[8] The GLB uses the same front-wheel-drive MFA2 platform as the W177 A-Class and the H247 GLA, but the wheelbase is 10 cm (3.9 in) longer to give it extra practicality.

[7] Mechanically, it has standard all-wheel-drive and an eight-speed dual clutch automatic transmission,[9] and shares its engine lineup with the A-Class.

The model adopts a square, angular style inspired by the larger X167 GLS and the former boxy shaped X204 GLK-Class.

It received an updated variant of the MBUX infotainment system and supports wireless Apple CarPlay and Android Auto.

[18] It is available with 4-cylinder petrol and diesel engines only, while a plug-in hybrid and a fully electric version, called the EQB, was unveiled in April 2021.