In 2023 for the 2024 model year, Mercedes implemented a facelift for the GLB, which included primarily new headlights and taillights. It received an updated variant of the MBUX infotainment system and supports wireless Apple CarPlay and Android Auto. A new colour, known as "Spectral Blue Metallic", as well as eighteen and twenty-inch wheels, are available.[17] The car also has a new 48 volt mild hybrid system named the EQ Boost engine.