The MBUX 7-inch touchscreen head unit for the Mercedes A-Class W177 was the launch vehicle for the first-generation MBUX system. Features Hey Mercedes voice assistant, AI-based personalisation, wired CarPlay and full navigation. Common replacement for touch failures or screen damage.

1. 1
2. Remove instrument cluster trim panel
3. 2
4. Release head unit from housing (2 slide rails)
5. 3
6. Disconnect LVDS display cable and 2 CAN connectors
7. 4
8. Slide in new head unit
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10. XENTRY: code to VIN, activate regional navigation maps.