The 2020 Mercedes-Benz GLB-Class hides a secret. As its name suggests, the 2020 GLB slots alphabetically in the Mercedes lineup between the GLA and the GLC. But, the GLB offers a third row of seats that opens it up to seven passengers—its bigger and smaller siblings have room for just five.
We give it a 6.8 out of 10, before crash-test results are factored in. (Read more about how we rate cars.)
With the GLB 250, Mercedes has its first small three-row crossover SUV. At about 182 inches long and 72 inches wide, however, the GLB is sized like the original Mercedes M-Class of the late 1990s, which could also be had with a third row. The new GLB crossover does people and cargo just as well: It can carry up to seven passengers, though four adults will be more comfortable, and can carry up to 62 cubic feet of cargo with the rear seats folded down.
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The GLB will…