It's the fourth of a 5-model rollout in the series, and will have as an option the new generation of the 4MATIC permanent AWD system with fully variable torque distribution.
German customers will get deliveries of their GLAs in March of next year, and they can order now at a starting price of €29,303.
Engines at launch include 115/156/211hp petrols and 136/170hp diesels.
