, and NX.

Safety

Score pending pending IIHS/NHTSA 2026 GLB matrix fetch.

Method

See [How we score](/method).

Sources

EPA — Gas Mileage of 2026 Mercedes-Benz GLB-Class — https://www.fueleconomy.gov/feg/bymodel/2026Mercedes-BenzGLB-Class.shtml (fetched 2026-10-06)
Mercedes-Benz — GLB — https://www.mbusa.com/en/vehicles/class/glb/suv (OEM)

Related: Rankings · Mercedes-Benz