2025 Mercedes-Benz A-Class Problems: 1 Issues Every Owner Should Know
2025 model year · 1,500+ owner reports · Updated April 2026
According to Au7o's analysis of 1,500+ owner reports, the 2025 Mercedes-Benz A-Class has 1 documented known issues. No issues are rated critical, indicating generally reliable ownership. The most commonly reported issue is MBUX Infotainment Software Bugs with 1,500 owner reports. Across all issues, repair costs range from $0 to $500. DIY maintenance guides at au7o.io.
All 1 Known Issues
On the 2019-2025 Mercedes-Benz A-Class, the MBUX infotainment system suffers from frequent software bugs including touchscreen lag, voice assistant failures ("Hey Mercedes" not responding), Bluetooth disconnects, and navigation freezes. The A-Class was the first Mercedes model with MBUX and received early software that was less polished.
Common Symptoms
- Touchscreen lags or becomes unresponsive
- Hey Mercedes voice assistant does not respond
How to Fix
Visit a Mercedes dealer for the latest MBUX over-the-air update. Factory reset the MBUX system (Settings > System > Reset). Re-pair all Bluetooth devices from scratch after the update.
What Owners Are Using
Parts and tips from 1,500+ owners who fixed this issue
- TipCheck for MBUX updates quarterly. Mercedes pushes silent OTA updates but they sometimes require a dealer visit to install major version changes.